RGB to CMYK Converter

Screens use RGB light; print uses CMYK ink. Slide the RGB channels to preview how a color maps to print.

#7c3aed
HEX
#7c3aed
CMYK
cmyk(48%, 76%, 0%, 7%)
Cyan
47.7%
Magenta
75.5%
Yellow
0%
Black
7.1%

RGB and CMYK describe the same color family in two different ways. RGB adds light (screens); CMYK subtracts it with cyan, magenta, yellow and black ink (print). This converter gives a naive preview — for final print jobs, use your printer's ICC profile for the exact conversion.

Frequently asked questions

Enter RGB channel values from 0–255. The converter shows the equivalent CMYK ink percentages using the standard RGB-to-CMYK formula.

Must-know facts

  • The formula is subtractive: each ink absorbs part of the light.
  • Pure black in RGB is normally printed with just the K (black) plate.

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