Red

About Red

Red is the hex color #FF0000, which translates to rgb(255, 0, 0) in RGB and hsl(0, 100%, 50%) in HSL. On the color wheel it sits at 0 degrees, with a saturation of 100 percent and a lightness of 50 percent. Its OKLCH chroma of 0.258 is high, so Red is one of the more vivid red tones here and is easy to overuse at large sizes.

How Red compares

Red is exactly the CSS keyword red, so you can write the keyword instead of the hex and get an identical result. In the Tailwind CSS 4.3.1 palette the nearest token is red-600 (#E7000B), at a distance of 10.9. Inside this library the closest neighbour is Scarlet at 4.1. Sorted by lightness, Red is number 13 of the 18 red colors here.

Text on Red

One of the five common text colors below clears WCAG AA for normal text on Red, led by Ink black at 4.79:1. The ratios are computed with the WCAG relative luminance formula, the same one the contrast checker uses, which opens with Red already loaded as the background.

Building a palette around Red

The pairings above give you three classic starting points. The complementary color sits opposite on the wheel and works well as an accent that draws the eye. The analogous colors sit right beside Red for calmer, harmonious combinations. The triadic pair spaces three hues evenly for a balanced, energetic palette. Open any swatch to explore it as its own color.

Full values for Red

Use Red in a tool

Nearby colors

Last updated 5 August 2026 by FusionStudios. Every value on this page is computed by the same functions the tools use. How this is calculated.