#FF0000
red
Color info, conversions, contrast ratios, shades, and tints for #FF0000
Color Formats
HEX
#ff0000
RGB
rgb(255, 0, 0)
HSL
hsl(0, 100%, 50%)
OKLCH
oklch(62.8% 0.2577 29.2)
WCAG Contrast Ratios
On White (#fff)
4.00:1
AA Normal ✗ AA Large ✓ AAA ✗
Sample Text
On Black (#000)
5.25:1
AA Normal ✓ AA Large ✓ AAA ✗
Sample Text
Shades & Tints
Shades (Darker)
Tints (Lighter)
Related Colors
Complementary
Analogous
Closest CSS named color
red
#ff0000
Look up another color
Open full Color Info toolAbout #FF0000
#FF0000 is a hex color code closest to the CSS named color red. It has a perceived brightness of 30% making it a dark color. In RGB it is rgb(255, 0, 0), in HSL it is hsl(0, 100%, 50%), and in the modern OKLCH color space it is oklch(62.8% 0.2577 29.2).
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