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 #120000 is the color #001212

The HSL model was used to determine the complementary color

Input Color

HEX #120000
RGB 18, 0, 0
CMYK 0%, 100%, 100%, 93%
HSL 0°, 100%, 3.53%

Complementary Color

HEX #001212
RGB 0, 18, 18
CMYK 100%, 0%, 0%, 93%
HSL 180°, 100%, 3.53%

Complementary color scheme

#001212

#000012

#120012

#120000

#121200