Crimson
#CB1A1A · Crimson
#CB1A1A is Crimson, a warm red color. It has an RGB value of 203, 26, 26 and a relative luminance of 0.135, 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
5.67:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.70:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #CB1A1A?
#CB1A1A is Crimson, a warm red color. In RGB it is 203, 26, 26, and in HSL it is 0°, 77%, 45%.
Is #CB1A1A a light or dark color?
#CB1A1A has a relative luminance of 0.135, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #CB1A1A?
Its complementary color is #1ACBCB. For softer combinations, try the analogous or split-complementary harmonies shown above.