#51A7CD Hex Code
Blue cyan Color Codes
#51A7CD
Click to copy
Color Information
Name:Blue cyan
Luminance:0.338
Web Safe:No
Background Preview
Sample Text
#51A7CD as text color
This shows how the color appears on different backgrounds
Color Formats
HEX
#51A7CD
Hexadecimal color code
RGB
rgb(81, 167, 205)
Red, Green, Blue values (0-255)
HSL
hsl(198, 55%, 56%)
Hue, Saturation, Lightness
HSV
hsv(198, 60%, 80%)
Hue, Saturation, Value
CMYK
cmyk(60%, 19%, 0%, 20%)
Cyan, Magenta, Yellow, Key (Black)
LAB
lab(64.8, -14.67, -27.17)
Lightness, A (green-red), B (blue-yellow)
Accessibility Information
Contrast Ratios
White Backgroundfail
Aa
Ratio: 2.71:145/100
Black BackgroundAAA
Aa
Ratio: 7.76:1100/100
Gray Backgroundfail
Aa
Ratio: 1.46:124/100
WCAG Guidelines
AAAContrast ratio of 7:1 or higher (Enhanced)
AAContrast ratio of 4.5:1 or higher (Standard)
FAILContrast ratio below 4.5:1 (Not recommended)
Color Harmonies