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 #155B8B is the color #8B4415

The HSL model was used to determine the complementary color

Input Color


HEX #155B8B
RGB 21, 91, 139
CMYK 85%, 35%, 0%, 45%
HSL 204.41°, 73.75%, 31.37%

Complementary Color


HEX #8B4415
RGB 139, 68, 21
CMYK 0%, 51%, 85%, 45%
HSL 23.9°, 73.75%, 31.37%

Complementary color scheme

#8B4415
#5C8B15
#158B44
#155C8B
#44158B