Signal Cyan
#55B5F1 · Signal Cyan
#55B5F1 is Signal Cyan, a cool blue color. It has an RGB value of 85, 181, 241 and a relative luminance of 0.413, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.41
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
2.27:1
AA normal✕
AA large✕
AAA normal✕
On black
The quick fox
9.27:1
AA normal✓
AA large✓
AAA normal✓
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #55B5F1?
#55B5F1 is Signal Cyan, a cool blue color. In RGB it is 85, 181, 241, and in HSL it is 203°, 85%, 64%.
Is #55B5F1 a light or dark color?
#55B5F1 has a relative luminance of 0.413, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #55B5F1?
Its complementary color is #F19155. For softer combinations, try the analogous or split-complementary harmonies shown above.