Indigo
#2A1BF3 · Indigo
#2A1BF3 is Indigo, a cool blue color. It has an RGB value of 42, 27, 243 and a relative luminance of 0.077, 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
8.24:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.55:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #2A1BF3?
#2A1BF3 is Indigo, a cool blue color. In RGB it is 42, 27, 243, and in HSL it is 244°, 90%, 53%.
Is #2A1BF3 a light or dark color?
#2A1BF3 has a relative luminance of 0.077, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #2A1BF3?
Its complementary color is #E5F31B. For softer combinations, try the analogous or split-complementary harmonies shown above.