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 #155D91 is the color #914915

The HSL model was used to determine the complementary color

Input Color


HEX #155D91
RGB 21, 93, 145
CMYK 86%, 36%, 0%, 43%
HSL 205.16°, 74.7%, 32.55%

Complementary Color


HEX #914915
RGB 145, 73, 21
CMYK 0%, 50%, 86%, 43%
HSL 25.16°, 74.7%, 32.55%

Complementary color scheme

#914915
#5D9115
#159149
#155D91
#491591