Indigo
#1D64C9 · Indigo
#1D64C9 is Indigo, a cool blue color. It has an RGB value of 29, 100, 201 and a relative luminance of 0.136, 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
5.65:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.72:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #1D64C9?
#1D64C9 is Indigo, a cool blue color. In RGB it is 29, 100, 201, and in HSL it is 215°, 75%, 45%.
Is #1D64C9 a light or dark color?
#1D64C9 has a relative luminance of 0.136, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #1D64C9?
Its complementary color is #C9811D. For softer combinations, try the analogous or split-complementary harmonies shown above.