Tailwind CSS v3 color

Tailwind orange-950 #431407

Tailwind CSS v3's orange-950 is #431407. It is a very dark muted brown in the brown family. In OKLCH it sits at lightness 0.266, chroma 0.076 and hue 36.3°. The nearest CSS named color is maroon (#800000), ΔE2000 13.5 away.

Relative luminance: 0.0171
OKLCH L · C · h: 0.266 · 0.076 · 36.3
Best text: White 15.65:1
Hue family: Brown

Inspect this color Check contrast

#431407 color codes

HEX: #431407
RGB: rgb(67, 20, 7)
HSL: hsl(13, 81%, 15%)
OKLCH: oklch(0.266 0.076 36.3)
OKLab: oklab(0.266 0.061 0.045)
CIELAB (D65): L* 13.88, a* 21.92, b* 18.30
XYZ (D65): X 2.60, Y 1.71, Z 0.39
CMYK (naive): cmyk(0%, 70%, 90%, 74%)

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 #431407 accessible?

White text on it reaches 15.65:1, passing AAA. Black text fails at 1.34:1.

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

1.34:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.34:1
White text on it

15.65:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −104
As text on black

1.34:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.34:1
As text on white

15.65:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +102

Nearest versions that pass 4.5:1

For text on white

#431407 15.65:1

It already reaches 15.65:1 on white, so no change is needed.
For text on black

#9F6758 4.55:1

Lightening its OKLCH lightness from 0.27 to 0.57 reaches 4.55:1 on black, keeping the hue.

Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #431407 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 #431407

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #431407 sits at step 900.

50#FFF2EE

White
1.09
Black
19.18
100#FFE5DD

White
1.19
Black
17.50
200#FFC9BA

White
1.46
Black
14.31
300#E8AE9E

White
1.91
Black
10.97
400#CB9181

White
2.65
Black
7.90
500#AF7666

White
3.74
Black
5.60
600#955F4F

White
5.21
Black
4.02
700#7C483A

White
7.38
Black
2.84
800#5F3125

White
10.75
Black
1.95
900This color#431407

White
15.65
Black
1.34
950#2B0A03

White
18.30
Black
1.14

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

Tailwind CSS v3 orange scale

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

50#FFF7ED
White
1.06
Black
19.77
100#FFEDD5
White
1.14
Black
18.32
200#FED7AA
White
1.35
Black
15.51
300#FDBA74
White
1.68
Black
12.45
400#FB923C
White
2.26
Black
9.27
500#F97316
White
2.80
Black
7.49
600#EA580C
White
3.55
Black
5.89
700#C2410C
White
5.17
Black
4.05
800#9A3412
White
7.30
Black
2.87
900#7C2D12
White
9.37
Black
2.24
950This color#431407

White
15.65
Black
1.34

Gamut

How vivid #431407 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.091; #431407 uses 84% of it. Display P3, which many recent phones and laptops show, reaches 0.103 there: 13% more.

sRGB
Display P3
Rec. 2020
Dominant wavelength

OKLCH chroma: 0.076
sRGB edge: 0.091
Display P3 edge: 0.103
Rec. 2020 edge: 0.103
Dominant wavelength: 600 nm
Excitation purity: 77%
Chromaticity: x 0.5532, y 0.3632

This color#431407
Most vivid in sRGB#480D00
Most vivid in Display P3oklch(0.266 0.103 36.3)

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

Use the wider color where screens show it

.accent {
  color: #431407;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.2694 0.0532 0); }
}

Mixing

Mixing #431407

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%#A18A83
OKLab50%#A0827A
OKLCH50%#A0827A

Black #000000

sRGB50%#220A04
OKLab50%#140301
OKLCH50%#140301

Its complement #002B34

sRGB50%#22201E
OKLab50%#2C2320
OKLCH50%#1E2A04

In CSS

/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #431407, white);
color: color-mix(in oklch, #431407 50%, white);

In use

#431407 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, 4.5:115.65:1 Passes
Link and body-size textText, 4.5:115.65:1 Passes
Large headingLarge text, 3:115.65:1 Passes
Icons, borders and focus ringsNon-text, 3:115.65:1 Passes

Dark page

Button labelText, 4.5:115.65:1 Passes
Link and body-size textText, 4.5:11.19:1 Fails
Large headingLarge text, 3:11.19:1 Fails
Icons, borders and focus ringsNon-text, 3:11.19:1 Fails

For text on this page, the nearest shade that passes is #A76F5F 4.53:1

Color vision

How #431407 looks with color blindness

Protanopia changes it most, ΔE2000 21.6; tritanopia changes it least, 6.5.

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

#211D06 ΔE2000 21.6

Distinct

Reads as very dark grayish brown
Deuteranopia

No working green (medium-wavelength) cones

#2D2706 ΔE2000 21.4

Distinct

Reads as very dark grayish brown
Tritanopia

No working blue (short-wavelength) cones

#4B0811 ΔE2000 6.5

Noticeable

Reads as very dark muted brown
Achromatopsia

No cone color vision; lightness only

#232323 ΔE2000 20.0

Distinct

Reads as near-black

Pairing check

Checked against its complement, #002B34. Their lightness contrast is only 1.03:1, so where hue collapses, add a label, icon or pattern.

Vision	The pair	ΔE2000	Verdict
Normal vision	#431407 · #002B34	37.6	Stays distinct
Protanopia	#211D06 · #252934	18.5	Stays distinct
Deuteranopia	#2D2706 · #1E2434	24.9	Stays distinct
Tritanopia	#4B0811 · #002E2E	39.2	Stays distinct
Achromatopsia	#232323 · #262626	0.9	Easily confused

Harmony

Color harmonies for #431407

Its complement is #002B34, a very dark grayish blue, on the cool side of the wheel.

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

Open the Harmony Studio

Base#431407
Complement#002B34

Complementary

Open in Harmony Studio

−30°#42111F
Base#431407
+30°#381E00

Analogous

Open in Harmony Studio

Base#431407
+120°#002E18
+240°#1C204A

Triadic

Open in Harmony Studio

Base#431407
+150°#002D29
+210°#002745

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-orange-950: #431407;
}

Tailwind config

// tailwind.config.js — already built in as orange-950;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        orange: { 950: '#431407' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own orange-950; this pins the v3 value. */
  --color-orange-950: oklch(0.266 0.076 36.3);
}

Design token (W3C DTCG)

{
  "color": {
    "orange-950": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.2627, 0.0784, 0.0275],
        "hex": "#431407"
      },
      "$description": "Tailwind CSS v3 orange-950"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let orange950 = Color(.sRGB, red: 0.263, green: 0.078, blue: 0.027, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Orange950 = Color(0xFF431407)
}

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 #431407 in the tools

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

Tailwind orange-950 #431407

#431407 color codes

Contrast: is #431407 accessible?

Black text on it

White text on it

As text on black

As text on white

Nearest versions that pass 4.5:1

Adjust #431407 live

Shades and tints of #431407

Tailwind CSS v3 orange scale

How vivid #431407 can get

Mixing #431407

#431407 in an interface

How #431407 looks with color blindness

Protanopia

Deuteranopia

Tritanopia

Achromatopsia

Pairing check

Color harmonies for #431407

Complementary

Analogous

Triadic

Split-complementary

Design tokens

CSS custom property

Tailwind config

Tailwind v4 theme

Design token (W3C DTCG)

SwiftUI color

Jetpack Compose color

The nearest match in each system

Similar colors

Open #431407 in the tools