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 #21342C is the color #342129

The HSL model was used to determine the complementary color

Input Color


HEX #21342C
RGB 33, 52, 44
CMYK 37%, 0%, 15%, 80%
HSL 154.74°, 22.35%, 16.67%

Complementary Color


HEX #342129
RGB 52, 33, 41
CMYK 0%, 37%, 21%, 80%
HSL 334.74°, 22.35%, 16.67%

Complementary color scheme

#342129
#342C21
#293421
#21342C
#212934