Crimson
#C43421 · Crimson
#C43421 is Crimson, a warm red color. It has an RGB value of 196, 52, 33 and a relative luminance of 0.143, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.14
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
5.44:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.86:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #C43421?
#C43421 is Crimson, a warm red color. In RGB it is 196, 52, 33, and in HSL it is 7°, 71%, 45%.
Is #C43421 a light or dark color?
#C43421 has a relative luminance of 0.143, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #C43421?
Its complementary color is #21B1C4. For softer combinations, try the analogous or split-complementary harmonies shown above.