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 #1F4B3B is the color #4B1F2F

The HSL model was used to determine the complementary color

Input Color

HEX #1F4B3B
RGB 31, 75, 59
CMYK 59%, 0%, 21%, 71%
HSL 158.18°, 41.51%, 20.78%

Complementary Color

HEX #4B1F2F
RGB 75, 31, 47
CMYK 0%, 59%, 37%, 71%
HSL 338.18°, 41.51%, 20.78%

Complementary color scheme

#4B1F2F

#4B3B1F

#2F4B1F

#1F4B3B

#1F2F4B