Indigo
#301FEF · Indigo
#301FEF is Indigo, a cool blue color. It has an RGB value of 48, 31, 239 and a relative luminance of 0.078, 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
8.18:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.57:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #301FEF?
#301FEF is Indigo, a cool blue color. In RGB it is 48, 31, 239, and in HSL it is 245°, 87%, 53%.
Is #301FEF a light or dark color?
#301FEF has a relative luminance of 0.078, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #301FEF?
Its complementary color is #DEEF1F. For softer combinations, try the analogous or split-complementary harmonies shown above.