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 #1F4F4D is the color #4F1F21

The HSL model was used to determine the complementary color

Input Color


HEX #1F4F4D
RGB 31, 79, 77
CMYK 61%, 0%, 3%, 69%
HSL 177.5°, 43.64%, 21.57%

Complementary Color


HEX #4F1F21
RGB 79, 31, 33
CMYK 0%, 61%, 58%, 69%
HSL 357.5°, 43.64%, 21.57%

Complementary color scheme

#4F1F21
#4F4D1F
#214F1F
#1F4F4D
#1F214F