Indigo
#0039E6 · Indigo
#0039E6 is Indigo, a cool blue color. It has an RGB value of 0, 57, 230 and a relative luminance of 0.086, 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
7.70:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.73:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #0039E6?
#0039E6 is Indigo, a cool blue color. In RGB it is 0, 57, 230, and in HSL it is 225°, 100%, 45%.
Is #0039E6 a light or dark color?
#0039E6 has a relative luminance of 0.086, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #0039E6?
Its complementary color is #E6AC00. For softer combinations, try the analogous or split-complementary harmonies shown above.