Tailwind CSS v3 color

Tailwind violet-950 #2E1065

Tailwind CSS v3's violet-950 is #2E1065. It is a very dark soft violet in the violet family. In OKLCH it sits at lightness 0.283, chroma 0.135 and hue 291.1°. The nearest CSS named color is midnightblue (#191970), ΔE2000 4.6 away.

Relative luminance: 0.0189
OKLCH L · C · h: 0.283 · 0.135 · 291.1
Best text: White 15.23:1
Hue family: Violet

Inspect this color Check contrast

#2E1065 color codes

HEX: #2E1065
RGB: rgb(46, 16, 101)
HSL: hsl(261, 73%, 23%)
OKLCH: oklch(0.283 0.135 291.1)
OKLab: oklab(0.283 0.049 -0.126)
CIELAB (D65): L* 14.90, a* 35.64, b* -43.87
XYZ (D65): X 3.66, Y 1.89, Z 12.48
CMYK (naive): cmyk(54%, 84%, 0%, 60%)

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 #2E1065 accessible?

White text on it reaches 15.23:1, passing AAA. Black text fails at 1.37:1.

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

1.37:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.37:1
White text on it

15.23:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −104
As text on black

1.37:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.37:1
As text on white

15.23:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +101

Nearest versions that pass 4.5:1

For text on white

#2E1065 15.23:1

It already reaches 15.23:1 on white, so no change is needed.
For text on black

#7A67C1 4.53:1

Lightening its OKLCH lightness from 0.28 to 0.57 reaches 4.53:1 on black, keeping the hue.

Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #2E1065 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 #2E1065

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #2E1065 sits at step 900.

50#F5F4FF

White
1.08
Black
19.26
100#EBE8FF

White
1.19
Black
17.51
200#D7D1FF

White
1.45
Black
14.45
300#BEB1FF

White
1.92
Black
10.92
400#A291EE

White
2.68
Black
7.82
500#8775D1

White
3.82
Black
5.49
600#705DB6

White
5.34
Black
3.93
700#5A479A

White
7.49
Black
2.80
800#422E7B

White
11.00
Black
1.90
900This color#2E1065

White
15.23
Black
1.37
950#19043F

White
18.57
Black
1.13

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

Tailwind CSS v3 violet scale

The real Tailwind palette, for comparison with the computed ramp above.

50#F5F3FF
White
1.09
Black
19.14
100#EDE9FE
White
1.18
Black
17.68
200#DDD6FE
White
1.38
Black
15.12
300#C4B5FD
White
1.84
Black
11.37
400#A78BFA
White
2.72
Black
7.71
500#8B5CF6
White
4.23
Black
4.95
600#7C3AED
White
5.69
Black
3.68
700#6D28D9
White
7.10
Black
2.95
800#5B21B6
White
8.98
Black
2.33
900#4C1D95
White
10.95
Black
1.91
950This color#2E1065

White
15.23
Black
1.37

Gamut

How vivid #2E1065 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.159; #2E1065 uses 85% of it. Display P3, which many recent phones and laptops show, reaches 0.164 there: 3% more.

sRGB
Display P3
Rec. 2020
Dominant wavelength

OKLCH chroma: 0.135
sRGB edge: 0.159
Display P3 edge: 0.164
Rec. 2020 edge: 0.178
Dominant wavelength: 447 nm
Excitation purity: 71%
Chromaticity: x 0.2030, y 0.1049

This color#2E1065
Most vivid in sRGB#30006F
Most vivid in Display P3oklch(0.283 0.164 291.1)

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

Use the wider color where screens show it

.accent {
  color: #2e1065;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.1703 0 0.4257); }
}

Mixing

Mixing #2E1065

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%#9788B2
OKLab50%#8C86B3
OKLCH50%#8C86B3

Black #000000

sRGB50%#170833
OKLab50%#0B0222
OKLCH50%#0B0222

Its complement #2B2C00

sRGB50%#2D1E33
OKLab50%#29263A
OKLCH50%#003033

In CSS

/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #2e1065, white);
color: color-mix(in oklch, #2e1065 50%, white);

In use

#2E1065 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, 4.5:115.23:1 Passes
Link and body-size textText, 4.5:115.23:1 Passes
Large headingLarge text, 3:115.23:1 Passes
Icons, borders and focus ringsNon-text, 3:115.23:1 Passes

Dark page

Button labelText, 4.5:115.23:1 Passes
Link and body-size textText, 4.5:11.22:1 Fails
Large headingLarge text, 3:11.22:1 Fails
Icons, borders and focus ringsNon-text, 3:11.22:1 Fails

For text on this page, the nearest shade that passes is #816FC9 4.50:1

Color vision

How #2E1065 looks with color blindness

Achromatopsia changes it most, ΔE2000 25.2; deuteranopia changes it least, 10.1.

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

#002767 ΔE2000 10.7

Distinct

Reads as very dark soft blue
Deuteranopia

No working green (medium-wavelength) cones

#002463 ΔE2000 10.1

Distinct

Reads as very dark soft blue
Tritanopia

No working blue (short-wavelength) cones

#1A293B ΔE2000 13.8

Distinct

Reads as very dark grayish blue
Achromatopsia

No cone color vision; lightness only

#252525 ΔE2000 25.2

Distinct

Reads as near-black

Pairing check

Checked against its complement, #2B2C00. Their lightness contrast is only 1.06:1, so where hue collapses, add a label, icon or pattern.

Vision	The pair	ΔE2000	Verdict
Normal vision	#2E1065 · #2B2C00	50.2	Stays distinct
Protanopia	#002767 · #312900	42.2	Stays distinct
Deuteranopia	#002463 · #312B03	42.5	Stays distinct
Tritanopia	#1A293B · #2F2824	14.3	Stays distinct
Achromatopsia	#252525 · #2A2A2A	1.6	Easily confused

Harmony

Color harmonies for #2E1065

Its complement is #2B2C00, a very dark muted yellow.

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

Open the Harmony Studio

Base#2E1065
Complement#2B2C00

Complementary

Open in Harmony Studio

−30°#002265
Base#2E1065
+30°#450050

Analogous

Open in Harmony Studio

Base#2E1065
+120°#451C00
+240°#003226

Triadic

Open in Harmony Studio

Base#2E1065
+150°#382600
+210°#053400

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-violet-950: #2e1065;
}

Tailwind config

// tailwind.config.js — already built in as violet-950;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        violet: { 950: '#2e1065' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own violet-950; this pins the v3 value. */
  --color-violet-950: oklch(0.283 0.135 291.1);
}

Design token (W3C DTCG)

{
  "color": {
    "violet-950": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.1804, 0.0627, 0.3961],
        "hex": "#2e1065"
      },
      "$description": "Tailwind CSS v3 violet-950"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let violet950 = Color(.sRGB, red: 0.180, green: 0.063, blue: 0.396, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Violet950 = Color(0xFF2E1065)
}

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 #2E1065 in the tools

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

Tailwind violet-950 #2E1065

#2E1065 color codes

Contrast: is #2E1065 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 #2E1065 live

Shades and tints of #2E1065

Tailwind CSS v3 violet scale

How vivid #2E1065 can get

Mixing #2E1065

#2E1065 in an interface

How #2E1065 looks with color blindness

Protanopia

Deuteranopia

Tritanopia

Achromatopsia

Pairing check

Color harmonies for #2E1065

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 #2E1065 in the tools