Tailwind CSS v3 color

Tailwind fuchsia-50 #FDF4FF

Tailwind CSS v3's fuchsia-50 is #FDF4FF. It is an off-white in the neutral family. In OKLCH it sits at lightness 0.977 with chroma 0.017, too low for hue to matter. The nearest CSS named color is lavenderblush (#FFF0F5), ΔE2000 3.3 away.

Relative luminance: 0.9280
OKLCH L · C · h: 0.977 · 0.017 · 320.1
Best text: Black 19.56:1
Hue family: Neutral

Inspect this color Check contrast

#FDF4FF color codes

HEX: #FDF4FF
RGB: rgb(253, 244, 255)
HSL: hsl(289, 100%, 98%)
OKLCH: oklch(0.977 0.017 320.1)
OKLab: oklab(0.977 0.013 -0.011)
CIELAB (D65): L* 97.15, a* 4.92, b* -4.20
XYZ (D65): X 90.91, Y 92.80, Z 107.71
CMYK (naive): cmyk(1%, 4%, 0%, 0%)

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 #FDF4FF accessible?

Black text on it reaches 19.56:1, passing AAA. White text fails at 1.07:1.

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

19.56:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +101
White text on it

1.07:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.07:1
As text on black

19.56:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −102
As text on white

1.07:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.07:1

Nearest versions that pass 4.5:1

For text on white

#7B737D 4.57:1

Darkening its OKLCH lightness from 0.98 to 0.57 reaches 4.57:1 on white, keeping the hue.

Compare both in the Contrast System
For text on black

#FDF4FF 19.56:1

It already reaches 19.56:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #FDF4FF 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 #FDF4FF

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #FDF4FF sits at step 50.

50This color#FDF4FF

White
1.07
Black
19.56
100#F0E8F1

White
1.19
Black
17.51
200#DCD4DE

White
1.44
Black
14.51
300#C3BAC4

White
1.88
Black
11.14
400#A69EA8

White
2.59
Black
8.07
500#8B838D

White
3.66
Black
5.72
600#736C75

White
5.08
Black
4.13
700#5C555E

White
7.20
Black
2.91
800#443D45

White
10.50
Black
1.99
900#2C272D

White
14.63
Black
1.43
950#19141A

White
18.16
Black
1.15

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.

50This color#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
950#4A044E
White
14.80
Black
1.41

Gamut

How vivid #FDF4FF can get

A gray has no hue, so no gamut holds a more vivid version of #FDF4FF: more chroma would make it another color.

sRGB
Display P3
Rec. 2020
Dominant wavelength

OKLCH chroma: 0.017
sRGB edge: No hue
Display P3 edge: No hue
Rec. 2020 edge: No hue
Dominant wavelength: Complementary 555 nm
Excitation purity: 4%
Chromaticity: x 0.3119, y 0.3185

Mixing

Mixing #FDF4FF

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%#FEFAFF
OKLab50%#FEFAFF
OKLCH50%#FEFAFF

Black #000000

sRGB50%#7F7A80
OKLab50%#625E63
OKLCH50%#625E63

In CSS

/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #fdf4ff, white);
color: color-mix(in oklch, #fdf4ff 50%, white);

In use

#FDF4FF 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, 4.5:119.56:1 Passes
Link and body-size textText, 4.5:11.07:1 Fails
Large headingLarge text, 3:11.07:1 Fails
Icons, borders and focus ringsNon-text, 3:11.07:1 Fails

For text on this page, the nearest shade that passes is #7B737D 4.57:1

Dark page

Button labelText, 4.5:119.56:1 Passes
Link and body-size textText, 4.5:117.44:1 Passes
Large headingLarge text, 3:117.44:1 Passes
Icons, borders and focus ringsNon-text, 3:117.44:1 Passes

Color vision

How #FDF4FF looks with color blindness

As a neutral it barely changes under any simulation, ΔE2000 7.1 at most.

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

#F3F6FF ΔE2000 5.7

Noticeable

Reads as off-white
Deuteranopia

No working green (medium-wavelength) cones

#F5F7FF ΔE2000 5.4

Noticeable

Reads as off-white
Tritanopia

No working blue (short-wavelength) cones

#FDF5F7 ΔE2000 4.1

Close match

Reads as off-white
Achromatopsia

No cone color vision; lightness only

#F7F7F7 ΔE2000 7.1

Noticeable

Reads as off-white

Pairing check

A near-neutral has no complementary hue to pair with, so tell it apart from neighboring grays by lightness contrast alone.

Harmony

Color harmonies for #FDF4FF

A neutral has no hue to rotate, so every harmony collapses back to the same gray. Pair it with an accent color instead.

Or pair it by lightness: steps of its own scale as text on it, and what each can carry.

Build a lightness scale in Harmony Studio

Step 950 #19141A · 16.91:1

Body text, AAA
Step 700 #5C555E · 6.70:1

Body text, AA
Step 300 #C3BAC4 · 1.75:1

Decoration only, under 3:1

Code

Design tokens

Ready-to-paste tokens in six formats. Rename them to fit your system.

CSS custom property

:root {
  --color-fuchsia-50: #fdf4ff;
}

Tailwind config

// tailwind.config.js — already built in as fuchsia-50;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        fuchsia: { 50: '#fdf4ff' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own fuchsia-50; this pins the v3 value. */
  --color-fuchsia-50: oklch(0.977 0.017 320.1);
}

Design token (W3C DTCG)

{
  "color": {
    "fuchsia-50": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.9922, 0.9569, 1],
        "hex": "#fdf4ff"
      },
      "$description": "Tailwind CSS v3 fuchsia-50"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let fuchsia50 = Color(.sRGB, red: 0.992, green: 0.957, blue: 1.000, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Fuchsia50 = Color(0xFFFDF4FF)
}

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 #FDF4FF in the tools

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