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 #B12727 is the color #27B1B1

The HSL model was used to determine the complementary color

Input Color

HEX #B12727
RGB 177, 39, 39
CMYK 0%, 78%, 78%, 31%
HSL 0°, 63.89%, 42.35%

Complementary Color

HEX #27B1B1
RGB 39, 177, 177
CMYK 78%, 0%, 0%, 31%
HSL 180°, 63.89%, 42.35%

Complementary color scheme

#27B1B1

#2727B1

#B127B1

#B12727

#B1B127