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 #313131 is the color #CECECE

The RGB model was used to determine the complementary color

Input Color

HEX #313131
RGB 49, 49, 49
CMYK 0%, 0%, 0%, 81%
HSL 0°, 0%, 19.22%

Complementary Color

HEX #CECECE
RGB 206, 206, 206
CMYK 0%, 0%, 0%, 19%
HSL 0°, 0%, 80.78%

Possible color scheme

#313131

#3131FF

#31FF31

#7F7F7F

#CECECE

#FF3131

#FFFFA5