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 #40152E is the color #154027

The HSL model was used to determine the complementary color

Input Color


HEX #40152E
RGB 64, 21, 46
CMYK 0%, 67%, 28%, 75%
HSL 325.12°, 50.59%, 16.67%

Complementary Color


HEX #154027
RGB 21, 64, 39
CMYK 67%, 0%, 39%, 75%
HSL 145.12°, 50.59%, 16.67%

Complementary color scheme

#154027
#152E40
#271540
#40152E
#402715