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 #81151F is the color #158176

The HSL model was used to determine the complementary color

Input Color


HEX #81151F
RGB 129, 21, 31
CMYK 0%, 84%, 76%, 49%
HSL 354.44°, 72%, 29.41%

Complementary Color


HEX #158176
RGB 21, 129, 118
CMYK 84%, 0%, 9%, 49%
HSL 173.89°, 72%, 29.41%

Complementary color scheme

#158176
#152081
#761581
#811520
#817615