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 #B42020 is the color #20B4B4

The HSL model was used to determine the complementary color

Input Color


HEX #B42020
RGB 180, 32, 32
CMYK 0%, 82%, 82%, 29%
HSL 0°, 69.81%, 41.57%

Complementary Color


HEX #20B4B4
RGB 32, 180, 180
CMYK 82%, 0%, 0%, 29%
HSL 180°, 69.81%, 41.57%

Complementary color scheme

#20B4B4
#2020B4
#B420B4
#B42020
#B4B420