Near-black
#040B39 · Near-black
#040B39 is Near-black, a cool blue color. It has an RGB value of 4, 11, 57 and a relative luminance of 0.006, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.01
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
18.88:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.11:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #040B39?
#040B39 is Near-black, a cool blue color. In RGB it is 4, 11, 57, and in HSL it is 232°, 87%, 12%.
Is #040B39 a light or dark color?
#040B39 has a relative luminance of 0.006, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #040B39?
Its complementary color is #393204. For softer combinations, try the analogous or split-complementary harmonies shown above.