#21B7FD Hex Code
Blue cyan Color Codes
#21B7FD
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Color Information
Name:Blue cyan
Luminance:0.413
Web Safe:No
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Sample Text
#21B7FD as text color
This shows how the color appears on different backgrounds
Color Formats
HEX
#21B7FD
Hexadecimal color code
RGB
rgb(33, 183, 253)
Red, Green, Blue values (0-255)
HSL
hsl(199, 98%, 56%)
Hue, Saturation, Lightness
HSV
hsv(199, 87%, 99%)
Hue, Saturation, Value
CMYK
cmyk(87%, 28%, 0%, 1%)
Cyan, Magenta, Yellow, Key (Black)
LAB
lab(70.37, -12.93, -44.86)
Lightness, A (green-red), B (blue-yellow)
Accessibility Information
Contrast Ratios
White Backgroundfail
Aa
Ratio: 2.27:138/100
Black BackgroundAAA
Aa
Ratio: 9.26:1100/100
Gray Backgroundfail
Aa
Ratio: 1.74:129/100
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