Paste a CMYK color and get its rgb() form. cmyk(0%, 66%, 80%, 0%) becomes rgb(255, 87, 51). The output updates live and copies in one click.
CMYK is subtractive ink; RGB is additive light. This converter gives the standard math mapping, which is the right tool when you have print specs and need a screen-friendly preview.
Supported input
Use cmyk(c%, m%, y%, k%) with each component from 0% to 100%, including the % signs. Toggle batch mode to convert multiple colors at once by pasting one color per line.
cmyk(0%, 66%, 80%, 0%) → rgb(255, 87, 51)
cmyk(86%, 11%, 0%, 7%) → rgb(34, 211, 238)
cmyk(56%, 38%, 0%, 85%) → rgb(17, 24, 39)RGB output format
Output is rgb(r, g, b) with each channel from 0 to 255, rounded to whole numbers. This is the form CSS, canvas, and image code expect. You can export the results as raw text, JSON arrays, CSS variables, or JavaScript arrays.
Profile-free approximation
The math does not use an ICC profile. The RGB you get is a generic preview of how the ink mix would look, not a calibrated match to a specific press. For brand work, confirm the on-screen color against the official sRGB or hex value when you have it.