#FF0000
red · rgb(255, 0, 0)
Color formats
HEX#FF0000
RGBrgb(255, 0, 0)
HSLhsl(0, 100%, 50%)
HSVhsv(0, 100%, 100%)
OKLCHoklch(63% 0.26 29)
CMYKcmyk(0%, 100%, 100%, 0%)
Contrast & accessibility
On white4.00:1below AA
On black5.25:1AA pass
Best text color#000000
Nearest CSS name: red
Shades & tints
Color harmonies
About this color
#FF0000 is a color with the RGB value rgb(255, 0, 0). Its closest CSS named color is "red". On this page you'll find every format (HEX, RGB, HSL, HSV, OKLCH, CMYK), WCAG contrast against white and black, a full 50–950 shade scale, and complementary, analogous and triadic harmonies — each linking to its own color page.