Indigo
#405DCE · Indigo
#405DCE is Indigo, a cool blue color. It has an RGB value of 64, 93, 206 and a relative luminance of 0.134, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.13
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
5.71:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.67:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #405DCE?
#405DCE is Indigo, a cool blue color. In RGB it is 64, 93, 206, and in HSL it is 228°, 59%, 53%.
Is #405DCE a light or dark color?
#405DCE has a relative luminance of 0.134, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #405DCE?
Its complementary color is #CEB240. For softer combinations, try the analogous or split-complementary harmonies shown above.