#0000FF
blue
#0000FF is a medium, highly saturated blue with a hue angle of 240°. the closest CSS named color is blue. A bold blue commonly used for primary buttons, links, and brand accents.
Color Formats
HEX
#0000ff
RGB
rgb(0, 0, 255)
HSL
hsl(240, 100%, 50%)
OKLCH
oklch(45.2% 0.3132 264.1)
WCAG Contrast Ratios
On White (#fff)
8.59:1
AA Normal ✓ AA Large ✓ AAA ✓
Sample Text
On Black (#000)
2.44:1
AA Normal ✗ AA Large ✗ AAA ✗
Sample Text
Shades & Tints
Shades (Darker)
Tints (Lighter)
Related Colors
Complementary
Analogous
Closest CSS named color
blue
#0000ff
Look up another color
Open full Color Info toolAbout #0000FF
#0000FF is a hex color code closest to the CSS named color blue. It has a perceived brightness of 11% making it a dark color. In RGB it is rgb(0, 0, 255), in HSL it is hsl(240, 100%, 50%), and in the modern OKLCH color space it is oklch(45.2% 0.3132 264.1).
Related Free Tools
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