Now offer period OUR API HAS BEEN EXPANDED

New API V3.0: 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 2025-10-21 up to and including 2025-11-21 (23:59 CET)

API packages & prices X

CSS Gradients:
CMYK 60 / 42 / 0 / 23

Information

close all

Let CSS suggest color gradients from two hues such as the base hue and the complementary color.

Find examples of linear and radial color transitions.

Easy for web design: Copy the CSS code for easy integration on your website.

Let CSS suggest color gradients from two hues such as the base hue and a lighter hue.

Find examples of linear and radial color transitions from Lighter colors.

Simple for web design: copy the CSS code for easy integration on your website.

Let CSS suggest color gradients from two hues such as the base hue and a darker hue.

Find examples of linear and radial color transitions from Darker colors.

Simple for web design: copy the CSS code for easy integration on your website.

Display options

Description

Bright color: high color values create a bright impression.

The breakdown of the color into the RGB color system: of 255 maximum color components, 79 red, 114 green and 196 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.
79 114 196 R G B
In the CMYK color system the color is composed as follows: In this color tone, out of 100 maximum color components, 60 cyan, 42 magenta, none yellow and 23 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.
60% 42% 0% 23% C M Y K

Verification of their color palette as a manufacturer!

Provide designers and agencies with accurate color values.

Let's go

Lineal

HEX #4F72C4 to HEX #B08D3B


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 3%, #B08D3B 88%);

Radial

HEX #4F72C4 to HEX #B08D3B


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 12%, #B08D3B 89%);

 

HEX #B08D3B to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #B08D3B 5%, #4F72C4 96%);

 

HEX #B08D3B to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #B08D3B 6%, #4F72C4 96%);

Lineal

HEX #4F72C4 to HEX #4F92C4


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 0%, #4F92C4 90%);

Radial

HEX #4F72C4 to HEX #4F92C4


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 10%, #4F92C4 94%);

 

HEX #4F92C4 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #4F92C4 4%, #4F72C4 97%);

 

HEX #4F92C4 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #4F92C4 3%, #4F72C4 87%);

 

HEX #4F72C4 to HEX #4F53C4


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 10%, #4F53C4 100%);

 

HEX #4F72C4 to HEX #4F53C4


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 6%, #4F53C4 86%);

 

HEX #4F53C4 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #4F53C4 11%, #4F72C4 87%);

 

HEX #4F53C4 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #4F53C4 7%, #4F72C4 99%);

 

HEX #4F72C4 to HEX #6A4FC4


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 0%, #6A4FC4 97%);

 

HEX #4F72C4 to HEX #6A4FC4


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 11%, #6A4FC4 97%);

 

HEX #6A4FC4 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #6A4FC4 14%, #4F72C4 94%);

 

HEX #6A4FC4 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #6A4FC4 9%, #4F72C4 87%);

Lineal

HEX #4F72C4 to HEX #3B5EB0


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 14%, #3B5EB0 95%);

Radial

HEX #4F72C4 to HEX #3B5EB0


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 11%, #3B5EB0 91%);

 

HEX #3B5EB0 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #3B5EB0 3%, #4F72C4 93%);

 

HEX #3B5EB0 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #3B5EB0 14%, #4F72C4 94%);

 

HEX #4F72C4 to HEX #6E8BCF


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 11%, #6E8BCF 99%);

 

HEX #4F72C4 to HEX #6E8BCF


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 0%, #6E8BCF 93%);

 

HEX #6E8BCF to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #6E8BCF 8%, #4F72C4 93%);

 

HEX #6E8BCF to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #6E8BCF 5%, #4F72C4 91%);

 

HEX #4F72C4 to HEX #8DA4D9


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 4%, #8DA4D9 90%);

 

HEX #4F72C4 to HEX #8DA4D9


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 8%, #8DA4D9 93%);

 

HEX #8DA4D9 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #8DA4D9 0%, #4F72C4 92%);

 

HEX #8DA4D9 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #8DA4D9 1%, #4F72C4 87%);

Lineal

HEX #4F72C4 to HEX #4F92C4


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 2%, #4F92C4 93%);

Radial

HEX #4F72C4 to HEX #4F92C4


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 6%, #4F92C4 91%);

 

HEX #4F92C4 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #4F92C4 13%, #4F72C4 93%);

 

HEX #4F92C4 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #4F92C4 7%, #4F72C4 88%);

 

HEX #4F72C4 to HEX #4F53C4


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 7%, #4F53C4 98%);

 

HEX #4F72C4 to HEX #4F53C4


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 13%, #4F53C4 94%);

 

HEX #4F53C4 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #4F53C4 6%, #4F72C4 91%);

 

HEX #4F53C4 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #4F53C4 9%, #4F72C4 95%);

 

HEX #4F72C4 to HEX #6A4FC4


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 1%, #6A4FC4 98%);

 

HEX #4F72C4 to HEX #6A4FC4


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 7%, #6A4FC4 95%);

 

HEX #6A4FC4 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #6A4FC4 14%, #4F72C4 99%);

 

HEX #6A4FC4 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #6A4FC4 14%, #4F72C4 94%);

Lineal

HEX #4F72C4 to HEX #3B5EB0


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 2%, #3B5EB0 96%);

Radial

HEX #4F72C4 to HEX #3B5EB0


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 2%, #3B5EB0 92%);

 

HEX #3B5EB0 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #3B5EB0 4%, #4F72C4 96%);

 

HEX #3B5EB0 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #3B5EB0 3%, #4F72C4 94%);

 

HEX #4F72C4 to HEX #6E8BCF


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 3%, #6E8BCF 89%);

 

HEX #4F72C4 to HEX #6E8BCF


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 3%, #6E8BCF 93%);

 

HEX #6E8BCF to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #6E8BCF 11%, #4F72C4 100%);

 

HEX #6E8BCF to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #6E8BCF 4%, #4F72C4 94%);

 

HEX #4F72C4 to HEX #8DA4D9


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 13%, #8DA4D9 87%);

 

HEX #4F72C4 to HEX #8DA4D9


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 6%, #8DA4D9 99%);

 

HEX #8DA4D9 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #8DA4D9 11%, #4F72C4 90%);

 

HEX #8DA4D9 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #8DA4D9 7%, #4F72C4 95%);

Lineal

HEX #4F72C4 to HEX #B94FC4


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 13%, #B94FC4 95%);

Radial

HEX #4F72C4 to HEX #B94FC4


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 10%, #B94FC4 98%);

 

HEX #B94FC4 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #B94FC4 12%, #4F72C4 88%);

 

HEX #B94FC4 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #B94FC4 2%, #4F72C4 95%);

 

HEX #4F72C4 to HEX #A1C44F


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 5%, #A1C44F 93%);

 

HEX #4F72C4 to HEX #A1C44F


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 12%, #A1C44F 89%);

 

HEX #A1C44F to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #A1C44F 7%, #4F72C4 87%);

 

HEX #A1C44F to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #A1C44F 4%, #4F72C4 91%);

Lineal

HEX #4F72C4 to HEX #C44F72


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 9%, #C44F72 97%);

Radial

HEX #4F72C4 to HEX #C44F72


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 10%, #C44F72 96%);

 

HEX #C44F72 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #C44F72 2%, #4F72C4 92%);

 

HEX #C44F72 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #C44F72 9%, #4F72C4 89%);

 

HEX #4F72C4 to HEX #72C44F


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 5%, #72C44F 95%);

 

HEX #4F72C4 to HEX #72C44F


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 11%, #72C44F 96%);

 

HEX #72C44F to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #72C44F 6%, #4F72C4 100%);

 

HEX #72C44F to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #72C44F 4%, #4F72C4 90%);

Lineal

HEX #4F72C4 to HEX #B94FC4


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 10%, #B94FC4 93%);

Radial

HEX #4F72C4 to HEX #B94FC4


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 13%, #B94FC4 99%);

 

HEX #B94FC4 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #B94FC4 1%, #4F72C4 92%);

 

HEX #B94FC4 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #B94FC4 9%, #4F72C4 86%);

 

HEX #4F72C4 to HEX #C4A14F


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 14%, #C4A14F 93%);

 

HEX #4F72C4 to HEX #C4A14F


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 6%, #C4A14F 89%);

 

HEX #C4A14F to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #C4A14F 3%, #4F72C4 94%);

 

HEX #C4A14F to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #C4A14F 10%, #4F72C4 99%);

 

HEX #4F72C4 to HEX #5BC44F


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 3%, #5BC44F 88%);

 

HEX #4F72C4 to HEX #5BC44F


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 0%, #5BC44F 92%);

 

HEX #5BC44F to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #5BC44F 12%, #4F72C4 96%);

 

HEX #5BC44F to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #5BC44F 10%, #4F72C4 86%);

Lineal

HEX #4F72C4 to HEX #C44FAD


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 6%, #C44FAD 97%);

Radial

HEX #4F72C4 to HEX #C44FAD


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 6%, #C44FAD 96%);

 

HEX #C44FAD to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #C44FAD 14%, #4F72C4 94%);

 

HEX #C44FAD to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #C44FAD 12%, #4F72C4 86%);

 

HEX #4F72C4 to HEX #C4A14F


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 7%, #C4A14F 96%);

 

HEX #4F72C4 to HEX #C4A14F


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 6%, #C4A14F 95%);

 

HEX #C4A14F to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #C4A14F 1%, #4F72C4 100%);

 

HEX #C4A14F to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #C4A14F 1%, #4F72C4 89%);

 

HEX #4F72C4 to HEX #4FC467


CSS-Code:

background-image: linear-gradient(135deg, #4F72C4 5%, #4FC467 93%);

 

HEX #4F72C4 to HEX #4FC467


CSS-Code:

background-image: radial-gradient(circle, #4F72C4 14%, #4FC467 91%);

 

HEX #4FC467 to HEX #4F72C4


CSS-Code:

background-image: linear-gradient(135deg, #4FC467 2%, #4F72C4 88%);

 

HEX #4FC467 to HEX #4F72C4


CSS-Code:

background-image: radial-gradient(circle, #4FC467 0%, #4F72C4 89%);

Show more color palettes

Services

Colors

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
Icons

CMYK to HEX

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

CMYK to RGB

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

CMYK to RGBA

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

CMYK to RAL®

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

CMYK to HKS®

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

CMYK to PANTONE®

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

CMYK to Sherwin Williams®

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

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)

Sherwin Williams® to NCS®

convert from Sherwin Williams®-number (SW 0000) to NCS-number (S0000-X00X)

nsc-logo
nsc-logo

NCS® to RGB

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

NCS® to RGBA

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

NCS® to CMYK

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

Icons
nsc-logo

NCS® to HEX

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

NCS® to RAL®

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

NCS® to HKS®

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

NCS® to PANTONE®

convert from NCS-number (S0000-X00X) 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.

© 2019-2025 - Designed by frag-bobby.de