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 #12181E is the color #1E1812

The HSL model was used to determine the complementary color

Input Color


HEX #12181E
RGB 18, 24, 30
CMYK 40%, 20%, 0%, 88%
HSL 210°, 25%, 9.41%

Complementary Color


HEX #1E1812
RGB 30, 24, 18
CMYK 0%, 20%, 40%, 88%
HSL 30°, 25%, 9.41%

Complementary color scheme

#1E1812
#181E12
#121E18
#12181E
#18121E