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 #1A0000 is the color #001A1A

The HSL model was used to determine the complementary color

Input Color


HEX #1A0000
RGB 26, 0, 0
CMYK 0%, 100%, 100%, 90%
HSL 0°, 100%, 5.1%

Complementary Color


HEX #001A1A
RGB 0, 26, 26
CMYK 100%, 0%, 0%, 90%
HSL 180°, 100%, 5.1%

Complementary color scheme

#001A1A
#00001A
#1A001A
#1A0000
#1A1A00