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 #1B2B1D is the color #2B1B29

The HSL model was used to determine the complementary color

Input Color

HEX #1B2B1D
RGB 27, 43, 29
CMYK 37%, 0%, 33%, 83%
HSL 127.5°, 22.86%, 13.73%

Complementary Color

HEX #2B1B29
RGB 43, 27, 41
CMYK 0%, 37%, 5%, 83%
HSL 307.5°, 22.86%, 13.73%

Complementary color scheme

#2B1B29

#2B1D1B

#292B1B

#1B2B1D

#1B292B