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 #3C3E42 is the color #42403C

The HSL model was used to determine the complementary color

Input Color


HEX #3C3E42
RGB 60, 62, 66
CMYK 9%, 6%, 0%, 74%
HSL 220°, 4.76%, 24.71%

Complementary Color


HEX #42403C
RGB 66, 64, 60
CMYK 0%, 3%, 9%, 74%
HSL 40°, 4.76%, 24.71%

Complementary color scheme

#42403C
#3E423C
#3C4240
#3C3E42
#403C42