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 #343942 is the color #423D34

The HSL model was used to determine the complementary color

Input Color


HEX #343942
RGB 52, 57, 66
CMYK 21%, 14%, 0%, 74%
HSL 218.57°, 11.86%, 23.14%

Complementary Color


HEX #423D34
RGB 66, 61, 52
CMYK 0%, 8%, 21%, 74%
HSL 38.57°, 11.86%, 23.14%

Complementary color scheme

#423D34
#394234
#34423D
#343942
#3D3442