Indigo
#1757CF · Indigo
#1757CF is Indigo, a cool blue color. It has an RGB value of 23, 87, 207 and a relative luminance of 0.115, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.12
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
6.36:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.30:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #1757CF?
#1757CF is Indigo, a cool blue color. In RGB it is 23, 87, 207, and in HSL it is 219°, 80%, 45%.
Is #1757CF a light or dark color?
#1757CF has a relative luminance of 0.115, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #1757CF?
Its complementary color is #CF8E17. For softer combinations, try the analogous or split-complementary harmonies shown above.