Tailwind CSS v3 color

Tailwind fuchsia-950 #4A044E

Tailwind CSS v3's fuchsia-950 is #4A044E. It is a very dark soft magenta in the violet family. In OKLCH it sits at lightness 0.293, chroma 0.131 and hue 325.7°. The nearest CSS named color is indigo (#4B0082), ΔE2000 10.3 away.

Relative luminance: 0.0209
OKLCH L · C · h: 0.293 · 0.131 · 325.7
Best text: White 14.80:1
Hue family: Violet

Inspect this color Check contrast

#4A044E color codes

HEX: #4A044E
RGB: rgb(74, 4, 78)
HSL: hsl(297, 90%, 16%)
OKLCH: oklch(0.293 0.131 325.7)
OKLab: oklab(0.293 0.108 -0.074)
CIELAB (D65): L* 15.97, a* 39.57, b* -26.45
XYZ (D65): X 4.24, Y 2.09, Z 7.39
CMYK (naive): cmyk(5%, 95%, 0%, 69%)

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 #4A044E accessible?

White text on it reaches 14.80:1, passing AAA. Black text fails at 1.41:1.

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

1.41:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.41:1
White text on it

14.80:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −103
As text on black

1.41:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.41:1
As text on white

14.80:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +100

Nearest versions that pass 4.5:1

For text on white

#4A044E 14.80:1

It already reaches 14.80:1 on white, so no change is needed.
For text on black

#A05CA3 4.55:1

Lightening its OKLCH lightness from 0.29 to 0.58 reaches 4.55:1 on black, keeping the hue.

Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #4A044E 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 #4A044E

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #4A044E sits at step 900.

50#FFEFFF

White
1.10
Black
19.04
100#FFDFFF

White
1.21
Black
17.25
200#FDBEFF

White
1.50
Black
13.98
300#E6A2E9

White
1.96
Black
10.70
400#CA84CD

White
2.72
Black
7.69
500#AE68B0

White
3.88
Black
5.40
600#945197

White
5.40
Black
3.88
700#7B3B7E

White
7.58
Black
2.76
800#5E2361

White
11.11
Black
1.88
900This color#4A044E

White
14.80
Black
1.41
950#29002C

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 fuchsia scale

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

50#FDF4FF
White
1.07
Black
19.56
100#FAE8FF
White
1.16
Black
18.05
200#F5D0FE
White
1.36
Black
15.33
300#F0ABFC
White
1.75
Black
11.93
400#E879F9
White
2.46
Black
8.53
500#D946EF
White
3.45
Black
6.07
600#C026D3
White
4.70
Black
4.45
700#A21CAF
White
6.32
Black
3.32
800#86198F
White
8.23
Black
2.54
900#701A75
White
10.03
Black
2.09
950This color#4A044E

White
14.80
Black
1.41

Gamut

How vivid #4A044E can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.137; #4A044E uses 95% of it. Display P3, which many recent phones and laptops show, reaches 0.149 there: 9% more.

sRGB
Display P3
Rec. 2020
Dominant wavelength

OKLCH chroma: 0.131
sRGB edge: 0.137
Display P3 edge: 0.149
Rec. 2020 edge: 0.171
Dominant wavelength: Complementary 553 nm
Excitation purity: 66%
Chromaticity: x 0.3092, y 0.1525

This color#4A044E
Most vivid in sRGB#4B0050
Most vivid in Display P3oklch(0.293 0.149 325.7)

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

Use the wider color where screens show it

.accent {
  color: #4a044e;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.2749 0 0.3111); }
}

Mixing

Mixing #4A044E

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%#A582A7
OKLab50%#A381A4
OKLCH50%#A381A4

Black #000000

sRGB50%#250227
OKLab50%#170119
OKLCH50%#170119

Its complement #00370A

sRGB50%#251E2C
OKLab50%#312932
OKLCH50%#462000

In CSS

/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #4a044e, white);
color: color-mix(in oklch, #4a044e 50%, white);

In use

#4A044E 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, 4.5:114.80:1 Passes
Link and body-size textText, 4.5:114.80:1 Passes
Large headingLarge text, 3:114.80:1 Passes
Icons, borders and focus ringsNon-text, 3:114.80:1 Passes

Dark page

Button labelText, 4.5:114.80:1 Passes
Link and body-size textText, 4.5:11.26:1 Fails
Large headingLarge text, 3:11.26:1 Fails
Icons, borders and focus ringsNon-text, 3:11.26:1 Fails

For text on this page, the nearest shade that passes is #AA65AD 4.61:1

Color vision

How #4A044E looks with color blindness

Achromatopsia changes it most, ΔE2000 24.3; tritanopia changes it least, 13.2.

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

#002250 ΔE2000 19.5

Distinct

Reads as very dark muted blue
Deuteranopia

No working green (medium-wavelength) cones

#172A4C ΔE2000 19.7

Distinct

Reads as very dark muted blue
Tritanopia

No working blue (short-wavelength) cones

#4C142B ΔE2000 13.2

Distinct

Reads as very dark muted wine
Achromatopsia

No cone color vision; lightness only

#282828 ΔE2000 24.3

Distinct

Reads as near-black

Pairing check

Checked against its complement, #00370A. Their lightness contrast is only 1.09:1, so where hue collapses, add a label, icon or pattern.

Vision	The pair	ΔE2000	Verdict
Normal vision	#4A044E · #00370A	59.3	Stays distinct
Protanopia	#002250 · #383104	39.9	Stays distinct
Deuteranopia	#172A4C · #322D0E	32.5	Stays distinct
Tritanopia	#4C142B · #00352E	38.1	Stays distinct
Achromatopsia	#282828 · #2E2E2E	1.9	Easily confused

Harmony

Color harmonies for #4A044E

Its complement is #00370A, a very dark muted green.

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

Open the Harmony Studio

Base#4A044E
Complement#00370A

Complementary

Open in Harmony Studio

−30°#341364
Base#4A044E
+30°#55002E

Analogous

Open in Harmony Studio

Base#4A044E
+120°#3A2900
+240°#003338

Triadic

Open in Harmony Studio

Base#4A044E
+150°#2B3000
+210°#00352B

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-fuchsia-950: #4a044e;
}

Tailwind config

// tailwind.config.js — already built in as fuchsia-950;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        fuchsia: { 950: '#4a044e' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own fuchsia-950; this pins the v3 value. */
  --color-fuchsia-950: oklch(0.293 0.131 325.7);
}

Design token (W3C DTCG)

{
  "color": {
    "fuchsia-950": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.2902, 0.0157, 0.3059],
        "hex": "#4a044e"
      },
      "$description": "Tailwind CSS v3 fuchsia-950"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let fuchsia950 = Color(.sRGB, red: 0.290, green: 0.016, blue: 0.306, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Fuchsia950 = Color(0xFF4A044E)
}

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 #4A044E 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 fuchsia-950 #4A044E

#4A044E color codes

Contrast: is #4A044E 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 #4A044E live

Shades and tints of #4A044E

Tailwind CSS v3 fuchsia scale

How vivid #4A044E can get

Mixing #4A044E

#4A044E in an interface

How #4A044E looks with color blindness

Protanopia

Deuteranopia

Tritanopia

Achromatopsia

Pairing check

Color harmonies for #4A044E

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 #4A044E in the tools