Indigo
#0A42DB · Indigo
#0A42DB is Indigo, a cool blue color. It has an RGB value of 10, 66, 219 and a relative luminance of 0.091, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.09
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
7.46:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.82:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #0A42DB?
#0A42DB is Indigo, a cool blue color. In RGB it is 10, 66, 219, and in HSL it is 224°, 91%, 45%.
Is #0A42DB a light or dark color?
#0A42DB has a relative luminance of 0.091, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #0A42DB?
Its complementary color is #DBA30A. For softer combinations, try the analogous or split-complementary harmonies shown above.