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 #1D555B is the color #5B221D

The HSL model was used to determine the complementary color

Input Color


HEX #1D555B
RGB 29, 85, 91
CMYK 68%, 7%, 0%, 64%
HSL 185.81°, 51.67%, 23.53%

Complementary Color


HEX #5B221D
RGB 91, 34, 29
CMYK 0%, 63%, 68%, 64%
HSL 4.84°, 51.67%, 23.53%

Complementary color scheme

#5B221D
#565B1D
#1D5B22
#1D565B
#221D5B