RecolorOpen Recolor

A bluish black, white text passes AA

Tailwind zinc-950

The hex code of Tailwind zinc-950 is #09090b (rgb(9 9 11)), from its Tailwind CSS 4.3.3 value oklch(14.1% 0.005 285.823). White text on it reaches 19.90:1, passing WCAG AAA; below, Recolor (recolor.page) puts it on a page.

Last updated

#09090bzinc-950
From the theme file of Tailwind CSS 4.3.3 (--color-zinc-950), converted with Recolor's color code, October 9, 2026
FormatValue
OKLCH, as Tailwind writes itoklch(14.1% 0.005 285.823)
Hex#09090b
RGBrgb(9 9 11)
HSLhsl(240 10% 4%)
CSS variablevar(--color-zinc-950)
Nearest CSS nameblack #000000, 0.141 away in OKLab
White text19.90:1: AA passes, AAA passes, large text passes
Black text1.06:1: AA fails, AAA fails, large text fails

About zinc-950

Read as numbers, zinc-950 is lightness 14.1%, chroma 0.005 and hue 285.8 degrees; read by eye, it is a bluish black. Zinc-950 is the last and darkest of the eleven zinc shades, 6.9 points under zinc-900.

Its lightness is 4% in HSL and 14.1% in OKLCH, 10 points apart; only the second tracks how light it looks. No gamut mapping is needed here: oklch(14.1% 0.005 285.823) sits inside sRGB and #09090b matches it.

White on zinc-950 reads at 19.90:1, enough for AAA body text; black reaches 1.06:1 and should stay off it. On the zinc scale white text works from zinc-500 to zinc-950; zinc-950 has 5 shades of margin.

CSS has no keyword in its neighborhood; black (#000000) is the nearest, a long 0.141 away in OKLab.

Tints and shades

  1. #d0d0d0
  2. #a3a2a2
  3. #797777
  4. #504e4f
  5. #2b292a
  6. #09090b
  7. #060505
  8. #030303
  9. #010101

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. #09090b
  2. #b66395
  3. #cae9c2
  4. #5b506d
  5. #98ccce

Around zinc-950 as swatch 1, Recolor's generator made a free palette, hues spread around the wheel: #b66395, #cae9c2, #5b506d, #98ccce, drawn from a seed fixed by its hex. Open it in Recolor.

Using zinc-950

Pair it with text-white, 19.90:1; zinc-950 as text on a white page measures the same ratio. In CSS it is var(--color-zinc-950).

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

Common questions

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

Yes. White text measures 19.90:1 on zinc-950, above the 4.5:1 that WCAG AA asks of body text, and above AAA's 7:1 too.

Is Tailwind zinc-950 defined in OKLCH?

Yes. Tailwind CSS 4.3.3 defines it as --color-zinc-950: oklch(14.1% 0.005 285.823); #09090b is its conversion to sRGB.

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

No. The nearest CSS named color is black (#000000), 0.141 away in OKLab.

Sources