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A very dark gray, white text passes AA

Tailwind stone-950

In Tailwind CSS 4.3.3, stone-950 is defined as oklch(14.7% 0.004 49.25); in hex that is #0c0a09, or rgb(12 10 9). White text on it reaches 19.76:1, passing WCAG AAA, and Recolor (recolor.page) can show it on a real page.

Last updated

#0c0a09stone-950
From the theme file of Tailwind CSS 4.3.3 (--color-stone-950), converted with Recolor's color code, October 9, 2026
FormatValue
OKLCH, as Tailwind writes itoklch(14.7% 0.004 49.25)
Hex#0c0a09
RGBrgb(12 10 9)
HSLhsl(20 14% 4%)
CSS variablevar(--color-stone-950)
Nearest CSS nameblack #000000, 0.147 away in OKLab
White text19.76:1: AA passes, AAA passes, large text passes
Black text1.06:1: AA fails, AAA fails, large text fails

About stone-950

In OKLCH, stone-950 has a lightness of 14.7%, a chroma of 0.004 and a hue of 49.3 degrees, which makes it a very dark gray. Stone-950 is the last and darkest of the eleven stone shades, 6.9 points under stone-900.

Its lightness is 4% in HSL and 14.7% in OKLCH, 11 points apart; only the second tracks how light it looks. The value lies inside sRGB, the gamut of a hex code, so stone-950 converts to #0c0a09 without losing chroma.

For text, stone-950 wants white: 19.76:1 clears even AAA's 7:1, and black at 1.06:1 fails AA. On the stone scale white text works from stone-500 to stone-950; stone-950 has 5 shades of margin.

CSS has no keyword in its neighborhood; black (#000000) is the nearest, a long 0.147 away in OKLab.

Tints and shades

  1. #d1d0d0
  2. #a4a3a3
  3. #797878
  4. #514f50
  5. #2d2a2b
  6. #0c0a09
  7. #070606
  8. #040303
  9. #020101

From light to dark: 5 toward white and 3 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. #0c0a09
  2. #b18476
  3. #e0fbe4
  4. #655180
  5. #a6c3d4

Locked as the first of five swatches, stone-950 gets #b18476, #e0fbe4, #655180, #a6c3d4 from Recolor's generator, a free palette, hues spread around the wheel. The seed is its hex, so the palette stays the same. Open it in Recolor.

Using stone-950

Pair it with text-white, 19.76:1; stone-950 as text on a white page measures the same ratio. In CSS it is var(--color-stone-950).

HTML
<a class="bg-stone-950 text-white" href="/start">Get started</a>
<p class="text-stone-950">Text in stone-950</p>

Common questions

Does white text pass WCAG AA on Tailwind stone-950?

Yes. White text measures 19.76:1 on stone-950, above the 4.5:1 that WCAG AA asks of body text, and above AAA's 7:1 too.

Is Tailwind stone-950 defined in OKLCH?

Yes. Tailwind CSS 4.3.3 defines it as --color-stone-950: oklch(14.7% 0.004 49.25); #0c0a09 is its conversion to sRGB.

Is there a CSS named color for Tailwind stone-950?

No. The nearest CSS named color is black (#000000), 0.147 away in OKLab.

Sources