How to determine complementary colors?
What are the different color models?

Determine Complementary Color

140 color names
216 web safe colors
2040 RAL colors
200 shades of gray

The complementary color of #FF1A1A is the color #1AFFFF

The HSL model was used to determine the complementary color

Input Color


HEX #FF1A1A
RGB 255, 26, 26
CMYK 0%, 90%, 90%, 0%
HSL 0°, 100%, 55.1%

Complementary Color


HEX #1AFFFF
RGB 26, 255, 255
CMYK 90%, 0%, 0%, 0%
HSL 180°, 100%, 55.1%

Complementary color scheme

#1AFFFF
#1A1AFF
#FF1AFF
#FF1A1A
#FFFF1A