Colour Converter
Moves a colour between the formats used by web, design and print tools.
HEX
—
Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
RGB —
HSL —
HSV —
CMYK —
Reading this —
The formula
L = (max + min) ÷ 2 K = 1 − max
Max and min are the largest and smallest of the red, green and blue values, each from 0 to 1. HEX is the same RGB values written in base 16.
What to watch out for
HSL and HSV results are rounded to whole numbers, so a round trip can shift a value by one.
Frequently Asked Questions
What is #3366cc in other formats?
rgb(51, 102, 204), hsl(220, 60%, 50%), and CMYK 75%, 50%, 0%, 20%.
What is the difference between HSL and HSV?
They share a hue. In HSL, full lightness is always white. In HSV, full value with full saturation is the pure colour.