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 #354040 is the color #403535

The HSL model was used to determine the complementary color

Input Color


HEX #354040
RGB 53, 64, 64
CMYK 17%, 0%, 0%, 75%
HSL 180°, 9.4%, 22.94%

Complementary Color


HEX #403535
RGB 64, 53, 53
CMYK 0%, 17%, 17%, 75%
HSL 0°, 9.4%, 22.94%

Complementary color scheme

#403535
#404035
#354035
#354040
#353540