Signal Cyan
#51BFF6 · Signal Cyan
#51BFF6 is Signal Cyan, a cool blue color. It has an RGB value of 81, 191, 246 and a relative luminance of 0.457, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.46
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
2.07:1
AA normal✕
AA large✕
AAA normal✕
On black
The quick fox
10.13:1
AA normal✓
AA large✓
AAA normal✓
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #51BFF6?
#51BFF6 is Signal Cyan, a cool blue color. In RGB it is 81, 191, 246, and in HSL it is 200°, 90%, 64%.
Is #51BFF6 a light or dark color?
#51BFF6 has a relative luminance of 0.457, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #51BFF6?
Its complementary color is #F68851. For softer combinations, try the analogous or split-complementary harmonies shown above.