Crimson
#C81E21 · Crimson
#C81E21 is Crimson, a warm red color. It has an RGB value of 200, 30, 33 and a relative luminance of 0.133, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.13
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
5.73:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.66:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #C81E21?
#C81E21 is Crimson, a warm red color. In RGB it is 200, 30, 33, and in HSL it is 359°, 74%, 45%.
Is #C81E21 a light or dark color?
#C81E21 has a relative luminance of 0.133, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #C81E21?
Its complementary color is #1EC8C5. For softer combinations, try the analogous or split-complementary harmonies shown above.