Indigo
#2663C0 · Indigo
#2663C0 is Indigo, a cool blue color. It has an RGB value of 38, 99, 192 and a relative luminance of 0.131, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.13
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
5.79:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.63:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #2663C0?
#2663C0 is Indigo, a cool blue color. In RGB it is 38, 99, 192, and in HSL it is 216°, 67%, 45%.
Is #2663C0 a light or dark color?
#2663C0 has a relative luminance of 0.131, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #2663C0?
Its complementary color is #C08226. For softer combinations, try the analogous or split-complementary harmonies shown above.