Indigo
#0337E2 · Indigo
#0337E2 is Indigo, a cool blue color. It has an RGB value of 3, 55, 226 and a relative luminance of 0.082, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.08
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
7.93:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.65:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #0337E2?
#0337E2 is Indigo, a cool blue color. In RGB it is 3, 55, 226, and in HSL it is 226°, 97%, 45%.
Is #0337E2 a light or dark color?
#0337E2 has a relative luminance of 0.082, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #0337E2?
Its complementary color is #E2AE03. For softer combinations, try the analogous or split-complementary harmonies shown above.