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 #1B5D5D is the color #5D1B1B

The HSL model was used to determine the complementary color

Input Color


HEX #1B5D5D
RGB 27, 93, 93
CMYK 71%, 0%, 0%, 64%
HSL 180°, 55%, 23.53%

Complementary Color


HEX #5D1B1B
RGB 93, 27, 27
CMYK 0%, 71%, 71%, 64%
HSL 0°, 55%, 23.53%

Complementary color scheme

#5D1B1B
#5D5D1B
#1B5D1B
#1B5D5D
#1B1B5D