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 #DD1C1C is the color #1CDDDD

The HSL model was used to determine the complementary color

Input Color

HEX #DD1C1C
RGB 221, 28, 28
CMYK 0%, 87%, 87%, 13%
HSL 0°, 77.51%, 48.82%

Complementary Color

HEX #1CDDDD
RGB 28, 221, 221
CMYK 87%, 0%, 0%, 13%
HSL 180°, 77.51%, 48.82%

Complementary color scheme

#1CDDDD

#1C1CDD

#DD1CDD

#DD1C1C

#DDDD1C