Convert CMYK (Cyan, Magenta, Yellow, Key) print colour values to RGB and HEX.
Type or paste your colour value into the input field, or use the visual picker. Try the sample buttons for quick examples.
All output fields update instantly as you type. A colour preview swatch also updates in real time.
Click any Copy button to copy that specific value straight to your clipboard — ready to paste into your CSS, design tool or code.
Yes. All colour conversions happen entirely in your browser using JavaScript. No data is ever sent to a server.
Yes. All maths follows the official sRGB colour space formulas defined by the W3C and ICC. Rounding is done to standard precision.
CMYK stands for Cyan, Magenta, Yellow and Key (Black). It is the colour model used in colour printing. Each value is a percentage from 0% to 100%.
CMYK is a subtractive colour model for print while RGB is additive for screens. The conversion is an approximation — physical print colours depend on paper stock, ink type and printer calibration.