Charcoal
#03303A · Charcoal
#03303A is Charcoal, a cool cyan color. It has an RGB value of 3, 48, 58 and a relative luminance of 0.024, making it a dark surface.
Temperature
❄ Cool
Hue family
cyan
Luminance
0.02
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
14.12:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.49:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #03303A?
#03303A is Charcoal, a cool cyan color. In RGB it is 3, 48, 58, and in HSL it is 191°, 90%, 12%.
Is #03303A a light or dark color?
#03303A has a relative luminance of 0.024, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #03303A?
Its complementary color is #3A0D03. For softer combinations, try the analogous or split-complementary harmonies shown above.