Indigo
#143CDB · Indigo
#143CDB is Indigo, a cool blue color. It has an RGB value of 20, 60, 219 and a relative luminance of 0.085, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.08
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
7.78:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.70:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #143CDB?
#143CDB is Indigo, a cool blue color. In RGB it is 20, 60, 219, and in HSL it is 228°, 83%, 47%.
Is #143CDB a light or dark color?
#143CDB has a relative luminance of 0.085, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #143CDB?
Its complementary color is #DBB414. For softer combinations, try the analogous or split-complementary harmonies shown above.