Indigo
#0A57DB · Indigo
#0A57DB is Indigo, a cool blue color. It has an RGB value of 10, 87, 219 and a relative luminance of 0.120, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.12
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
6.18:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.40:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #0A57DB?
#0A57DB is Indigo, a cool blue color. In RGB it is 10, 87, 219, and in HSL it is 218°, 91%, 45%.
Is #0A57DB a light or dark color?
#0A57DB has a relative luminance of 0.120, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #0A57DB?
Its complementary color is #DB8F0A. For softer combinations, try the analogous or split-complementary harmonies shown above.