Tailwind CSS v3 color

Tailwind gray-900 #111827

Tailwind CSS v3's gray-900 is #111827. It is a very dark grayish blue in the neutral family. In OKLCH it sits at lightness 0.210, chroma 0.032 and hue 264.7°. The nearest CSS named color is black (#000000), ΔE2000 10.5 away.

Relative luminance
0.0092
OKLCH L · C · h
0.210 · 0.032 · 264.7
Best text
White 17.73:1
Hue family
Neutral
Inspect this color Check contrast

#111827 color codes

HEX
#111827
RGB
rgb(17, 24, 39)
HSL
hsl(221, 39%, 11%)
OKLCH
oklch(0.210 0.032 264.7)
OKLab
oklab(0.210 -0.003 -0.032)
CIELAB (D65)
L* 8.30, a* 1.98, b* -11.30
XYZ (D65)
X 0.92, Y 0.92, Z 2.05
CMYK (naive)
cmyk(56%, 38%, 0%, 85%)

CIELAB and XYZ use the D65 white point; CSS lab() uses D50, so paste the OKLCH or HEX value into stylesheets. CMYK here is a plain formula with no press profile.

Legibility

Contrast: is #111827 accessible?

White text on it reaches 17.73:1, passing AAA. Black text fails at 1.18:1.

WCAG 2 gives the same ratio whichever color is the text; APCA does not, so its Lc changes sign and size with polarity.

Open the Contrast System

  • Black text on it

    1.18:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc 0

    Text is here, unreadable at 1.18:1

  • White text on it

    17.73:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −106

  • As text on black

    1.18:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc 0

    Text is here, unreadable at 1.18:1

  • As text on white

    17.73:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +104

Nearest versions that pass 4.5:1

  • For text on white

    #111827 17.73:1

    It already reaches 17.73:1 on white, so no change is needed.

  • For text on black

    #6B7588 4.52:1

    Lightening its OKLCH lightness from 0.21 to 0.56 reaches 4.52:1 on black, keeping the hue.

    Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #111827 live

Move lightness, chroma and hue in OKLCH, or drag on the map. The map is every lightness and chroma at the current hue: sRGB inside the solid area, Display P3 out to the dashed line.

The studio needs JavaScript.

Scale

Shades and tints of #111827

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #111827 sits at step 950.

  1. 50#F0F5FF
    White
    1.09
    Black
    19.21
  2. 100#E3EBFD
    White
    1.19
    Black
    17.56
  3. 200#CED8EB
    White
    1.43
    Black
    14.64
  4. 300#B4BED2
    White
    1.86
    Black
    11.23
  5. 400#98A2B6
    White
    2.56
    Black
    8.17
  6. 500#7D869A
    White
    3.65
    Black
    5.74
  7. 600#666F82
    White
    5.04
    Black
    4.16
  8. 700#4F586A
    White
    7.15
    Black
    2.93
  9. 800#384050
    White
    10.40
    Black
    2.01
  10. 900#222936
    White
    14.59
    Black
    1.43
  11. 950This color#111827
    White
    17.73
    Black
    1.18

Under each step, white and black text on it; a bold figure passes 4.5:1.

Tailwind CSS v3 gray scale

The real Tailwind palette, for comparison with the computed ramp above.

  1. 50#F9FAFB
    White
    1.04
    Black
    20.09
  2. 100#F3F4F6
    White
    1.10
    Black
    19.08
  3. 200#E5E7EB
    White
    1.23
    Black
    16.96
  4. 300#D1D5DB
    White
    1.47
    Black
    14.25
  5. 400#9CA3AF
    White
    2.53
    Black
    8.27
  6. 500#6B7280
    White
    4.83
    Black
    4.34
  7. 600#4B5563
    White
    7.55
    Black
    2.77
  8. 700#374151
    White
    10.30
    Black
    2.03
  9. 800#1F2937
    White
    14.67
    Black
    1.43
  10. 900This color#111827
    White
    17.73
    Black
    1.18
  11. 950#030712
    White
    20.13
    Black
    1.04

Gamut

How vivid #111827 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.145; #111827 uses 22% of it. Display P3 reaches no further at this hue.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.032
sRGB edge
0.145
Display P3 edge
0.145
Rec. 2020 edge
0.154
Dominant wavelength
474 nm
Excitation purity
38%
Chromaticity
x 0.2375, y 0.2362
  • This color#111827
  • Most vivid in sRGB#010059
  • Most vivid in Display P3oklch(0.210 0.145 264.7)

On a screen without Display P3 the last tile shows the sRGB edge instead.

Use the wider color where screens show it
.accent {
  color: #111827;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.0028 0 0.3342); }
}

Mixing

Mixing #111827

Each row is the same mix worked out in a different space, with the halfway color at its end. sRGB, which older CSS gradients use, can sag gray or dark in the middle; OKLab keeps the lightness steps even; OKLCH holds chroma and hue as it goes.

White #FFFFFF

  • sRGB50%#888C93
  • OKLab50%#7D828C
  • OKLCH50%#7D828C

Black #000000

  • sRGB50%#090C14
  • OKLab50%#020408
  • OKLCH50%#020408

Its complement #1F1706

  • sRGB50%#181817
  • OKLab50%#181818
  • OKLCH50%#061D17
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #111827, white);
color: color-mix(in oklch, #111827 50%, white);

In use

#111827 in an interface

A button, a link, a heading, a focused field, an icon and a chart line in this color, on a light page and a dark one. Each check is a WCAG 2 contrast minimum: 1.4.3 for text, 1.4.11 for the rest.

Light page

  • Button labelText, 4.5:117.73:1 Passes
  • Link and body-size textText, 4.5:117.73:1 Passes
  • Large headingLarge text, 3:117.73:1 Passes
  • Icons, borders and focus ringsNon-text, 3:117.73:1 Passes

Dark page

  • Button labelText, 4.5:117.73:1 Passes
  • Link and body-size textText, 4.5:11.05:1 Fails
  • Large headingLarge text, 3:11.05:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.05:1 Fails

For text on this page, the nearest shade that passes is #747D91 4.53:1

Color vision

How #111827 looks with color blindness

Tritanopia changes it most, ΔE2000 11.7; protanopia changes it least, 0.6.

Simulated with Machado et al. (2009) at full severity, in linear light.

Simulate a whole page What each type sees

  • Protanopia

    No working red (long-wavelength) cones

    #131928 ΔE2000 0.6

    Imperceptible

    Reads as very dark grayish blue

  • Deuteranopia

    No working green (medium-wavelength) cones

    #101727 ΔE2000 0.7

    Imperceptible

    Reads as very dark grayish blue

  • Tritanopia

    No working blue (short-wavelength) cones

    #091B1D ΔE2000 11.7

    Distinct

    Reads as very dark grayish teal

  • Achromatopsia

    No cone color vision; lightness only

    #181818 ΔE2000 9.2

    Noticeable

    Reads as near-black

Pairing check

A near-neutral has no complementary hue to pair with, so tell it apart from neighboring grays by lightness contrast alone.

Harmony

Color harmonies for #111827

Its complement is #1F1706, a very dark grayish brown.

Hue rotations in OKLCH, mapped into sRGB by trimming chroma so hue and lightness stay put.

Open the Harmony Studio
  • Base#111827
  • Complement#1F1706

Complementary

Open in Harmony Studio
  • −30°#081B25
  • Base#111827
  • +30°#191525

Analogous

Open in Harmony Studio
  • Base#111827
  • +120°#251211
  • +240°#0F1C0F

Triadic

Open in Harmony Studio
  • Base#111827
  • +150°#24140A
  • +210°#181A08

Split-complementary

Open in Harmony Studio

Code

Design tokens

Ready-to-paste tokens in six formats. Rename them to fit your system.

CSS custom property

:root {
  --color-gray-900: #111827;
}

Tailwind config

// tailwind.config.js — already built in as gray-900;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        gray: { 900: '#111827' },
      },
    },
  },
};

Tailwind v4 theme

/* app.css — Tailwind CSS v4 */
@import "tailwindcss";

@theme {
  /* v4 has its own gray-900; this pins the v3 value. */
  --color-gray-900: oklch(0.210 0.032 264.7);
}

Design token (W3C DTCG)

{
  "color": {
    "gray-900": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.0667, 0.0941, 0.1529],
        "hex": "#111827"
      },
      "$description": "Tailwind CSS v3 gray-900"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let gray900 = Color(.sRGB, red: 0.067, green: 0.094, blue: 0.153, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Gray900 = Color(0xFF111827)
}

Matches

The nearest match in each system

The closest CSS name, Tailwind shade, RAL Classic paint and Crayola crayon by ΔE2000; under 2 is hard to tell apart side by side. RAL and Crayola values approximate physical colors.

Neighbors

The eight nearest colors on this site by ΔE2000, closest first. Under 2 is hard to tell apart side by side.

Tools

Open #111827 in the tools

Each opens over this page. More colors live in the Color Library, and every color page is listed on the hub.