Now offer period OUR API HAS BEEN EXPANDED

Black Friday week: Get our API at a special price. Get it now. Get more detailed color conversion results - perfect for web projects, plugins, internal tools or SaaS applications. Valid from 2025-11-24 up to and including 2025-11-30 (23:59 CET)

API packages & prices X

Information

close all

Complementary means first and foremost complementary. With color tones there is always a direct complementary color that is exactly opposite to the other.

With this color tone RGBA 18 23 113 0.75 it is the complementary color RGBA 237 232 142 0.75. Both colors form the strongest contrast to each other and are especially recommended for use in direct connection with each other.

If you display a text with its complementary color on a background with the displayed color, you will get a representation that is pleasant to the eyes and clearly too indistinguishable from each other. However, this is especially true for white, black and gray tones. With these, the contrasting colors are particularly natural, pleasant and common for our eyes.

Exposures are based on the same hue and represent lighter versions of the current color RGBA 18 23 113 0.75. Besides the border colors white and black, almost all colors have lighter versions that can be used optimally in web design

The following lighter shades match the RGBA 18 23 113 0.75 shade: RGBA 23 23 108 0.75, RGBA 40 41 127 0.75, RGBA 57 59 146 0.75, RGBA 74 77 165 0.75 and RGBA 91 95 184 0.75

You can use them to modify buttons with mouse-over effects (called :hover in CSS) or to generate other color gradations like gradients.

Shades are based on the same hue and represent a darker version of the current color RGBA 18 23 113 0.75. In addition to the border colors white and black, almost all colors have shades that can be used optimally in web design.

The following darker shades match the RGBA 18 23 113 0.75 shade: RGBA 18 23 113 0.75, RGBA 1 5 94 0.75, RGBA 0 0 75 0.75, RGBA 0 0 56 0.75 and RGBA 0 0 37 0.75

Among other things, you can use them to modify buttons with mouse-over effects (called :hover in CSS) or generate other color gradations.

Warmer colors are created when the hue is shifted towards red, orange and yellow. These colors convey warmth, energy and an inviting atmosphere.

The following warmer shades match the RGBA 18 23 113 0.75 shade: RGB 18 23 115, RGB 39 18 115, RGB 65 18 115, RGB 91 18 115 and RGB 115 18 112

They are stimulating and dynamic and are often used to attract attention or create a friendly and lively mood. An example of this transition is a shift from a cool blue through purple to red and orange.

Colder colors are created by shifting the hue towards green, blue and violet.

The following colder shades match the RGBA 18 23 113 0.75 shade: RGB 18 23 115 and RGB 18 18 115

These colors have a cool, calming effect and create distance. They are often used to convey a sense of calm, freshness and stability. A classic example of this color range is a gradient from yellow to green to a deep blue or violet, reminiscent of water and sky.

Richer colors are created by increasing the saturation, which makes the colors appear more intense, brighter and stronger. A color with high saturation is more eye-catching and appears more vibrant and powerful. This effect can be used to emphasize important elements or to create a vibrant design.

The RGBA 18 23 113 0.75 shade matches the following richer shades: RGB 18 23 115 and RGB 7 13 125

An example is the development from a pale pink to a strong and bright red.

Less saturated colors are created by reducing the saturation, which makes the colors more muted, subtle and pastel-like. As the saturation is reduced further, they become closer and closer to a shade of gray. These colors appear calmer and more elegant and are suitable for a restrained and harmonious design.

The following paler shades match the RGBA 18 23 113 0.75 shade: RGB 18 23 115, RGB 29 33 104, RGB 39 42 93, RGB 50 52 83 and RGB 61 61 72

An example is the change of a strong blue to a subdued grey-blue or almost neutral shade.

The analog color scheme uses colors that are directly adjacent to each other in the color wheel. They usually fit together well and result in a calm and comfortable design.

The following analogous shades match the RGBA 18 23 113 0.75 shade: RGB 18 76 115, RGB 18 50 115, RGB 18 24 115, RGB 37 18 115 and RGB 63 18 115

Analog color schemes are often found in nature. They are harmonious and pleasant to the eye. It is important that they have enough contrast. Choose one color to dominate and a second to support. The third color is used (together with black, white or grey) as an accent

The monochromatic color scheme uses colors that are on the same wavelength. They usually fit together very well and result in a pleasant and evenly colored design.

The following monochrome shades match the RGBA 18 23 113 0.75 shade: RGB 7 9 43, RGB 12 16 79, RGB 18 23 115, RGB 23 30 150 and RGB 29 37 186

Monochromatic color schemes are often found in nature. They are harmonious and calm to the eye

The partial complementary color scheme is a variation of the complementary color scheme. In addition to the base color, the two colors adjacent to the complement are used.

The following split-complementary shades match the RGBA 18 23 113 0.75 shade: RGB 18 23 113, RGB 115 18 102 and RGB 63 115 18

This color scheme has the same strong visual contrast as the complementary color scheme, but is not as contrasting as the direct complementary color. The partial complementary color scheme is a good choice for designs. These colors usually complement each other very well.

A triadic color scheme uses colors evenly spaced around the color wheel. Triadic color harmonies are usually quite vivid, even if pale or unsaturated colors are used.

The following triaden shades match the RGBA 18 23 113 0.75 shade: RGB 18 23 113, RGB 115 18 24 and RGB 24 115 18

The colors should be well chosen to achieve triadic harmony. Let one color dominate and use the other two as accent colors.

The rectangular or tetradish color scheme uses four colors arranged in two complementary pairs. This rich color scheme offers many variation possibilities.

The following tetraden shades match the RGBA 18 23 113 0.75 shade: RGB 18 23 113, RGB 115 18 102, RGB 115 108 18 and RGB 18 115 31

It works best if you let one of these colors dominate. You should also pay attention to the balance between warm and cold colors in the design

The square color scheme is similar to the rectangular color scheme, with all four colors evenly distributed around the color circle. The square color scheme works best when one color dominates.

The following squaren shades match the RGBA 18 23 113 0.75 shade: RGB 18 23 113, RGB 115 18 73, RGB 115 108 18 and RGB 18 115 60

Again, pay attention to the balance between warm and cold colors in the design.

Note

Colors are displayed differently on each device. Please note that the colors do not always match 100%. Differences can occur when real colors are processed. We recommend a comparison of the real colors. We do not assume any liability.

Display options

Primary color

CMYK 63 / 60 / 0 / 42

HEX #121771BF

RGBA 18 23 113 0.75

HSLA 236.84, 0.73%, 0.26%, 0.75

LABA 15.14, 32.72, -51.44, 0.75

 

Complementary color

CMYK 0 / 2 / 30 / 5

HEX #EDE88EBF

RGBA 237 232 142 0.75

HSLA 56.84, 0.73%, 0.74%, 0.75

LABA 90.63, -10.97, 44.32, 0.75

 

CMYK 59 / 59 / 0 / 43

HEX #17176CBF

RGBA 23 23 108 0.75

HSLA 240, 0.65%, 0.26%, 0.75

LABA 14.83, 31.31, -48.67, 0.75

 

CMYK 51 / 51 / 0 / 38

HEX #28297FBF

RGBA 40 41 127 0.75

HSLA 239.31, 0.52%, 0.33%, 0.75

LABA 22.19, 28.75, -48.74, 0.75

 

CMYK 46 / 45 / 0 / 32

HEX #393B92BF

RGBA 57 59 146 0.75

HSLA 238.65, 0.44%, 0.4%, 0.75

LABA 29.6, 26.53, -48.45, 0.75

 

CMYK 41 / 40 / 0 / 26

HEX #4A4DA5BF

RGBA 74 77 165 0.75

HSLA 238.02, 0.38%, 0.47%, 0.75

LABA 36.89, 24.71, -48.09, 0.75

 

CMYK 38 / 36 / 0 / 21

HEX #5B5FB8BF

RGBA 91 95 184 0.75

HSLA 237.42, 0.4%, 0.54%, 0.75

LABA 44.04, 23.22, -47.76, 0.75

 

CMYK 63 / 60 / 0 / 42

HEX #121771BF

RGBA 18 23 113 0.75

HSLA 236.84, 0.73%, 0.26%, 0.75

LABA 15.14, 32.72, -51.44, 0.75

 

CMYK 74 / 71 / 0 / 47

HEX #01055EBF

RGBA 1 5 94 0.75

HSLA 237.42, 0.98%, 0.19%, 0.75

LABA 8.33, 35.13, -50.22, 0.75

 

CMYK 75 / 75 / 0 / 53

HEX #00004BBF

RGBA 0 0 75 0.75

HSLA 240, 1%, 0.15%, 0.75

LABA 4.59, 29.9, -43.41, 0.75

 

CMYK 75 / 75 / 0 / 59

HEX #000038BF

RGBA 0 0 56 0.75

HSLA 240, 1%, 0.11%, 0.75

LABA 2.58, 18.12, -33.09, 0.75

 

CMYK 75 / 75 / 0 / 64

HEX #000025BF

RGBA 0 0 37 0.75

HSLA 240, 1%, 0.07%, 0.75

LABA 1.21, 8.48, -20.89, 0.75

 

CMYK 84 / 80 / 0 / 55

HEX #121773

RGB 18 23 115

HSL 236.91, 0.73%, 0.26%

LAB 15.38, 33.45, -52.33

 

CMYK 66 / 84 / 0 / 55

HEX #271273

RGB 39 18 115

HSL 252.99, 0.73%, 0.26%

LAB 16.01, 38.05, -51.23

 

CMYK 43 / 84 / 0 / 55

HEX #411273

RGB 65 18 115

HSL 269.07, 0.73%, 0.26%

LAB 19.2, 41.56, -45.87

 

CMYK 21 / 84 / 0 / 55

HEX #5B1273

RGB 91 18 115

HSL 285.15, 0.73%, 0.26%

LAB 23.32, 46.16, -38.98

 

CMYK 0 / 84 / 3 / 55

HEX #731270

RGB 115 18 112

HSL 301.86, 0.73%, 0.26%

LAB 27.43, 50.5, -30.23

 

CMYK 84 / 80 / 0 / 55

HEX #121773

RGB 18 23 115

HSL 236.91, 0.73%, 0.26%

LAB 15.38, 33.45, -52.33

 

CMYK 84 / 84 / 0 / 55

HEX #121273

RGB 18 18 115

HSL 240, 0.73%, 0.26%

LAB 14.4, 36.28, -53.96

 

CMYK 84 / 80 / 0 / 55

HEX #121773

RGB 18 23 115

HSL 236.91, 0.73%, 0.26%

LAB 15.38, 33.45, -52.33

 

CMYK 94 / 90 / 0 / 51

HEX #070D7D

RGB 7 13 125

HSL 236.95, 0.89%, 0.26%

LAB 14.48, 41.58, -60.27

 

CMYK 84 / 80 / 0 / 55

HEX #121773

RGB 18 23 115

HSL 236.91, 0.73%, 0.26%

LAB 15.38, 33.45, -52.33

 

CMYK 72 / 68 / 0 / 59

HEX #1D2168

RGB 29 33 104

HSL 236.8, 0.56%, 0.26%

LAB 17.22, 23.94, -42.12

 

CMYK 58 / 55 / 0 / 64

HEX #272A5D

RGB 39 42 93

HSL 236.67, 0.41%, 0.26%

LAB 19.55, 15.32, -31.06

 

CMYK 40 / 37 / 0 / 67

HEX #323453

RGB 50 52 83

HSL 236.36, 0.25%, 0.26%

LAB 22.86, 7.94, -19.12

 

CMYK 15 / 15 / 0 / 72

HEX #3D3D48

RGB 61 61 72

HSL 240, 0.08%, 0.26%

LAB 26.15, 2.66, -6.7

 

CMYK 84 / 34 / 0 / 55

HEX #124C73

RGB 18 76 115

HSL 204.12, 0.73%, 0.26%

LAB 30.72, -3.11, -27.49

 

CMYK 84 / 57 / 0 / 55

HEX #123273

RGB 18 50 115

HSL 220.21, 0.73%, 0.26%

LAB 22.47, 14.85, -40.7

 

CMYK 84 / 79 / 0 / 55

HEX #121873

RGB 18 24 115

HSL 236.29, 0.73%, 0.26%

LAB 15.59, 32.84, -51.98

 

CMYK 68 / 84 / 0 / 55

HEX #251273

RGB 37 18 115

HSL 251.75, 0.73%, 0.26%

LAB 15.82, 37.83, -51.56

 

CMYK 45 / 84 / 0 / 55

HEX #3F1273

RGB 63 18 115

HSL 267.84, 0.73%, 0.26%

LAB 18.92, 41.25, -46.35

 

CMYK 84 / 79 / 0 / 83

HEX #07092B

RGB 7 9 43

HSL 236.67, 0.72%, 0.1%

LAB 3.75, 9.3, -21.5

 

CMYK 85 / 80 / 0 / 69

HEX #0C104F

RGB 12 16 79

HSL 236.42, 0.74%, 0.18%

LAB 9.1, 23.79, -38.71

 

CMYK 84 / 80 / 0 / 55

HEX #121773

RGB 18 23 115

HSL 236.91, 0.73%, 0.26%

LAB 15.38, 33.45, -52.33

 

CMYK 85 / 80 / 0 / 41

HEX #171E96

RGB 23 30 150

HSL 236.69, 0.73%, 0.34%

LAB 21.26, 42.01, -64.68

 

CMYK 84 / 80 / 0 / 27

HEX #1D25BA

RGB 29 37 186

HSL 236.94, 0.73%, 0.42%

LAB 27.1, 50.51, -76.75

 

CMYK 84 / 80 / 0 / 56

HEX #121771

RGB 18 23 113

HSL 236.84, 0.73%, 0.26%

LAB 15.14, 32.72, -51.44

 

CMYK 0 / 84 / 11 / 55

HEX #731266

RGB 115 18 102

HSL 308.04, 0.73%, 0.26%

LAB 26.84, 48.88, -24.7

 

CMYK 45 / 0 / 84 / 55

HEX #3F7312

RGB 63 115 18

HSL 92.16, 0.73%, 0.26%

LAB 43.3, -33.88, 43.82

 

CMYK 84 / 80 / 0 / 56

HEX #121771

RGB 18 23 113

HSL 236.84, 0.73%, 0.26%

LAB 15.14, 32.72, -51.44

 

CMYK 0 / 84 / 79 / 55

HEX #731218

RGB 115 18 24

HSL 356.29, 0.73%, 0.26%

LAB 24.14, 40.98, 23.84

 

CMYK 79 / 0 / 84 / 55

HEX #187312

RGB 24 115 18

HSL 116.29, 0.73%, 0.26%

LAB 42, -44.31, 42.14

 

CMYK 84 / 80 / 0 / 56

HEX #121771

RGB 18 23 113

HSL 236.84, 0.73%, 0.26%

LAB 15.14, 32.72, -51.44

 

CMYK 0 / 84 / 11 / 55

HEX #731266

RGB 115 18 102

HSL 308.04, 0.73%, 0.26%

LAB 26.84, 48.88, -24.7

 

CMYK 0 / 6 / 84 / 55

HEX #736C12

RGB 115 108 18

HSL 55.67, 0.73%, 0.26%

LAB 44.82, -7.6, 46.59

 

CMYK 84 / 0 / 73 / 55

HEX #12731F

RGB 18 115 31

HSL 128.04, 0.73%, 0.26%

LAB 41.98, -44.13, 37.25

 

CMYK 84 / 80 / 0 / 56

HEX #121771

RGB 18 23 113

HSL 236.84, 0.73%, 0.26%

LAB 15.14, 32.72, -51.44

 

CMYK 0 / 84 / 37 / 55

HEX #731249

RGB 115 18 73

HSL 325.98, 0.73%, 0.26%

LAB 25.44, 44.89, -7.65

 

CMYK 0 / 6 / 84 / 55

HEX #736C12

RGB 115 108 18

HSL 55.67, 0.73%, 0.26%

LAB 44.82, -7.6, 46.59

 

CMYK 84 / 0 / 48 / 55

HEX #12733C

RGB 18 115 60

HSL 145.98, 0.73%, 0.26%

LAB 42.33, -39.91, 23.01

 

Description

Color code: RGBA 18 23 113 0.75 | qconv.com Color code: RGBA 18 23 113 0.75 | qconv.com - big

Dark color: low color values appear darker.

The breakdown of the color into the RGB color system: of 255 maximum color components, 18 red, 23 green and 113 blue.

The mixing ratio of these colors results in the displayed hue in the middle of the overlaps.

In the illustration you can see how the color is composed of the three components: red (top),green (bottom right) and blue (bottom left). In the middle you can see the result color.
18 23 113 R G B
In the CMYK color system the color is composed as follows: In this color tone, out of 100 maximum color components, 63 cyan, 60 magenta, none yellow and 42 key.

The mixing ratio of these colors results in the displayed hue in the middle of the overlaps.

In the diagram you can see how the color is composed of the four components cyan (top left),magenta (top right),yellow (bottom right) and black or key (bottom left). In the middle you can see the result color.
63% 60% 0% 42% C M Y K

Verification of their color palette as a manufacturer!

Provide designers and agencies with accurate color values.

Let's go
Show gradients

Popular conversions

RGB to HEX

convert from RGB red green blue to #RRGGBB

RGB to CMYK

convert from RGB red green blue to CMYK cyan / magenta / yellow / black

Icons

RGB to RAL®

convert from RGB red green blue to RAL®-number (RAL 0000)

RGB to HKS®

convert from RGB red green blue to HKS®-number (HKS 00)

RGB to PANTONE®

convert from RGB red green blue to Pantone®-number (Pantone 0000)

RGB to Sherwin Williams®

convert from RGB red green blue to Sherwin Williams®-number (SW 0000)

RGB to NCS®

convert from RGB red green blue to NCS-number (S0000-X00X)

nsc-logo

RGBA to HEX

convert from RGBA red green blue transparency to #RRGGBB

RGBA to CMYK

convert from RGBA red green blue transparency to CMYK cyan / magenta / yellow / black

Icons

RGBA to RAL®

convert from RGBA red green blue transparency to RAL®-number (RAL 0000)

RGBA to HKS®

convert from RGBA red green blue transparency to HKS®-number (HKS 00)

RGBA to PANTONE®

convert from RGBA red green blue transparency to Pantone®-number (Pantone 0000)

RGBA to Sherwin Williams®

convert from RGBA red green blue transparency to Sherwin Williams®-number (SW 0000)

RGBA to NCS®

convert from RGBA red green blue transparency to NCS-number (S0000-X00X)

nsc-logo

CMYK to HEX

convert from CMYK cyan / magenta / yellow / black to #RRGGBB

CMYK to RGB

convert from CMYK cyan / magenta / yellow / black to RGB red green blue

CMYK to RGBA

convert from CMYK cyan / magenta / yellow / black to RGBA red green blue transparency

CMYK to RAL®

convert from CMYK cyan / magenta / yellow / black to RAL®-number (RAL 0000)

CMYK to HKS®

convert from CMYK cyan / magenta / yellow / black to HKS®-number (HKS 00)

CMYK to PANTONE®

convert from CMYK cyan / magenta / yellow / black to Pantone®-number (Pantone 0000)

CMYK to Sherwin Williams®

convert from CMYK cyan / magenta / yellow / black to Sherwin Williams®-number (SW 0000)

CMYK to NCS®

convert from CMYK cyan / magenta / yellow / black to NCS-number (S0000-X00X)

nsc-logo

HEX to RGB

convert from #RRGGBB to RGB red green blue

HEX to RGBA

convert from #RRGGBB to RGBA red green blue transparency

HEX to CMYK

convert from #RRGGBB to CMYK cyan / magenta / yellow / black

Icons

HEX to RAL®

convert from #RRGGBB to RAL®-number (RAL 0000)

HEX to HKS®

convert from #RRGGBB to HKS®-number (HKS 00)

HEX to PANTONE®

convert from #RRGGBB to Pantone®-number (Pantone 0000)

HEX to Sherwin Williams®

convert from #RRGGBB to Sherwin Williams®-number (SW 0000)

HEX to NCS®

convert from #RRGGBB to NCS-number (S0000-X00X)

nsc-logo

RAL® to RGB

convert from RAL®-number (RAL 0000) to RGB red green blue

RAL® to RGBA

convert from RAL®-number (RAL 0000) to RGBA red green blue transparency

RAL® to CMYK

convert from RAL®-number (RAL 0000) to CMYK cyan / magenta / yellow / black

Icons

RAL® to HEX

convert from RAL®-number (RAL 0000) to #RRGGBB

RAL® to HKS®

convert from RAL®-number (RAL 0000) to HKS®-number (HKS 00)

RAL® to PANTONE®

convert from RAL®-number (RAL 0000) to Pantone®-number (Pantone 0000)

RAL® to Sherwin Williams®

convert from RAL®-number (RAL 0000) to Sherwin Williams®-number (SW 0000)

RAL® to NCS®

convert from RAL®-number (RAL 0000) to NCS-number (S0000-X00X)

nsc-logo

HKS® to RGB

convert from HKS®-number (HKS 00) to RGB red green blue

HKS® to RGBA

convert from HKS®-number (HKS 00) to RGBA red green blue transparency

HKS® to CMYK

convert from HKS®-number (HKS 00) to CMYK cyan / magenta / yellow / black

Icons

HKS® to HEX

convert from HKS®-number (HKS 00) to #RRGGBB

HKS® to RAL®

convert from HKS®-number (HKS 00) to RAL®-number (RAL 0000)

HKS® to PANTONE®

convert from HKS®-number (HKS 00) to Pantone®-number (Pantone 0000)

HKS® to Sherwin Williams®

convert from HKS®-number (HKS 00) to Sherwin Williams®-number (SW 0000)

HKS® to NCS®

convert from HKS®-number (HKS 00) to NCS-number (S0000-X00X)

nsc-logo

PANTONE® to RGB

convert from Pantone®-number (Pantone 0000) to RGB red green blue

PANTONE® to RGBA

convert from Pantone®-number (Pantone 0000) to RGBA red green blue transparency

PANTONE® to CMYK

convert from Pantone®-number (Pantone 0000) to CMYK cyan / magenta / yellow / black

Icons

PANTONE® to HEX

convert from Pantone®-number (Pantone 0000) to #RRGGBB

PANTONE® to RAL®

convert from Pantone®-number (Pantone 0000) to RAL®-number (RAL 0000)

PANTONE® to HKS®

convert from Pantone®-number (Pantone 0000) to HKS®-number (HKS 00)

PANTONE® to Sherwin Williams®

convert from Pantone®-number (Pantone 0000) to Sherwin Williams®-number (SW 0000)

PANTONE® to NCS®

convert from Pantone®-number (Pantone 0000) to NCS-number (S0000-X00X)

nsc-logo

Sherwin Williams® to RGB

convert from Sherwin Williams®-number (SW 0000) to RGB red green blue

Sherwin Williams® to RGBA

convert from Sherwin Williams®-number (SW 0000) to RGBA red green blue transparency

Sherwin Williams® to CMYK

convert from Sherwin Williams®-number (SW 0000) to CMYK cyan / magenta / yellow / black

Icons

Sherwin Williams® to HEX

convert from Sherwin Williams®-number (SW 0000) to #RRGGBB

Sherwin Williams® to RAL®

convert from Sherwin Williams®-number (SW 0000) to RAL®-number (RAL 0000)

Sherwin Williams® to HKS®

convert from Sherwin Williams®-number (SW 0000) to HKS®-number (HKS 00)

Sherwin Williams® to PANTONE®

convert from Sherwin Williams®-number (SW 0000) to Pantone®-number (Pantone 0000)

To be able to save color palettes, a registration is required.

Log in to your account

or

Create an account

Current color palette Share
Should it be public or private?
Link(s) will follow after sharing.

Cancel Share

Color palette shared
Please copy and save the desired link.

Share

OK, I have copied the links

Your colors will be saved in a new color palette.
View them under your profile.
You can customize them further, and share them.

Show color palette
Close

Create a color palette

DownloadDownload in different formats

Remove All

By clicking on you can create palettes and download the color swatches.