Tailwind CSS v3 color

Tailwind stone-700 #44403C

Tailwind CSS v3's stone-700 is #44403C. It is a dark gray in the neutral family. In OKLCH it sits at lightness 0.374 with chroma 0.009, too low for hue to matter. The nearest CSS named color is dimgray (#696969), ΔE2000 14.5 away.

Relative luminance: 0.0522
OKLCH L · C · h: 0.374 · 0.009 · 67.6
Best text: White 10.27:1
Hue family: Neutral

Inspect this color Check contrast

#44403C color codes

HEX: #44403C
RGB: rgb(68, 64, 60)
HSL: hsl(30, 6%, 25%)
OKLCH: oklch(0.374 0.009 67.6)
OKLab: oklab(0.374 0.003 0.008)
CIELAB (D65): L* 27.36, a* 0.87, b* 3.06
XYZ (D65): X 5.03, Y 5.22, Z 5.02
CMYK (naive): cmyk(0%, 6%, 12%, 73%)

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 #44403C accessible?

White text on it reaches 10.27:1, passing AAA. Black text fails at 2.04:1.

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

2.04:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc +10
White text on it

10.27:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −97
As text on black

2.04:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc −8
As text on white

10.27:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +93

Nearest versions that pass 4.5:1

For text on white

#44403C 10.27:1

It already reaches 10.27:1 on white, so no change is needed.
For text on black

#797570 4.59:1

Lightening its OKLCH lightness from 0.37 to 0.56 reaches 4.59:1 on black, keeping the hue.

Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #44403C 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 #44403C

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #44403C sits at step 800.

50#F8F4F0

White
1.09
Black
19.18
100#EEEAE6

White
1.19
Black
17.54
200#DBD7D2
White
1.43
Black
14.66
300#C1BDB8

White
1.86
Black
11.23
400#A5A19C

White
2.56
Black
8.17
500#8A8581

White
3.65
Black
5.75
600#726E69

White
5.06
Black
4.14
700#5B5753

White
7.15
Black
2.93
800This color#44403C

White
10.27
Black
2.04
900#2B2825

White
14.65
Black
1.43
950#181613

White
18.05
Black
1.16

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

Tailwind CSS v3 stone scale

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

50#FAFAF9
White
1.04
Black
20.10
100#F5F5F4
White
1.09
Black
19.24
200#E7E5E4
White
1.25
Black
16.72
300#D6D3D1
White
1.48
Black
14.09
400#A8A29E
White
2.52
Black
8.32
500#78716C
White
4.79
Black
4.37
600#57534E
White
7.62
Black
2.75
700This color#44403C

White
10.27
Black
2.04
800#292524
White
15.16
Black
1.38
900#1C1917
White
17.48
Black
1.20
950#0C0A09
White
19.75
Black
1.06

Gamut

How vivid #44403C can get

A gray has no hue, so no gamut holds a more vivid version of #44403C: more chroma would make it another color.

sRGB
Display P3
Rec. 2020
Dominant wavelength

OKLCH chroma: 0.009
sRGB edge: No hue
Display P3 edge: No hue
Rec. 2020 edge: No hue
Dominant wavelength: 580 nm
Excitation purity: 8%
Chromaticity: x 0.3296, y 0.3419

Mixing

Mixing #44403C

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%#A2A09E
OKLab50%#9C9A98
OKLCH50%#9C9A98

Black #000000

sRGB50%#22201E
OKLab50%#141311
OKLCH50%#141311

In CSS

/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #44403c, white);
color: color-mix(in oklch, #44403c 50%, white);

In use

#44403C 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, 4.5:110.27:1 Passes
Link and body-size textText, 4.5:110.27:1 Passes
Large headingLarge text, 3:110.27:1 Passes
Icons, borders and focus ringsNon-text, 3:110.27:1 Passes

Dark page

Button labelText, 4.5:110.27:1 Passes
Link and body-size textText, 4.5:11.82:1 Fails
Large headingLarge text, 3:11.82:1 Fails
Icons, borders and focus ringsNon-text, 3:11.82:1 Fails

For text on this page, the nearest shade that passes is #817C78 4.53:1

Color vision

How #44403C looks with color blindness

As a neutral it barely changes under any simulation, ΔE2000 3.6 at most.

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

#41403C ΔE2000 2.0

Very close

Reads as dark gray
Deuteranopia

No working green (medium-wavelength) cones

#42413C ΔE2000 2.2

Close match

Reads as dark gray
Tritanopia

No working blue (short-wavelength) cones

#463F3F ΔE2000 3.6

Close match

Reads as dark gray
Achromatopsia

No cone color vision; lightness only

#414141 ΔE2000 3.1

Close match

Reads as dark gray

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 #44403C

A neutral has no hue to rotate, so every harmony collapses back to the same gray. Pair it with an accent color instead.

Or pair it by lightness: steps of its own scale as text on it, and what each can carry.

Build a lightness scale in Harmony Studio

Step 50 #F8F4F0 · 9.38:1

Body text, AAA
Step 300 #C1BDB8 · 5.49:1

Body text, AA
Step 700 #5B5753 · 1.43:1

Decoration only, under 3:1

Code

Design tokens

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

CSS custom property

:root {
  --color-stone-700: #44403c;
}

Tailwind config

// tailwind.config.js — already built in as stone-700;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        stone: { 700: '#44403c' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own stone-700; this pins the v3 value. */
  --color-stone-700: oklch(0.374 0.009 67.6);
}

Design token (W3C DTCG)

{
  "color": {
    "stone-700": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.2667, 0.251, 0.2353],
        "hex": "#44403c"
      },
      "$description": "Tailwind CSS v3 stone-700"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let stone700 = Color(.sRGB, red: 0.267, green: 0.251, blue: 0.235, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Stone700 = Color(0xFF44403C)
}

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.

Tools

Open #44403C in the tools

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