#1F21A3 Hex Code
Blue Color Codes
#1F21A3
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Color Information
Name:Blue
Luminance:0.040
Web Safe:No
Background Preview
Sample Text
#1F21A3 as text color
This shows how the color appears on different backgrounds
Color Formats
HEX
#1F21A3
Hexadecimal color code
RGB
rgb(31, 33, 163)
Red, Green, Blue values (0-255)
HSL
hsl(239, 68%, 38%)
Hue, Saturation, Lightness
HSV
hsv(239, 81%, 64%)
Hue, Saturation, Value
CMYK
cmyk(81%, 80%, 0%, 36%)
Cyan, Magenta, Yellow, Key (Black)
LAB
lab(23.75, 45.2, -68.5)
Lightness, A (green-red), B (blue-yellow)
Accessibility Information
Contrast Ratios
White BackgroundAAA
Aa
Ratio: 11.64:1100/100
Black Backgroundfail
Aa
Ratio: 1.80:130/100
Gray Backgroundfail
Aa
Ratio: 2.95:149/100
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