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A vivid dark red, white text passes AA

Tailwind red-800

The hex code of Tailwind red-800 is #9f0712 (rgb(159 7 18)), from its Tailwind CSS 4.3.3 value oklch(44.4% 0.177 26.899). White text on it reaches 8.36:1, passing WCAG AAA; below, Recolor (recolor.page) puts it on a page.

Last updated

#9f0712red-800
From the theme file of Tailwind CSS 4.3.3 (--color-red-800), converted with Recolor's color code, October 9, 2026
FormatValue
OKLCH, as Tailwind writes itoklch(44.4% 0.177 26.899)
Hex#9f0712
RGBrgb(159 7 18)
HSLhsl(356 92% 33%)
CSS variablevar(--color-red-800)
Nearest CSS namebrown #a52a2a, 0.040 away in OKLab
White text8.36:1: AA passes, AAA passes, large text passes
Black text2.51:1: AA fails, AAA fails, large text fails

About red-800

Read as numbers, red-800 is lightness 44.4%, chroma 0.177 and hue 26.9 degrees; read by eye, it is a vivid dark red. Its neighbors on the red scale are red-700, 6.1 points lighter, and red-900, 4.8 points darker.

HSL calls its lightness 33%, OKLCH 44.4%: 12 points between a formula and a measure of what the eye sees. No gamut mapping is needed here: oklch(44.4% 0.177 26.899) sits inside sRGB and #9f0712 matches it.

White on red-800 reads at 8.36:1, enough for AAA body text; black reaches 2.51:1 and should stay off it. White text passes on every red shade from red-600 down, so red-800 is 2 shades past the line.

Of the named colors, brown (#a52a2a) is the nearest, 0.040 away in OKLab; next to each other the two still differ.

Tints and shades

  1. #f4dad6
  2. #e6b5ae
  3. #d79087
  4. #c76b62
  5. #b4433c
  6. #9f0712
  7. #7c040b
  8. #5a0206
  9. #3b0102
  10. #1e0001
  11. #050000

From light to dark: 5 toward white and 5 toward black, mixed in OKLCH a sixth of the way at a time with the hue kept. A step that would repeat its neighbor is left out.

A palette around it

  1. #9f0712
  2. #dd9f9f
  3. #2e1715
  4. #b77e6c
  5. #ffe3cf

Around red-800 as swatch 1, Recolor's generator made an analogous palette, hues next to each other on the wheel: #dd9f9f, #2e1715, #b77e6c, #ffe3cf, drawn from a seed fixed by its hex. Open it in Recolor.

Using red-800

Pair it with text-white, 8.36:1; red-800 as text on a white page measures the same ratio. In CSS it is var(--color-red-800).

HTML
<a class="bg-red-800 text-white" href="/start">Get started</a>
<p class="text-red-800">Text in red-800</p>

Common questions

Does white text pass WCAG AA on Tailwind red-800?

Yes. White text measures 8.36:1 on red-800, above the 4.5:1 that WCAG AA asks of body text, and above AAA's 7:1 too.

Is Tailwind red-800 defined in OKLCH?

Yes. Tailwind CSS 4.3.3 defines it as --color-red-800: oklch(44.4% 0.177 26.899); #9f0712 is its conversion to sRGB.

Is there a CSS named color for Tailwind red-800?

No. The nearest CSS named color is brown (#a52a2a), 0.040 away in OKLab.

Sources