Indigo
#631BF3 · Indigo
#631BF3 is Indigo, a cool violet color. It has an RGB value of 99, 27, 243 and a relative luminance of 0.099, making it a dark surface.
Temperature
❄ Cool
Hue family
violet
Luminance
0.10
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
7.04:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.98:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #631BF3?
#631BF3 is Indigo, a cool violet color. In RGB it is 99, 27, 243, and in HSL it is 260°, 90%, 53%.
Is #631BF3 a light or dark color?
#631BF3 has a relative luminance of 0.099, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #631BF3?
Its complementary color is #ABF31B. For softer combinations, try the analogous or split-complementary harmonies shown above.