Charcoal
#731C23 · Charcoal
#731C23 is Charcoal, a warm red color. It has an RGB value of 115, 28, 35 and a relative luminance of 0.046, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.05
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
10.94:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.92:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #731C23?
#731C23 is Charcoal, a warm red color. In RGB it is 115, 28, 35, and in HSL it is 355°, 61%, 28%.
Is #731C23 a light or dark color?
#731C23 has a relative luminance of 0.046, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #731C23?
Its complementary color is #1C736C. For softer combinations, try the analogous or split-complementary harmonies shown above.