Indigo
#1155D4 · Indigo
#1155D4 is Indigo, a cool blue color. It has an RGB value of 17, 85, 212 and a relative luminance of 0.114, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.11
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
6.41:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.27:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #1155D4?
#1155D4 is Indigo, a cool blue color. In RGB it is 17, 85, 212, and in HSL it is 219°, 85%, 45%.
Is #1155D4 a light or dark color?
#1155D4 has a relative luminance of 0.114, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #1155D4?
Its complementary color is #D49011. For softer combinations, try the analogous or split-complementary harmonies shown above.