Indigo
#1864CD · Indigo
#1864CD is Indigo, a cool blue color. It has an RGB value of 24, 100, 205 and a relative luminance of 0.137, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.14
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
5.61:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.74:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #1864CD?
#1864CD is Indigo, a cool blue color. In RGB it is 24, 100, 205, and in HSL it is 215°, 79%, 45%.
Is #1864CD a light or dark color?
#1864CD has a relative luminance of 0.137, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #1864CD?
Its complementary color is #CD8218. For softer combinations, try the analogous or split-complementary harmonies shown above.