Red (#FF0000) has the RGB value rgb(255, 0, 0), the HSL value hsl(0, 100%, 50%) and the CMYK value cmyk(0%, 100%, 100%, 0%).
| HEX | #FF0000 |
| RGB | rgb(255, 0, 0) |
| HSL | hsl(0, 100%, 50%) |
| CMYK | cmyk(0%, 100%, 100%, 0%) |
Complementary
Analogous
Triadic
Split-complementary
Tints mix Red with white; shades mix it with black.
| #FF0000 on white | 4.00:1 · AA large text only |
| #FF0000 on black | 5.25:1 · AA |
Text in black is easier to read on a red background.
The hex code used here for red is #FF0000. Other shades of red use different codes.
Red (#FF0000) is rgb(255, 0, 0): red 255, green 0, blue 0.
Its complementary color is #00FFFF. Analogous colors are #FF0080 and #FF8000, and a triadic scheme adds #00FF00 and #0000FF.
The contrast ratio of #FF0000 on white is 4.00:1 (AA large text only). On black it is 5.25:1 (AA). WCAG AA needs 4.5:1 for normal text.
No. The CMYK numbers are a simple mathematical conversion from RGB. Printed colors depend on the printer, ink and paper, so check a proof for color-critical work.