RAL Classic color

RAL 8023 Orange brown #A65E2E

RAL 8023 Orange brown is shown here as #A65E2E, a widely published sRGB approximation of the printed swatch. It is a soft orange in the brown family. In OKLCH it sits at lightness 0.556, chroma 0.113 and hue 51.9°. The nearest CSS named color is sienna (#A0522D), ΔE2000 5.1 away.

Relative luminance
0.1631
OKLCH L · C · h
0.556 · 0.113 · 51.9
Best text
White 4.92:1
Hue family
Brown
Inspect this color Check contrast

#A65E2E color codes

HEX
#A65E2E
RGB
rgb(166, 94, 46)
HSL
hsl(24, 57%, 42%)
OKLCH
oklch(0.556 0.113 51.9)
OKLab
oklab(0.556 0.069 0.089)
CIELAB (D65)
L* 47.38, a* 25.30, b* 39.28
XYZ (D65)
X 20.22, Y 16.31, Z 4.67
CMYK (naive)
cmyk(0%, 43%, 72%, 35%)

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.

RAL and RAL Classic are trademarks of RAL gGmbH, which this site is not affiliated with. The sRGB value is an approximation of the printed swatch; check a physical RAL color card before you specify a paint.

Legibility

Contrast: is #A65E2E accessible?

White text on it reaches 4.92:1, passing AA. Black text manages only 4.26:1, 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

    4.26:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc +30

  • White text on it

    4.92:1

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

  • As text on black

    4.26:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc −27

  • As text on white

    4.92:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc +73

Nearest versions that pass 4.5:1

  • For text on white

    #A65E2E 4.92:1

    It already reaches 4.92:1 on white, so no change is needed.

  • For text on black

    #AB6233 4.52:1

    Lightening its OKLCH lightness from 0.56 to 0.57 reaches 4.52:1 on black, keeping the hue.

    Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #A65E2E 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 #A65E2E

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #A65E2E sits at step 600.

  1. 50#FFF2EB
    White
    1.09
    Black
    19.15
  2. 100#FFE5D7
    White
    1.20
    Black
    17.44
  3. 200#FFCBAC
    White
    1.45
    Black
    14.39
  4. 300#F4AA7D
    White
    1.92
    Black
    10.89
  5. 400#D88D5F
    White
    2.65
    Black
    7.89
  6. 500#BB7142
    White
    3.78
    Black
    5.55
  7. 600This color#A65E2E
    White
    4.92
    Black
    4.26
  8. 700#864310
    White
    7.43
    Black
    2.82
  9. 800#662E00
    White
    10.73
    Black
    1.95
  10. 900#441C00
    White
    14.87
    Black
    1.41
  11. 950#280D00
    White
    18.29
    Black
    1.14

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

Gamut

How vivid #A65E2E can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.143; #A65E2E uses 79% of it. Display P3, which many recent phones and laptops show, reaches 0.163 there: 14% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.113
sRGB edge
0.143
Display P3 edge
0.163
Rec. 2020 edge
0.165
Dominant wavelength
590 nm
Excitation purity
69%
Chromaticity
x 0.4908, y 0.3959
  • This color#A65E2E
  • Most vivid in sRGB#B25500
  • Most vivid in Display P3oklch(0.556 0.163 51.9)

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

Use the wider color where screens show it
.accent {
  color: #a65e2e;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.6766 0.3346 0); }
}

Mixing

Mixing #A65E2E

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%#D3AF97
  • OKLab50%#D5AD96
  • OKLCH50%#D5AD96

Black #000000

  • sRGB50%#532F17
  • OKLab50%#3E1F0B
  • OKLCH50%#3E1F0B

Its complement #037EA9

  • sRGB50%#556E6C
  • OKLab50%#737373
  • OKLCH50%#4B8344
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #a65e2e, white);
color: color-mix(in oklch, #a65e2e 50%, white);

In use

#A65E2E 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, 4.5:14.92:1 Passes
  • Link and body-size textText, 4.5:14.92:1 Passes
  • Large headingLarge text, 3:14.92:1 Passes
  • Icons, borders and focus ringsNon-text, 3:14.92:1 Passes

Dark page

  • Button labelText, 4.5:14.92:1 Passes
  • Link and body-size textText, 4.5:13.80:1 Fails
  • Large headingLarge text, 3:13.80:1 Passes
  • Icons, borders and focus ringsNon-text, 3:13.80:1 Passes

For text on this page, the nearest shade that passes is #B56B3C 4.57:1

Color vision

How #A65E2E looks with color blindness

Achromatopsia changes it most, ΔE2000 23.4; tritanopia changes it least, 17.9.

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

    #736729 ΔE2000 20.6

    Distinct

    Reads as muted brown

  • Deuteranopia

    No working green (medium-wavelength) cones

    #84772D ΔE2000 21.5

    Distinct

    Reads as muted amber

  • Tritanopia

    No working blue (short-wavelength) cones

    #B64F53 ΔE2000 17.9

    Distinct

    Reads as soft red

  • Achromatopsia

    No cone color vision; lightness only

    #707070 ΔE2000 23.4

    Distinct

    Reads as gray

Pairing check

Checked against its complement, #037EA9. Their lightness contrast is only 1.07:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#A65E2E · #037EA944.5Stays distinct
Protanopia#736729 · #687DAB41.2Stays distinct
Deuteranopia#84772D · #546FA845.5Stays distinct
Tritanopia#B64F53 · #008A8D50.4Stays distinct
Achromatopsia#707070 · #7575752.0Easily confused

Harmony

Color harmonies for #A65E2E

Its complement is #037EA9, a soft 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#A65E2E
  • Complement#037EA9

Complementary

Open in Harmony Studio
  • −30°#AB5655
  • Base#A65E2E
  • +30°#946B07

Analogous

Open in Harmony Studio
  • Base#A65E2E
  • +120°#00876C
  • +240°#7566AF

Triadic

Open in Harmony Studio
  • Base#A65E2E
  • +150°#00838B
  • +210°#4E72B5

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-ral-8023: #a65e2e;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'ral-8023': '#a65e2e',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-ral-8023: oklch(0.556 0.113 51.9);
}

Design token (W3C DTCG)

{
  "color": {
    "ral-8023": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.651, 0.3686, 0.1804],
        "hex": "#a65e2e"
      },
      "$description": "RAL 8023 Orange brown (approximate sRGB)"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let ral8023 = Color(.sRGB, red: 0.651, green: 0.369, blue: 0.180, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Ral8023 = Color(0xFFA65E2E)
}

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 #A65E2E in the tools

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