Crimson
#B40839 · Crimson
#B40839 is Crimson, a warm magenta color. It has an RGB value of 180, 8, 57 and a relative luminance of 0.102, making it a dark surface.
Temperature
☀ Warm
Hue family
magenta
Luminance
0.10
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
6.92:1
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 #B40839?
#B40839 is Crimson, a warm magenta color. In RGB it is 180, 8, 57, and in HSL it is 343°, 91%, 37%.
Is #B40839 a light or dark color?
#B40839 has a relative luminance of 0.102, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #B40839?
Its complementary color is #08B484. For softer combinations, try the analogous or split-complementary harmonies shown above.