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 #151312 is the color #121415

The HSL model was used to determine the complementary color

Input Color

HEX #151312
RGB 21, 19, 18
CMYK 0%, 10%, 14%, 92%
HSL 20°, 7.69%, 7.65%

Complementary Color

HEX #121415
RGB 18, 20, 21
CMYK 14%, 5%, 0%, 92%
HSL 200°, 7.69%, 7.65%

Complementary color scheme

#121415

#131215

#151214

#151312

#141512