Indigo
#2D39E1 · Indigo
#2D39E1 is Indigo, a cool blue color. It has an RGB value of 45, 57, 225 and a relative luminance of 0.089, 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
7.54:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.78:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #2D39E1?
#2D39E1 is Indigo, a cool blue color. In RGB it is 45, 57, 225, and in HSL it is 236°, 75%, 53%.
Is #2D39E1 a light or dark color?
#2D39E1 has a relative luminance of 0.089, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #2D39E1?
Its complementary color is #E1D52D. For softer combinations, try the analogous or split-complementary harmonies shown above.