Colour converter (HEX, RGB, HSL, CMYK)

Convert a colour code for CSS, design apps or print, and check whether text in that colour is readable.

No uploadInstant & freeWorks offline

Colour (HEX, RGB or HSL)

HEX#4F46E5

RGBrgb(79, 70, 229)

HSLhsl(243, 75%, 59%)

CMYKcmyk(66%, 69%, 0%, 10%)

Contrast on white

6.29 · AA

Contrast on black

3.34 · AA large text

How to use the Colour converter (HEX, RGB, HSL, CMYK)

Is the CMYK value exact for printing?

It is a mathematical conversion. Real print colours depend on the printer profile, so ask your printer for exact values for important brand colours.

Is my data sent anywhere?

No. Everything is calculated in your browser on your own device — nothing you type or upload is sent to a server.