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 #315151 is the color #513131

The HSL model was used to determine the complementary color

Input Color


HEX #315151
RGB 49, 81, 81
CMYK 40%, 0%, 0%, 68%
HSL 180°, 24.62%, 25.49%

Complementary Color


HEX #513131
RGB 81, 49, 49
CMYK 0%, 40%, 40%, 68%
HSL 0°, 24.62%, 25.49%

Complementary color scheme

#513131
#515131
#315131
#315151
#313151