Crimson
#B12A0B · Crimson
#B12A0B is Crimson, a warm red color. It has an RGB value of 177, 42, 11 and a relative luminance of 0.110, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.11
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
6.55:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.21:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #B12A0B?
#B12A0B is Crimson, a warm red color. In RGB it is 177, 42, 11, and in HSL it is 11°, 88%, 37%.
Is #B12A0B a light or dark color?
#B12A0B has a relative luminance of 0.110, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #B12A0B?
Its complementary color is #0B93B1. For softer combinations, try the analogous or split-complementary harmonies shown above.