Indigo
#4040CE · Indigo
#4040CE is Indigo, a cool blue color. It has an RGB value of 64, 64, 206 and a relative luminance of 0.092, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.09
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
7.39:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.84:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #4040CE?
#4040CE is Indigo, a cool blue color. In RGB it is 64, 64, 206, and in HSL it is 240°, 59%, 53%.
Is #4040CE a light or dark color?
#4040CE has a relative luminance of 0.092, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #4040CE?
Its complementary color is #CECE40. For softer combinations, try the analogous or split-complementary harmonies shown above.