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 #A10000 is the color #00A1A1

The HSL model was used to determine the complementary color

Input Color


HEX #A10000
RGB 161, 0, 0
CMYK 0%, 100%, 100%, 37%
HSL 0°, 100%, 31.57%

Complementary Color


HEX #00A1A1
RGB 0, 161, 161
CMYK 100%, 0%, 0%, 37%
HSL 180°, 100%, 31.57%

Complementary color scheme

#00A1A1
#0000A1
#A100A1
#A10000
#A1A100