RAL Classic color

RAL 5010 Gentian blue #0E294B

RAL 5010 Gentian blue is shown here as #0E294B, a widely published sRGB approximation of the printed swatch. It is a very dark muted blue in the blue family. In OKLCH it sits at lightness 0.281, chroma 0.071 and hue 255.6°. The nearest CSS named color is midnightblue (#191970), ΔE2000 10.6 away.

Relative luminance
0.0219
OKLCH L · C · h
0.281 · 0.071 · 255.6
Best text
White 14.60:1
Hue family
Blue
Inspect this color Check contrast

#0E294B color codes

HEX
#0E294B
RGB
rgb(14, 41, 75)
HSL
hsl(213, 69%, 17%)
OKLCH
oklch(0.281 0.071 255.6)
OKLab
oklab(0.281 -0.018 -0.069)
CIELAB (D65)
L* 16.44, a* 3.60, b* -24.03
XYZ (D65)
X 2.24, Y 2.19, Z 6.96
CMYK (naive)
cmyk(81%, 45%, 0%, 71%)

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 #0E294B accessible?

White text on it reaches 14.60:1, passing AAA. Black text fails at 1.43:1.

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

    1.43:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc 0

    Text is here, unreadable at 1.43:1

  • White text on it

    14.60:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −104

  • As text on black

    1.43:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc 0

    Text is here, unreadable at 1.43:1

  • As text on white

    14.60:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +101

Nearest versions that pass 4.5:1

  • For text on white

    #0E294B 14.60:1

    It already reaches 14.60:1 on white, so no change is needed.

  • For text on black

    #59769E 4.50:1

    Lightening its OKLCH lightness from 0.28 to 0.56 reaches 4.50:1 on black, keeping the hue.

    Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #0E294B 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 #0E294B

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #0E294B sits at step 900.

  1. 50#EFF6FF
    White
    1.08
    Black
    19.29
  2. 100#DFEDFF
    White
    1.18
    Black
    17.69
  3. 200#BEDAFF
    White
    1.43
    Black
    14.66
  4. 300#A2C0E9
    White
    1.86
    Black
    11.25
  5. 400#85A4CD
    White
    2.56
    Black
    8.18
  6. 500#6A88B1
    White
    3.63
    Black
    5.76
  7. 600#537097
    White
    5.08
    Black
    4.13
  8. 700#3E597E
    White
    7.15
    Black
    2.93
  9. 800#284162
    White
    10.38
    Black
    2.02
  10. 900This color#0E294B
    White
    14.60
    Black
    1.43
  11. 950#04162E
    White
    18.11
    Black
    1.15

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

Gamut

How vivid #0E294B can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.095; #0E294B uses 75% of it. Display P3, which many recent phones and laptops show, reaches 0.121 there: 28% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.071
sRGB edge
0.095
Display P3 edge
0.121
Rec. 2020 edge
0.223
Dominant wavelength
475 nm
Excitation purity
57%
Chromaticity
x 0.1970, y 0.1920
  • This color#0E294B
  • Most vivid in sRGB#002756
  • Most vivid in Display P3oklch(0.281 0.121 255.6)

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

Use the wider color where screens show it
.accent {
  color: #0e294b;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.1398 0.3711); }
}

Mixing

Mixing #0E294B

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%#8794A5
  • OKLab50%#7E8EA2
  • OKLCH50%#7E8EA2

Black #000000

  • sRGB50%#071526
  • OKLab50%#020917
  • OKLCH50%#020917

Its complement #3A2400

  • sRGB50%#242726
  • OKLab50%#27292C
  • OKLCH50%#3F1A30
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #0e294b, white);
color: color-mix(in oklch, #0e294b 50%, white);

In use

#0E294B 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, 4.5:114.60:1 Passes
  • Link and body-size textText, 4.5:114.60:1 Passes
  • Large headingLarge text, 3:114.60:1 Passes
  • Icons, borders and focus ringsNon-text, 3:114.60:1 Passes

Dark page

  • Button labelText, 4.5:114.60:1 Passes
  • Link and body-size textText, 4.5:11.28:1 Fails
  • Large headingLarge text, 3:11.28:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.28:1 Fails

For text on this page, the nearest shade that passes is #617FA7 4.55:1

Color vision

How #0E294B looks with color blindness

Tritanopia changes it most, ΔE2000 17.8; deuteranopia changes it least, 1.6.

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

    #192C4C ΔE2000 1.8

    Very close

    Reads as very dark muted blue

  • Deuteranopia

    No working green (medium-wavelength) cones

    #0F264A ΔE2000 1.6

    Very close

    Reads as very dark muted blue

  • Tritanopia

    No working blue (short-wavelength) cones

    #003136 ΔE2000 17.8

    Distinct

    Reads as very dark grayish teal

  • Achromatopsia

    No cone color vision; lightness only

    #292929 ΔE2000 15.8

    Distinct

    Reads as near-black

Pairing check

Checked against its complement, #3A2400. Their lightness contrast is only 1.00:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#0E294B · #3A240031.8Stays distinct
Protanopia#192C4C · #2C250032.0Stays distinct
Deuteranopia#0F264A · #312B0135.4Stays distinct
Tritanopia#003136 · #401E1D38.1Stays distinct
Achromatopsia#292929 · #2828280.3Easily confused

Harmony

Color harmonies for #0E294B

Its complement is #3A2400, a very dark muted brown, on the warm 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#0E294B
  • Complement#3A2400

Complementary

Open in Harmony Studio
  • −30°#002E3D
  • Base#0E294B
  • +30°#27224A

Analogous

Open in Harmony Studio
  • Base#0E294B
  • +120°#46181D
  • +240°#183008

Triadic

Open in Harmony Studio
  • Base#0E294B
  • +150°#441B06
  • +210°#2D2A00

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-5010: #0e294b;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'ral-5010': '#0e294b',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-ral-5010: oklch(0.281 0.071 255.6);
}

Design token (W3C DTCG)

{
  "color": {
    "ral-5010": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.0549, 0.1608, 0.2941],
        "hex": "#0e294b"
      },
      "$description": "RAL 5010 Gentian blue (approximate sRGB)"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let ral5010 = Color(.sRGB, red: 0.055, green: 0.161, blue: 0.294, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Ral5010 = Color(0xFF0E294B)
}

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 #0E294B in the tools

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