Crimson
#B2180A · Crimson
#B2180A is Crimson, a warm red color. It has an RGB value of 178, 24, 10 and a relative luminance of 0.101, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.10
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
6.94:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.03:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #B2180A?
#B2180A is Crimson, a warm red color. In RGB it is 178, 24, 10, and in HSL it is 5°, 89%, 37%.
Is #B2180A a light or dark color?
#B2180A has a relative luminance of 0.101, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #B2180A?
Its complementary color is #0AA4B2. For softer combinations, try the analogous or split-complementary harmonies shown above.