Tailwind CSS v3 color

Tailwind rose-700 #BE123C

Tailwind CSS v3's rose-700 is #BE123C. It is a vivid red in the red family. In OKLCH it sits at lightness 0.514, chroma 0.198 and hue 16.9°. The nearest CSS named color is crimson (#DC143C), ΔE2000 6.9 away.

Relative luminance
0.1171
OKLCH L · C · h
0.514 · 0.198 · 16.9
Best text
White 6.28:1
Hue family
Red
Inspect this color Check contrast

#BE123C color codes

HEX
#BE123C
RGB
rgb(190, 18, 60)
HSL
hsl(345, 83%, 41%)
OKLCH
oklch(0.514 0.198 16.9)
OKLab
oklab(0.514 0.189 0.058)
CIELAB (D65)
L* 40.75, a* 63.63, b* 24.54
XYZ (D65)
X 22.27, Y 11.71, Z 5.36
CMYK (naive)
cmyk(0%, 91%, 68%, 25%)

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 #BE123C accessible?

White text on it reaches 6.28:1, passing AA. Black text manages only 3.34:1, enough for large text only.

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

    3.34:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc +24

  • White text on it

    6.28:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc −84

  • As text on black

    3.34:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc −22

  • As text on white

    6.28:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc +79

Nearest versions that pass 4.5:1

  • For text on white

    #BE123C 6.28:1

    It already reaches 6.28:1 on white, so no change is needed.

  • For text on black

    #D93651 4.59:1

    Lightening its OKLCH lightness from 0.51 to 0.59 reaches 4.59:1 on black, keeping the hue.

    Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #BE123C 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 #BE123C

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #BE123C sits at step 600.

  1. 50#FFF1F1
    White
    1.09
    Black
    19.10
  2. 100#FFE4E4
    White
    1.20
    Black
    17.46
  3. 200#FFC7C8
    White
    1.47
    Black
    14.25
  4. 300#FF9FA3
    White
    1.95
    Black
    10.74
  5. 400#FF6877
    White
    2.80
    Black
    7.49
  6. 500#E4425A
    White
    4.01
    Black
    5.22
  7. 600This color#BE123C
    White
    6.28
    Black
    3.34
  8. 700#A60031
    White
    7.87
    Black
    2.66
  9. 800#7B0022
    White
    11.25
    Black
    1.86
  10. 900#530014
    White
    15.24
    Black
    1.37
  11. 950#320008
    White
    18.43
    Black
    1.13

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. 700This color#BE123C
    White
    6.28
    Black
    3.34
  9. 800#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 #BE123C can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.206; #BE123C uses 96% of it. Display P3, which many recent phones and laptops show, reaches 0.232 there: 13% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.198
sRGB edge
0.206
Display P3 edge
0.232
Rec. 2020 edge
0.271
Dominant wavelength
643 nm
Excitation purity
62%
Chromaticity
x 0.5661, y 0.2976
  • This color#BE123C
  • Most vivid in sRGB#C1003A
  • Most vivid in Display P3oklch(0.514 0.232 16.9)

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

Use the wider color where screens show it
.accent {
  color: #be123c;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.7244 0 0.2174); }
}

Mixing

Mixing #BE123C

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%#DF899E
  • OKLab50%#E8969A
  • OKLCH50%#E8969A

Black #000000

  • sRGB50%#5F091E
  • OKLab50%#480211
  • OKLCH50%#480211

Its complement #007678

  • sRGB50%#5F445A
  • OKLab50%#845A5C
  • OKLCH50%#6F6B00
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #be123c, white);
color: color-mix(in oklch, #be123c 50%, white);

In use

#BE123C 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, 4.5:16.28:1 Passes
  • Link and body-size textText, 4.5:16.28:1 Passes
  • Large headingLarge text, 3:16.28:1 Passes
  • Icons, borders and focus ringsNon-text, 3:16.28:1 Passes

Dark page

  • Button labelText, 4.5:16.28:1 Passes
  • Link and body-size textText, 4.5:12.98:1 Fails
  • Large headingLarge text, 3:12.98:1 Fails
  • Icons, borders and focus ringsNon-text, 3:12.98:1 Fails

For text on this page, the nearest shade that passes is #E24058 4.55:1

Color vision

How #BE123C looks with color blindness

Deuteranopia changes it most, ΔE2000 40.4; 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

    #4E4A3C ΔE2000 32.2

    Distinct

    Reads as dark grayish brown

  • Deuteranopia

    No working green (medium-wavelength) cones

    #776C37 ΔE2000 40.4

    Distinct

    Reads as muted brown

  • Tritanopia

    No working blue (short-wavelength) cones

    #D10027 ΔE2000 7.7

    Noticeable

    Reads as vivid red

  • Achromatopsia

    No cone color vision; lightness only

    #606060 ΔE2000 27.1

    Distinct

    Reads as dark gray

Pairing check

Checked against its complement, #007678. Their lightness contrast is only 1.15:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#BE123C · #00767855.0Stays distinct
Protanopia#4E4A3C · #6D707818.5Stays distinct
Deuteranopia#776C37 · #5E657930.2Stays distinct
Tritanopia#D10027 · #007B7657.5Stays distinct
Achromatopsia#606060 · #6A6A6A3.7Easily confused

Harmony

Color harmonies for #BE123C

Its complement is #007678, a 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#BE123C
  • Complement#007678

Complementary

Open in Harmony Studio
  • −30°#B01E7D
  • Base#BE123C
  • +30°#A64600

Analogous

Open in Harmony Studio
  • Base#BE123C
  • +120°#357A00
  • +240°#0062CD

Triadic

Open in Harmony Studio
  • Base#BE123C
  • +150°#007A5A
  • +210°#007293

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-700: #be123c;
}

Tailwind config

// tailwind.config.js — already built in as rose-700;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        rose: { 700: '#be123c' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own rose-700; this pins the v3 value. */
  --color-rose-700: oklch(0.514 0.198 16.9);
}

Design token (W3C DTCG)

{
  "color": {
    "rose-700": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.7451, 0.0706, 0.2353],
        "hex": "#be123c"
      },
      "$description": "Tailwind CSS v3 rose-700"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let rose700 = Color(.sRGB, red: 0.745, green: 0.071, blue: 0.235, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Rose700 = Color(0xFFBE123C)
}

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 #BE123C in the tools

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