Red Color – #ff0000: Codes and Complete Breakdown
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The Red color hex code is #ff0000, and it is composed of 100% red, 0% green and 0% blue.
Red is a dark, vibrant, saturated, and warm color at 100% saturation. It has a contrast ratio of 4:1 against a white background, which fails WCAG AA (Web Content Accessibility Guidelines, Level AA) compliance.
For better visibility, it is recommended to use the Red color (#ff0000) against dark backgrounds.

Red Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#ff0000
Red Color Codes and Information
Here’s a complete breakdown of the color Red, including its HEX, RGB, HSL, and CMYK values, as well as other information about the color.
| Data Type | Values/Details |
|---|---|
| Hex | #ff0000 |
| RGB | rgb(255,0,0) |
| HSL | hsl(0,100%,50%) |
| CMYK | 0, 100, 100, 0 |
| HSV | 0, 100, 100 |
| RGB % | 100, 0, 0 |
| XYZ | 41.2, 21.3, 1.9 |
| LAB | 53.3, 79.8, 67.6 |
| Color Category | Dark |
| Color Family | Red |
| Saturation | 100% |
| Temperature | Warm |
| Contrast Ratio Againt White (#ffffff) | 4 (fails WCAG AA) |
| Contrast Ratio Againt Black (#000000) | 5.25 (passes WCAG AA) |
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