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 #1B211A is the color #201A21

The HSL model was used to determine the complementary color

Input Color


HEX #1B211A
RGB 27, 33, 26
CMYK 18%, 0%, 21%, 87%
HSL 111.43°, 11.86%, 11.57%

Complementary Color


HEX #201A21
RGB 32, 26, 33
CMYK 3%, 21%, 0%, 87%
HSL 291.43°, 11.86%, 11.57%

Complementary color scheme

#201A21
#211A1B
#21201A
#1B211A
#1A2120