Charcoal
#0A195C · Charcoal
#0A195C is Charcoal, a cool blue color. It has an RGB value of 10, 25, 92 and a relative luminance of 0.015, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.02
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
16.07:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.31:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #0A195C?
#0A195C is Charcoal, a cool blue color. In RGB it is 10, 25, 92, and in HSL it is 229°, 80%, 20%.
Is #0A195C a light or dark color?
#0A195C has a relative luminance of 0.015, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #0A195C?
Its complementary color is #5C4D0A. For softer combinations, try the analogous or split-complementary harmonies shown above.