Indigo
#316DDD · Indigo
#316DDD is Indigo, a cool blue color. It has an RGB value of 49, 109, 221 and a relative luminance of 0.168, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.17
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
4.81:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
4.36:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #316DDD?
#316DDD is Indigo, a cool blue color. In RGB it is 49, 109, 221, and in HSL it is 219°, 72%, 53%.
Is #316DDD a light or dark color?
#316DDD has a relative luminance of 0.168, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #316DDD?
Its complementary color is #DDA131. For softer combinations, try the analogous or split-complementary harmonies shown above.