Indigo
#2B3DE3 · Indigo
#2B3DE3 is Indigo, a cool blue color. It has an RGB value of 43, 61, 227 and a relative luminance of 0.094, 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
7.29:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.88:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #2B3DE3?
#2B3DE3 is Indigo, a cool blue color. In RGB it is 43, 61, 227, and in HSL it is 234°, 77%, 53%.
Is #2B3DE3 a light or dark color?
#2B3DE3 has a relative luminance of 0.094, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #2B3DE3?
Its complementary color is #E3D12B. For softer combinations, try the analogous or split-complementary harmonies shown above.