#3F57CF Hex Code
Blue Color Codes
#3F57CF
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Color Information
Name:Blue
Luminance:0.124
Web Safe:No
Background Preview
Sample Text
#3F57CF as text color
This shows how the color appears on different backgrounds
Color Formats
HEX
#3F57CF
Hexadecimal color code
RGB
rgb(63, 87, 207)
Red, Green, Blue values (0-255)
HSL
hsl(230, 60%, 53%)
Hue, Saturation, Lightness
HSV
hsv(230, 70%, 81%)
Hue, Saturation, Value
CMYK
cmyk(70%, 58%, 0%, 19%)
Cyan, Magenta, Yellow, Key (Black)
LAB
lab(41.81, 30.98, -64.78)
Lightness, A (green-red), B (blue-yellow)
Accessibility Information
Contrast Ratios
White BackgroundAA
Aa
Ratio: 6.04:175/100
Black Backgroundfail
Aa
Ratio: 3.48:150/100
Gray Backgroundfail
Aa
Ratio: 1.53:125/100
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