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 #2A303A is the color #3A342A

The HSL model was used to determine the complementary color

Input Color

HEX #2A303A
RGB 42, 48, 58
CMYK 28%, 17%, 0%, 77%
HSL 217.5°, 16%, 19.61%

Complementary Color

HEX #3A342A
RGB 58, 52, 42
CMYK 0%, 10%, 28%, 77%
HSL 37.5°, 16%, 19.61%

Complementary color scheme

#3A342A

#303A2A

#2A3A34

#2A303A

#342A3A