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 #120505 is the color #051212

The HSL model was used to determine the complementary color

Input Color

HEX #120505
RGB 18, 5, 5
CMYK 0%, 72%, 72%, 93%
HSL 0°, 56.52%, 4.51%

Complementary Color

HEX #051212
RGB 5, 18, 18
CMYK 72%, 0%, 0%, 93%
HSL 180°, 56.52%, 4.51%

Complementary color scheme

#051212

#050512

#120512

#120505

#121205