Indigo
#124FD3 · Indigo
#124FD3 is Indigo, a cool blue color. It has an RGB value of 18, 79, 211 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
6.81:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.08:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #124FD3?
#124FD3 is Indigo, a cool blue color. In RGB it is 18, 79, 211, and in HSL it is 221°, 84%, 45%.
Is #124FD3 a light or dark color?
#124FD3 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 #124FD3?
Its complementary color is #D39612. For softer combinations, try the analogous or split-complementary harmonies shown above.