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 #403D40 is the color #3D403D

The HSL model was used to determine the complementary color

Input Color

HEX #403D40
RGB 64, 61, 64
CMYK 0%, 5%, 0%, 75%
HSL 300°, 2.4%, 24.51%

Complementary Color

HEX #3D403D
RGB 61, 64, 61
CMYK 5%, 0%, 5%, 75%
HSL 120°, 2.4%, 24.51%

Complementary color scheme

#3D403D

#3D4040

#3D3D40

#403D40

#403D3D