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 #2C3E40 is the color #402E2C

The HSL model was used to determine the complementary color

Input Color


HEX #2C3E40
RGB 44, 62, 64
CMYK 31%, 3%, 0%, 75%
HSL 186°, 18.52%, 21.18%

Complementary Color


HEX #402E2C
RGB 64, 46, 44
CMYK 0%, 28%, 31%, 75%
HSL 6°, 18.52%, 21.18%

Complementary color scheme

#402E2C
#3E402C
#2C402E
#2C3E40
#2E2C40