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 #1B122A is the color #212A12

The HSL model was used to determine the complementary color

Input Color


HEX #1B122A
RGB 27, 18, 42
CMYK 36%, 57%, 0%, 84%
HSL 262.5°, 40%, 11.76%

Complementary Color


HEX #212A12
RGB 33, 42, 18
CMYK 21%, 0%, 57%, 84%
HSL 82.5°, 40%, 11.76%

Complementary color scheme

#212A12
#122A1B
#12212A
#1B122A
#2A1221