Indigo
#1B13FB · Indigo
#1B13FB is Indigo, a cool blue color. It has an RGB value of 27, 19, 251 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
8.29:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.53:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #1B13FB?
#1B13FB is Indigo, a cool blue color. In RGB it is 27, 19, 251, and in HSL it is 242°, 97%, 53%.
Is #1B13FB a light or dark color?
#1B13FB 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 #1B13FB?
Its complementary color is #F4FB13. For softer combinations, try the analogous or split-complementary harmonies shown above.