HEX ↔ CMYK
Calculate HEX ↔ CMYK instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
HEX ↔ CMYK
1 − Max(HEX)/255
K (CMYK)
0.002
More about: HEX ↔ CMYK
What it calculates
The “HEX ↔ CMYK” calculator computes K (CMYK) from 1 parameter: 1 − max(hex)/255.
A converter between units of measure, currencies, and sizes.
Example calculation
With parameters 1 − Max(HEX)/255 = 0.5 the result is 0.002.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.