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 #FF3A3A is the color #3AFFFF

The HSL model was used to determine the complementary color

Input Color


HEX #FF3A3A
RGB 255, 58, 58
CMYK 0%, 77%, 77%, 0%
HSL 0°, 100%, 61.37%

Complementary Color


HEX #3AFFFF
RGB 58, 255, 255
CMYK 77%, 0%, 0%, 0%
HSL 180°, 100%, 61.37%

Complementary color scheme

#3AFFFF
#3A3AFF
#FF3AFF
#FF3A3A
#FFFF3A