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 #9B1F1F is the color #1F9B9B

The HSL model was used to determine the complementary color

Input Color

HEX #9B1F1F
RGB 155, 31, 31
CMYK 0%, 80%, 80%, 39%
HSL 0°, 66.67%, 36.47%

Complementary Color

HEX #1F9B9B
RGB 31, 155, 155
CMYK 80%, 0%, 0%, 39%
HSL 180°, 66.67%, 36.47%

Complementary color scheme

#1F9B9B

#1F1F9B

#9B1F9B

#9B1F1F

#9B9B1F