Sky
#57A8EF · Sky
#57A8EF is Sky, a cool blue color. It has an RGB value of 87, 168, 239 and a relative luminance of 0.363, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.36
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
2.54:1
AA normal✕
AA large✕
AAA normal✕
On black
The quick fox
8.25:1
AA normal✓
AA large✓
AAA normal✓
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #57A8EF?
#57A8EF is Sky, a cool blue color. In RGB it is 87, 168, 239, and in HSL it is 208°, 83%, 64%.
Is #57A8EF a light or dark color?
#57A8EF has a relative luminance of 0.363, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #57A8EF?
Its complementary color is #EF9E57. For softer combinations, try the analogous or split-complementary harmonies shown above.