Indigo
#5743CB · Indigo
#5743CB is Indigo, a cool blue color. It has an RGB value of 87, 67, 203 and a relative luminance of 0.104, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.10
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
6.84:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.07:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #5743CB?
#5743CB is Indigo, a cool blue color. In RGB it is 87, 67, 203, and in HSL it is 249°, 57%, 53%.
Is #5743CB a light or dark color?
#5743CB has a relative luminance of 0.104, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #5743CB?
Its complementary color is #B7CB43. For softer combinations, try the analogous or split-complementary harmonies shown above.