Tailwind CSS v3 color

Tailwind rose-800 #9F1239

Tailwind CSS v3's rose-800 is #9F1239. It is a dark vivid wine in the pink family. In OKLCH it sits at lightness 0.455, chroma 0.171 and hue 13.7°. The nearest CSS named color is brown (#A52A2A), ΔE2000 8.9 away.

Relative luminance
0.0810
OKLCH L · C · h
0.455 · 0.171 · 13.7
Best text
White 8.01:1
Hue family
Pink
Inspect this color Check contrast

#9F1239 color codes

HEX
#9F1239
RGB
rgb(159, 18, 57)
HSL
hsl(343, 80%, 35%)
OKLCH
oklch(0.455 0.171 13.7)
OKLab
oklab(0.455 0.166 0.041)
CIELAB (D65)
L* 34.19, a* 55.37, b* 16.73
XYZ (D65)
X 15.25, Y 8.10, Z 4.63
CMYK (naive)
cmyk(0%, 89%, 64%, 38%)

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 #9F1239 accessible?

White text on it reaches 8.01:1, passing AAA. Black text fails at 2.61:1.

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

    2.61:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +18

  • White text on it

    8.01:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −90

  • As text on black

    2.61:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −16

  • As text on white

    8.01:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +85

Nearest versions that pass 4.5:1

  • For text on white

    #9F1239 8.01:1

    It already reaches 8.01:1 on white, so no change is needed.

  • For text on black

    #CC445D 4.55:1

    Lightening its OKLCH lightness from 0.45 to 0.58 reaches 4.55:1 on black, keeping the hue.

    Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #9F1239 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 #9F1239

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #9F1239 sits at step 700.

  1. 50#FFF1F2
    White
    1.09
    Black
    19.11
  2. 100#FFE3E5
    White
    1.20
    Black
    17.37
  3. 200#FFC7CB
    White
    1.47
    Black
    14.28
  4. 300#FF9EA7
    White
    1.96
    Black
    10.70
  5. 400#F76E82
    White
    2.79
    Black
    7.50
  6. 500#D95067
    White
    3.96
    Black
    5.29
  7. 600#BC3650
    White
    5.55
    Black
    3.78
  8. 700This color#9F1239
    White
    8.01
    Black
    2.61
  9. 800#7B0027
    White
    11.22
    Black
    1.87
  10. 900#520018
    White
    15.30
    Black
    1.37
  11. 950#32000B
    White
    18.41
    Black
    1.14

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

Tailwind CSS v3 rose scale

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

  1. 50#FFF1F2
    White
    1.09
    Black
    19.11
  2. 100#FFE4E6
    White
    1.20
    Black
    17.49
  3. 200#FECDD3
    White
    1.41
    Black
    14.88
  4. 300#FDA4AF
    White
    1.89
    Black
    11.10
  5. 400#FB7185
    White
    2.69
    Black
    7.80
  6. 500#F43F5E
    White
    3.67
    Black
    5.71
  7. 600#E11D48
    White
    4.69
    Black
    4.47
  8. 700#BE123C
    White
    6.28
    Black
    3.34
  9. 800This color#9F1239
    White
    8.01
    Black
    2.61
  10. 900#881337
    White
    9.56
    Black
    2.19
  11. 950#4C0519
    White
    15.63
    Black
    1.34

Gamut

How vivid #9F1239 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.182; #9F1239 uses 94% of it. Display P3, which many recent phones and laptops show, reaches 0.205 there: 13% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.171
sRGB edge
0.182
Display P3 edge
0.205
Rec. 2020 edge
0.240
Dominant wavelength
Complementary 493 nm
Excitation purity
57%
Chromaticity
x 0.5451, y 0.2895
  • This color#9F1239
  • Most vivid in sRGB#A30037
  • Most vivid in Display P3oklch(0.455 0.205 13.7)

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

Use the wider color where screens show it
.accent {
  color: #9f1239;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.6101 0 0.2077); }
}

Mixing

Mixing #9F1239

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%#CF899C
  • OKLab50%#D79197
  • OKLCH50%#D79197

Black #000000

  • sRGB50%#50091D
  • OKLab50%#3B0210
  • OKLCH50%#3B0210

Its complement #006463

  • sRGB50%#503B4E
  • OKLab50%#6E4C4F
  • OKLCH50%#605800
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #9f1239, white);
color: color-mix(in oklch, #9f1239 50%, white);

In use

#9F1239 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, 4.5:18.01:1 Passes
  • Link and body-size textText, 4.5:18.01:1 Passes
  • Large headingLarge text, 3:18.01:1 Passes
  • Icons, borders and focus ringsNon-text, 3:18.01:1 Passes

Dark page

  • Button labelText, 4.5:18.01:1 Passes
  • Link and body-size textText, 4.5:12.33:1 Fails
  • Large headingLarge text, 3:12.33:1 Fails
  • Icons, borders and focus ringsNon-text, 3:12.33:1 Fails

For text on this page, the nearest shade that passes is #D54D64 4.52:1

Color vision

How #9F1239 looks with color blindness

Deuteranopia changes it most, ΔE2000 36.3; tritanopia changes it least, 7.7.

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

    #403E39 ΔE2000 27.9

    Distinct

    Reads as dark gray

  • Deuteranopia

    No working green (medium-wavelength) cones

    #625A35 ΔE2000 36.3

    Distinct

    Reads as dark muted brown

  • Tritanopia

    No working blue (short-wavelength) cones

    #AF0025 ΔE2000 7.7

    Noticeable

    Reads as dark vivid red

  • Achromatopsia

    No cone color vision; lightness only

    #505050 ΔE2000 25.8

    Distinct

    Reads as dark gray

Pairing check

Checked against its complement, #006463. Their lightness contrast is only 1.14:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#9F1239 · #00646352.4Stays distinct
Protanopia#403E39 · #5D5E6312.6Stays distinct
Deuteranopia#625A35 · #50556424.5Stays distinct
Tritanopia#AF0025 · #00686354.2Stays distinct
Achromatopsia#505050 · #5959593.2Easily confused

Harmony

Color harmonies for #9F1239

Its complement is #006463, a dark muted teal, 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#9F1239
  • Complement#006463

Complementary

Open in Harmony Studio
  • −30°#921D6E
  • Base#9F1239
  • +30°#903600

Analogous

Open in Harmony Studio
  • Base#9F1239
  • +120°#366500
  • +240°#0056A3

Triadic

Open in Harmony Studio
  • Base#9F1239
  • +150°#006747
  • +210°#006079

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-rose-800: #9f1239;
}

Tailwind config

// tailwind.config.js — already built in as rose-800;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        rose: { 800: '#9f1239' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own rose-800; this pins the v3 value. */
  --color-rose-800: oklch(0.455 0.171 13.7);
}

Design token (W3C DTCG)

{
  "color": {
    "rose-800": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.6235, 0.0706, 0.2235],
        "hex": "#9f1239"
      },
      "$description": "Tailwind CSS v3 rose-800"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let rose800 = Color(.sRGB, red: 0.624, green: 0.071, blue: 0.224, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Rose800 = Color(0xFF9F1239)
}

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 #9F1239 in the tools

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