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 #40391B is the color #1B2240

The HSL model was used to determine the complementary color

Input Color


HEX #40391B
RGB 64, 57, 27
CMYK 0%, 11%, 58%, 75%
HSL 48.65°, 40.66%, 17.84%

Complementary Color


HEX #1B2240
RGB 27, 34, 64
CMYK 58%, 47%, 0%, 75%
HSL 228.65°, 40.66%, 17.84%

Complementary color scheme

#1B2240
#391B40
#401B22
#40391B
#22401B