Charcoal
#663500 · Charcoal
#663500 is Charcoal, a warm orange color. It has an RGB value of 102, 53, 0 and a relative luminance of 0.054, making it a dark surface.
Temperature
☀ Warm
Hue family
orange
Luminance
0.05
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
10.12:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.07:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #663500?
#663500 is Charcoal, a warm orange color. In RGB it is 102, 53, 0, and in HSL it is 31°, 100%, 20%.
Is #663500 a light or dark color?
#663500 has a relative luminance of 0.054, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #663500?
Its complementary color is #003166. For softer combinations, try the analogous or split-complementary harmonies shown above.