RAL Classic color

RAL 2008 Bright red orange #F75E25

RAL 2008 Bright red orange is shown here as #F75E25, a widely published sRGB approximation of the printed swatch. It is a light vivid red in the red family. In OKLCH it sits at lightness 0.675, chroma 0.199 and hue 38.7°. The nearest CSS named color is orangered (#FF4500), ΔE2000 3.7 away.

Relative luminance
0.2791
OKLCH L · C · h
0.675 · 0.199 · 38.7
Best text
Black 6.58:1
Hue family
Red

#F75E25 color codes

HEX
#F75E25
RGB
rgb(247, 94, 37)
HSL
hsl(16, 93%, 56%)
OKLCH
oklch(0.675 0.199 38.7)
OKLab
oklab(0.675 0.155 0.124)
CIELAB (D65)
L* 59.82, a* 56.15, b* 59.62
XYZ (D65)
X 42.70, Y 27.92, Z 4.89
CMYK (naive)
cmyk(0%, 62%, 85%, 3%)

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 #F75E25 accessible?

Black text on it reaches 6.58:1, passing AA. White text manages only 3.19:1, 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

    6.58:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc +45
  • White text on it

    3.19:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc −63
  • As text on black

    6.58:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc −43
  • As text on white

    3.19:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc +58

Nearest versions that pass 4.5:1

  • For text on white

    #D34400 4.56:1

    Darkening its OKLCH lightness from 0.67 to 0.58 reaches 4.56:1 on white, keeping the hue.

  • For text on black

    #F75E25 6.58:1

    It already reaches 6.58:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #F75E25 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 #F75E25

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #F75E25 sits at step 400.

  1. 50#FFF2EE
    White
    1.09
    Black
    19.18
  2. 100#FFE5DC
    White
    1.20
    Black
    17.49
  3. 200#FFC9B8
    White
    1.46
    Black
    14.29
  4. 300#FFA385
    White
    1.93
    Black
    10.82
  5. 400This color#F75E25
    White
    3.19
    Black
    6.58
  6. 500#E34B03
    White
    3.98
    Black
    5.27
  7. 600#BD3C00
    White
    5.51
    Black
    3.81
  8. 700#982F00
    White
    7.65
    Black
    2.74
  9. 800#712000
    White
    11.00
    Black
    1.90
  10. 900#4C1300
    White
    14.99
    Black
    1.40
  11. 950#2D0700
    White
    18.38
    Black
    1.14

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

Gamut

How vivid #F75E25 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.218; #F75E25 uses 91% of it. Display P3, which many recent phones and laptops show, reaches 0.246 there: 13% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.199
sRGB edge
0.218
Display P3 edge
0.246
Rec. 2020 edge
0.246
Dominant wavelength
599 nm
Excitation purity
82%
Chromaticity
x 0.5655, y 0.3697
  • This color#F75E25
  • Most vivid in sRGB#FF5400
  • Most vivid in Display P3oklch(0.675 0.246 38.7)

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

Use the wider color where screens show it
.accent {
  color: #f75e25;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.9615 0.3319 0); }
}

Mixing

Mixing #F75E25

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%#FBAF92
  • OKLab50%#FFB49A
  • OKLCH50%#FFB59D

Black #000000

  • sRGB50%#7C2F13
  • OKLab50%#601F08
  • OKLCH50%#601F08

Its complement #00A8C9

  • sRGB50%#7C8377
  • OKLab50%#AD8F86
  • OKLCH50%#78A92A
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #f75e25, white);
color: color-mix(in oklch, #f75e25 50%, white);

In use

#F75E25 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, 4.5:16.58:1 Passes
  • Link and body-size textText, 4.5:13.19:1 Fails
  • Large headingLarge text, 3:13.19:1 Passes
  • Icons, borders and focus ringsNon-text, 3:13.19:1 Passes

For text on this page, the nearest shade that passes is #D34400 4.56:1

Dark page

  • Button labelText, 4.5:16.58:1 Passes
  • Link and body-size textText, 4.5:15.87:1 Passes
  • Large headingLarge text, 3:15.87:1 Passes
  • Icons, borders and focus ringsNon-text, 3:15.87:1 Passes

Color vision

How #F75E25 looks with color blindness

Deuteranopia changes it most, ΔE2000 36.7; tritanopia changes it least, 17.2.

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

    #8A7B1A ΔE2000 35.5

    Distinct

    Reads as soft amber

  • Deuteranopia

    No working green (medium-wavelength) cones

    #B09D1C ΔE2000 36.7

    Distinct

    Reads as light soft yellow

  • Tritanopia

    No working blue (short-wavelength) cones

    #FF3453 ΔE2000 17.2

    Distinct

    Reads as vivid red

  • Achromatopsia

    No cone color vision; lightness only

    #909090 ΔE2000 28.8

    Distinct

    Reads as gray

Pairing check

Checked against its complement, #00A8C9. Their lightness contrast is only 1.13:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#F75E25 · #00A8C960.8Stays distinct
Protanopia#8A7B1A · #93A3CB44.5Stays distinct
Deuteranopia#B09D1C · #7D93C949.3Stays distinct
Tritanopia#FF3453 · #00B3B363.7Stays distinct
Achromatopsia#909090 · #9A9A9A3.3Easily confused

Harmony

Color harmonies for #F75E25

Its complement is #00A8C9, a light 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#F75E25
  • Complement#00A8C9

Complementary

Open in Harmony Studio
  • −30°#F6547E
  • Base#F75E25
  • +30°#D08300
  • Base#F75E25
  • +120°#00B372
  • +240°#8187FF
  • Base#F75E25
  • +150°#00ADA5
  • +210°#129BFF

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-2008: #f75e25;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'ral-2008': '#f75e25',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-ral-2008: oklch(0.675 0.199 38.7);
}

Design token (W3C DTCG)

{
  "color": {
    "ral-2008": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.9686, 0.3686, 0.1451],
        "hex": "#f75e25"
      },
      "$description": "RAL 2008 Bright red orange (approximate sRGB)"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let ral2008 = Color(.sRGB, red: 0.969, green: 0.369, blue: 0.145, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Ral2008 = Color(0xFFF75E25)
}

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 #F75E25 in the tools

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