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 #3C3F42 is the color #423F3C

The HSL model was used to determine the complementary color

Input Color


HEX #3C3F42
RGB 60, 63, 66
CMYK 9%, 5%, 0%, 74%
HSL 210°, 4.76%, 24.71%

Complementary Color


HEX #423F3C
RGB 66, 63, 60
CMYK 0%, 5%, 9%, 74%
HSL 30°, 4.76%, 24.71%

Complementary color scheme

#423F3C
#3F423C
#3C423F
#3C3F42
#3F3C42