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bg-purple-900

Tailwind Purple 900

#581C87·Purple family·Shade 900

Color Values

HEX
#581C87
RGB
rgb(88, 28, 135)
HSL
hsl(274, 66%, 32%)
OKLCH
oklch(0.381 0.166 305)
CMYK
cmyk(35%, 79%, 0%, 47%)
CSS Variable
var(--color-purple-900)
Tailwind Class
bg-purple-900

Accessibility Score

60/100

Good

Based on WCAG 2.1 contrast ratios against white and black backgrounds.

On White

10.88:1

AAA

On Black

1.93:1

Fail
Test in Contrast Checker →

Tailwind Usage — All Utilities

Background

bg-purple-900

Text

text-purple-900

Border

border-purple-900

Ring

ring-purple-900

Outline

outline-purple-900

Fill

fill-purple-900

Stroke

stroke-purple-900

From (gradient)

from-purple-900

Via (gradient)

via-purple-900

To (gradient)

to-purple-900

Placeholder

placeholder-purple-900

Caret

caret-purple-900

Accent

accent-purple-900

Decoration

decoration-purple-900

Shadow Color

shadow-purple-900

Tailwind v3 Config (extend custom color)

// tailwind.config.js module.exports = { theme: { extend: { colors: { 'purple-900': '#581c87', }, }, }, };

CSS Equivalent

/* Hex */
background-color: #581C87;

/* RGB */
background-color: rgb(88, 28, 135);

/* HSL */
background-color: hsl(274, 66%, 32%);

/* OKLCH (CSS Color Level 4) */
background-color: oklch(0.381 0.166 305);

/* CSS Custom Property (Tailwind v4) */
background-color: var(--color-purple-900);

/* Gradient example */
background: linear-gradient(135deg, #faf5ff 0%, #3b0764 100%);

OKLCH — Modern Color Space

Lightness (L)

0.381

38% perceived brightness

Chroma (C)

0.166

Color intensity / saturation

Hue (H)

305°

Angle on perceptual hue wheel

oklch(0.381 0.166 305)

OKLCH is a perceptually uniform color space in CSS Color Level 4. Unlike HSL, equal steps in L produce equal perceived lightness changes — making it ideal for building accessible, harmonious design system scales.

Design Recommendations

Strong dark tone

Shade 900 of the Purple palette

Recommended Uses

  • ✓Body text on white
  • ✓Dark panel backgrounds
  • ✓Near-dark UI elements
  • ✓Footer backgrounds
  • ✓High-contrast headings

Avoid

✗On dark backgrounds — contrast will be insufficient.

Preview

On White

Aa Bb Cc

On Black

Aa Bb Cc

As Background

Aa Bb Cc — #581C87

Purple Shades

50

100

200

300

400

500

600

700

800

900

950

Similar Tailwind Colors

Perceptually close shades from other Tailwind color families.

Tailwind Violet 900

#4C1D95

Tailwind Fuchsia 900

#701A75

Tailwind Violet 800

#5B21B6

Tailwind Fuchsia 800

#86198F

Tailwind Indigo 900

#312E81

Tailwind Indigo 800

#3730A3

Nearest Named Color

Tailwind Purple 900

Nearest Tailwind equivalent — #581C87

Design & Accessibility Guides

Guide

Building an Accessible Color System

Design Systems · 10 min read

Guide

WCAG Contrast Ratios Explained

WCAG · 8 min read

Guide

WCAG AA vs AAA: Which Standard Should You Target?

WCAG · 7 min read

Frequently Asked Questions

What is the hex code for Tailwind Purple 900?
Tailwind Purple 900 has the hex code #581C87. Its RGB value is rgb(88, 28, 135) and its HSL value is hsl(274, 66%, 32%).
What Tailwind utility classes use Purple 900?
Use bg-purple-900 for backgrounds, text-purple-900 for text color, border-purple-900 for borders, and ring-purple-900 for focus rings. In Tailwind v4 the CSS variable var(--color-purple-900) is available natively.
Is Tailwind Purple 900 WCAG accessible?
Tailwind Purple 900 achieves a 10.88:1 contrast ratio on white (AAA) and 1.93:1 on black (Fail). Its overall accessibility score is 60/100 (Good).
What is the OKLCH value for Tailwind Purple 900?
Tailwind Purple 900 in OKLCH is oklch(0.381 0.166 305) — lightness 0.381, chroma 0.166, hue 305°. OKLCH is a perceptually uniform space supported natively in modern CSS via the `color()` function.
What is Tailwind Purple 900 used for?
At shade 900, Tailwind Purple 900 is best described as "Strong dark tone". Recommended uses: Body text on white, Dark panel backgrounds, Near-dark UI elements.
← All Tailwind Colors