Indigo
#0B5BDA · Indigo
#0B5BDA is Indigo, a cool blue color. It has an RGB value of 11, 91, 218 and a relative luminance of 0.126, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.13
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
5.96:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.52:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #0B5BDA?
#0B5BDA is Indigo, a cool blue color. In RGB it is 11, 91, 218, and in HSL it is 217°, 90%, 45%.
Is #0B5BDA a light or dark color?
#0B5BDA has a relative luminance of 0.126, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #0B5BDA?
Its complementary color is #DA8B0B. For softer combinations, try the analogous or split-complementary harmonies shown above.