Charcoal
#640D02 · Charcoal
#640D02 is Charcoal, a warm red color. It has an RGB value of 100, 13, 2 and a relative luminance of 0.030, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.03
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
13.12:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.60:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #640D02?
#640D02 is Charcoal, a warm red color. In RGB it is 100, 13, 2, and in HSL it is 7°, 96%, 20%.
Is #640D02 a light or dark color?
#640D02 has a relative luminance of 0.030, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #640D02?
Its complementary color is #025964. For softer combinations, try the analogous or split-complementary harmonies shown above.