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 #155F6D is the color #6D2215

The HSL model was used to determine the complementary color

Input Color


HEX #155F6D
RGB 21, 95, 109
CMYK 81%, 13%, 0%, 57%
HSL 189.55°, 67.69%, 25.49%
RAL DESIGN 220 30 30 - Sandalwood grey blue

Complementary Color


HEX #6D2215
RGB 109, 34, 21
CMYK 0%, 69%, 81%, 57%
HSL 8.86°, 67.69%, 25.49%

Complementary color scheme

#6D2215
#606D15
#156D22
#15606D
#22156D