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 #1D8AB0 is the color #B0421D

The HSL model was used to determine the complementary color

Input Color


HEX #1D8AB0
RGB 29, 138, 176
CMYK 84%, 22%, 0%, 31%
HSL 195.51°, 71.71%, 40.2%

Complementary Color


HEX #B0421D
RGB 176, 66, 29
CMYK 0%, 63%, 84%, 31%
HSL 15.1°, 71.71%, 40.2%

Complementary color scheme

#B0421D
#8BB01D
#1DB042
#1D8BB0
#421DB0