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red-900

#82181a

Tailwind CSS v4.3.3 red-900 is oklch(39.6% 0.141 25.723) in OKLCH, the format Tailwind uses, and #82181a in HEX.

Class
OKLCH
HEX
RGB
HSL
CSS
Open #82181a in the pickerCheck contrast

Classes

Click to copy. Add /50 for 50% opacity, for example bg-red-900/50.

Text on red-900

  • Aawhite10.06:1Readable · AA
  • Aablack2.09:1Hard to read
  • Aared-509.21:1Readable · AA

Most readable text from the red scale: red-50

Tailwind red scale

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Step 900 in other Tailwind colors

Questions and answers

What is the hex code of Tailwind red-900?

red-900 is #82181a in HEX, rgb(130 24 26) in RGB and oklch(39.6% 0.141 25.723) in OKLCH. Tailwind CSS v4.3.3 defines its colors in OKLCH, so the HEX value is the closest sRGB match.

Is Tailwind red-900 accessible for text?

White text on red-900 has a contrast ratio of 10.06:1 and black text 2.09:1. WCAG AA needs 4.5:1 for normal text and 3:1 for large text, so white text is the better choice here.

How do I use red-900 in Tailwind CSS?

Add bg-red-900, text-red-900 or border-red-900 to an element. In your own CSS use var(--color-red-900), the CSS variable Tailwind v4 creates for every color.