Charcoal
#233343 · Charcoal
#233343 is Charcoal, a cool blue color. It has an RGB value of 35, 51, 67 and a relative luminance of 0.031, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.03
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
12.91:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.63:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #233343?
#233343 is Charcoal, a cool blue color. In RGB it is 35, 51, 67, and in HSL it is 210°, 31%, 20%.
Is #233343 a light or dark color?
#233343 has a relative luminance of 0.031, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #233343?
Its complementary color is #433323. For softer combinations, try the analogous or split-complementary harmonies shown above.