CSS named color

Dark Violet #9400D3

The CSS keyword darkviolet is #9400D3. It is a vivid violet in the violet family. In OKLCH it sits at lightness 0.515, chroma 0.261 and hue 309.8°.

Relative luminance: 0.1100
OKLCH L · C · h: 0.515 · 0.261 · 309.8
Best text: White 6.56:1
Hue family: Violet

Inspect this color Check contrast

#9400D3 color codes

HEX: #9400D3
RGB: rgb(148, 0, 211)
HSL: hsl(282, 100%, 41%)
OKLCH: oklch(0.515 0.261 309.8)
OKLab: oklab(0.515 0.167 -0.200)
CIELAB (D65): L* 39.58, a* 76.32, b* -70.37
XYZ (D65): X 23.97, Y 11.00, Z 62.48
CMYK (naive): cmyk(30%, 100%, 0%, 17%)

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 #9400D3 accessible?

White text on it reaches 6.56:1, passing AA. Black 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

3.19:1
- AA fails
- AA large passes
- AAA fails
- APCA Lc +24
White text on it

6.56:1
- AA passes
- AA large passes
- AAA fails
- APCA Lc −85
As text on black

3.19:1
- AA fails
- AA large passes
- AAA fails
- APCA Lc −21
As text on white

6.56:1
- AA passes
- AA large passes
- AAA fails
- APCA Lc +80

Nearest versions that pass 4.5:1

For text on white

#9400D3 6.56:1

It already reaches 6.56:1 on white, so no change is needed.
For text on black

#AD35EF 4.53:1

Lightening its OKLCH lightness from 0.51 to 0.59 reaches 4.53:1 on black, keeping the hue.

Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #9400D3 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 #9400D3

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #9400D3 sits at step 600.

50#F9F2FF

White
1.09
Black
19.17
100#F3E5FF

White
1.20
Black
17.46
200#E7CAFF

White
1.46
Black
14.28
300#D8A4FF

White
1.96
Black
10.67
400#C876FF

White
2.80
Black
7.49
500#B540F8

White
4.15
Black
5.05
600This color#9400D3

White
6.56
Black
3.19
700#7F00B5

White
8.17
Black
2.56
800#5D0087

White
11.56
Black
1.81
900#3E005B

White
15.48
Black
1.35
950#240037

White
18.58
Black
1.13

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

Gamut

How vivid #9400D3 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.261; #9400D3 uses 100% of it. Display P3, which many recent phones and laptops show, reaches 0.276 there: 6% more.

sRGB
Display P3
Rec. 2020
Dominant wavelength

OKLCH chroma: 0.261
sRGB edge: 0.261
Display P3 edge: 0.276
Rec. 2020 edge: 0.309
Dominant wavelength: Complementary 563 nm
Excitation purity: 70%
Chromaticity: x 0.2460, y 0.1129

This color#9400D3
Most vivid in sRGB#9400D3
Most vivid in Display P3oklch(0.515 0.276 309.8)

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

Use the wider color where screens show it

.accent {
  color: #9400d3;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.5381 0 0.8191); }
}

Mixing

Mixing #9400D3

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%#CA80E9
OKLab50%#C998EE
OKLCH50%#C998EE

Black #000000

sRGB50%#4A006A
OKLab50%#360051
OKLCH50%#360051

Its complement #4C7600

sRGB50%#703B6A
OKLab50%#725E82
OKLCH50%#00738C

In CSS

/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #9400d3, white);
color: color-mix(in oklch, #9400d3 50%, white);

In use

#9400D3 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, 4.5:16.56:1 Passes
Link and body-size textText, 4.5:16.56:1 Passes
Large headingLarge text, 3:16.56:1 Passes
Icons, borders and focus ringsNon-text, 3:16.56:1 Passes

Dark page

Button labelText, 4.5:16.56:1 Passes
Link and body-size textText, 4.5:12.85:1 Fails
Large headingLarge text, 3:12.85:1 Fails
Icons, borders and focus ringsNon-text, 3:12.85:1 Fails

For text on this page, the nearest shade that passes is #B540F8 4.50:1

Color vision

How #9400D3 looks with color blindness

Achromatopsia changes it most, ΔE2000 31.1; tritanopia changes it least, 18.5.

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

#0058D8 ΔE2000 21.4

Distinct

Reads as vivid blue
Deuteranopia

No working green (medium-wavelength) cones

#005FD0 ΔE2000 24.3

Distinct

Reads as vivid blue
Tritanopia

No working blue (short-wavelength) cones

#8A4C7B ΔE2000 18.5

Distinct

Reads as soft magenta
Achromatopsia

No cone color vision; lightness only

#5D5D5D ΔE2000 31.1

Distinct

Reads as dark gray

Pairing check

Checked against its complement, #4C7600. Their lightness contrast is only 1.21:1, so where hue collapses, add a label, icon or pattern.

Vision	The pair	ΔE2000	Verdict
Normal vision	#9400D3 · #4C7600	83.4	Stays distinct
Protanopia	#0058D8 · #7C6C00	61.6	Stays distinct
Deuteranopia	#005FD0 · #766914	57.5	Stays distinct
Tritanopia	#8A4C7B · #4E7063	31.4	Stays distinct
Achromatopsia	#5D5D5D · #6A6A6A	4.8	Easily confused

Harmony

Color harmonies for #9400D3

Its complement is #4C7600, a soft green.

Hue rotations in OKLCH, mapped into sRGB by trimming chroma so hue and lightness stay put.

Open the Harmony Studio

Base#9400D3
Complement#4C7600

Complementary

Open in Harmony Studio

−30°#5838F6
Base#9400D3
+30°#B2008F

Analogous

Open in Harmony Studio

Base#9400D3
+120°#905A00
+240°#007773

Triadic

Open in Harmony Studio

Base#9400D3
+150°#766800
+210°#007B4F

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-darkviolet: #9400d3;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        darkviolet: '#9400d3',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-darkviolet: oklch(0.515 0.261 309.8);
}

Design token (W3C DTCG)

{
  "color": {
    "darkviolet": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.5804, 0, 0.8275],
        "hex": "#9400d3"
      },
      "$description": "CSS named color darkviolet"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let darkviolet = Color(.sRGB, red: 0.580, green: 0.000, blue: 0.827, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Darkviolet = Color(0xFF9400D3)
}

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 #9400D3 in the tools

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

Dark Violet #9400D3

#9400D3 color codes

Contrast: is #9400D3 accessible?

Black text on it

White text on it

As text on black

As text on white

Nearest versions that pass 4.5:1

Adjust #9400D3 live

Shades and tints of #9400D3

How vivid #9400D3 can get

Mixing #9400D3

#9400D3 in an interface

How #9400D3 looks with color blindness

Protanopia

Deuteranopia

Tritanopia

Achromatopsia

Pairing check

Color harmonies for #9400D3

Complementary

Analogous

Triadic

Split-complementary

Design tokens

CSS custom property

Tailwind config

Tailwind v4 theme

Design token (W3C DTCG)

SwiftUI color

Jetpack Compose color

The nearest match in each system

Similar colors

Open #9400D3 in the tools