Indigo
#3965D5 · Indigo
#3965D5 is Indigo, a cool blue color. It has an RGB value of 57, 101, 213 and a relative luminance of 0.150, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.15
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
5.25:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
4.00:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #3965D5?
#3965D5 is Indigo, a cool blue color. In RGB it is 57, 101, 213, and in HSL it is 223°, 65%, 53%.
Is #3965D5 a light or dark color?
#3965D5 has a relative luminance of 0.150, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #3965D5?
Its complementary color is #D5A939. For softer combinations, try the analogous or split-complementary harmonies shown above.