#B5171A Hex Code
Red Color Codes
#B5171A
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Color Information
Name:Red
Luminance:0.105
Web Safe:No
Background Preview
Sample Text
#B5171A as text color
This shows how the color appears on different backgrounds
Color Formats
HEX
#B5171A
Hexadecimal color code
RGB
rgb(181, 23, 26)
Red, Green, Blue values (0-255)
HSL
hsl(359, 77%, 40%)
Hue, Saturation, Lightness
HSV
hsv(359, 87%, 71%)
Hue, Saturation, Value
CMYK
cmyk(0%, 87%, 86%, 29%)
Cyan, Magenta, Yellow, Key (Black)
LAB
lab(38.74, 59.17, 41.83)
Lightness, A (green-red), B (blue-yellow)
Accessibility Information
Contrast Ratios
White BackgroundAA
Aa
Ratio: 6.77:175/100
Black Backgroundfail
Aa
Ratio: 3.10:150/100
Gray Backgroundfail
Aa
Ratio: 1.71:129/100
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