Color reference

#A531FF color reference

Vivid Mid-light Violet

This is a vivid, mid-light violet under the deterministic OKLCH hue, lightness, and chroma ranges. Its closest standardized CSS named color is Blue Violet (#8A2BE2), measured with straight-line OKLab distance.

Descriptive label
Vivid Mid-light Violet
Recommended text
White · 4.68:1
Relative luminance
0.174160
Build a palette from #A531FF in Palette Generator Convert #A531FF in Color Converter
Formats UI preview Contrast 50–900 scale Harmonies Matches Related colors Color vision Exports

Copyable values

#A531FF in common color formats

Values are calculated from the same opaque sRGB color. Display rounding does not alter the internal calculations.

Color conversions for #A531FF
Format Value Action
HEX #A531FF
RGB rgb(165 49 255)
HSL hsl(274 100% 59.61%)
HSV hsv(274 80.78% 100%)
HWB hwb(274 19.22% 0%)
XYZ D65 color(xyz-d65 0.34663 0.174166 0.961466)
LAB lab(47.7973% 70.8097 -81.3291)
LCH lch(47.7973% 107.8352 311.0447)
OKLAB oklab(59.4304% 0.155152 -0.228745)
OKLCH oklch(59.4304% 0.276399 304.1481)

Real-world test

Try #A531FF on interface components

Preview the source as a primary action, subtle status, form treatment, and card surface. Persistent state controls help touch and keyboard users inspect the same normal, hover, and active colors.

Normal state uses #A531FF with white text at 4.68:1.

Action

Primary button

Use the controls above or point to and press the button to inspect its visual states.

Status

Subtle alert badge

A 12% source tint over white provides the background; readable text is selected separately.

Ready for review

Form

Border and focus ring

Source ring on white: 4.68:1 · meets the 3:1 non-text threshold where applicable.

Surface

Card component

The selected state becomes the card surface with its strongest black-or-white text pairing.

Design system Color decision ready Review states and surrounding surfaces before shipping.

Accessibility diagnostics

WCAG contrast for exact color pairs

Each result applies only to the named foreground, background, text size, and requirement. It is not a complete accessibility or component-conformance claim.

Source #A531FF Exact pair assessment Results for source text on white appear below.

On white

4.68:1

  • Pass AA normal text · 4.5:1
  • Fail AAA normal text · 7:1
  • Pass AA large text · 3:1
  • Pass UI/non-text where applicable · 3:1
Source #A531FF Exact pair assessment Results for source text on black appear below.

On black

4.48:1

  • Fail AA normal text · 4.5:1
  • Fail AAA normal text · 7:1
  • Pass AA large text · 3:1
  • Pass UI/non-text where applicable · 3:1

Use guidance

What this color may be suitable for

Pass in a tested context

Normal-sized text

#A531FF reaches 4.68:1 on white, meeting WCAG AA for normal text in that exact pairing.

Potential fit

Controls and interface graphics

Against Hue Codex paper, the color reaches 4.48:1. That meets the 3:1 color-contrast threshold where WCAG 1.4.11 applies, but states, shape, and non-color cues still need review.

Readable pairing available

Colored surface or button fill

White text provides the stronger black/white pairing on #A531FF at 4.68:1. This validates only that text pair, not hover, focus, disabled, or adjacent-color states.

Distinctive accent

Palette role

Its OKLCH chroma of 0.2764 gives it enough visual presence for an accent or primary role when the tested foreground and neighboring colors pass.

Pair available

Color used as foreground

The stronger black/white background is white at 4.68:1. Always retest against the actual rendered background and text size.

Tested backgrounds

Foreground pairing comparison

#A531FF foreground contrast on tested backgrounds
Pair Background Contrast ratio
White#FFFFFF 4.68:1
Black#000000 4.48:1
Hue Codex paper#FBFAF5 4.48:1
Soft neutral#F2EFE6 4.07:1
Hue Codex ink#10212B 3.52:1
Check #A531FF on another background in Contrast Checker

Design-system starting point

A perceptual 50–900 reference scale

The source color is preserved at the nearest lightness step. Other swatches keep its OKLCH hue, moderate chroma toward the extremes, and reduce chroma only when needed to remain in sRGB.

50
100
200
300
400
500 #A531FF Source
600
700
800
900

This is a Hue Codex reference scale, not a claim that the values match Tailwind, Material, or another framework’s named palette.

Adjust the #A531FF scale in Tints, Shades & Tones

Color relationships

Complementary, analogous, and triadic colors

Hue rotations use OKLCH while preserving lightness and requested chroma. When a rotated result falls outside sRGB, chroma is reduced deterministically and disclosed.

Complementary

Source #A531FF
Complement Chroma fitted to sRGB

Analogous

Source #A531FF
Analogous −30° Chroma fitted to sRGB
Analogous +30° Chroma fitted to sRGB

Triadic

Source #A531FF
Triad +120° Chroma fitted to sRGB
Triad +240° Chroma fitted to sRGB

Applied pairing

A small interface check

The source anchors the main action while the complement marks a secondary status. Contrast is selected separately for each fill.

Project color Vivid Mid-light Violet
Complement
Explore #A531FF in Color Harmonies

Distance matching

Closest standardized and framework colors

Matches use straight-line OKLab distance ×100. A smaller value means the coordinates are closer in this model; it is not a claim that two tokens are interchangeable in a design system.

CSS named color

Blue Violet

#8A2BE2

OKLab distance ×100: 6.71

Tailwind v4 default

purple-500

oklch(62.7% 0.265 303.9)

OKLab distance ×100: 3.46 · sRGB preview #AD46FF

Print boundary

Pantone match not estimated

Reliable print matching needs licensed reference data plus a defined ink, paper, profile, and viewing condition.

Read the print methodology

Color-vision screening

Approximate color-vision-deficiency views

These encoded-sRGB matrix previews are screening approximations. They help reveal possible color-only distinctions but do not reproduce every person’s vision or establish accessibility conformance.

Original#A531FF
Approx.

Protanopia

Red-vision deficiency approximation

Original#A531FF
Approx.

Deuteranopia

Green-vision deficiency approximation

Original#A531FF
Approx.

Tritanopia

Blue-yellow deficiency approximation

Original#A531FF
Approx.#6B6B6B

Achromatopsia

Monochromatic-vision approximation

Test #A531FF with a complete palette in the CVD Simulator

Ready to use

Copy framework-ready color tokens

Exports preserve the source, readable foreground, and generated 50–900 scale. Tailwind v4 CSS-first and Tailwind v3 JavaScript-config formats are labeled separately.

CSS custom properties

Semantic aliases and the complete 50–900 scale.

:root {
  --color-primary: #A531FF;
  --color-on-primary: #FFFFFF;
  --color-primary-oklch: oklch(59.4304% 0.276399 304.1481);
  --color-primary-50: #F7F2FF;
  --color-primary-100: #E6D5FF;
  --color-primary-200: #D4B2FF;
  --color-primary-300: #C28DFF;
  --color-primary-400: #B263FF;
  --color-primary-500: #A531FF;
  --color-primary-600: #8600D7;
  --color-primary-700: #6900AA;
  --color-primary-800: #4E007F;
  --color-primary-900: #330057;
}

Tailwind v4 CSS-first theme

Current @theme syntax for bg-brand, text-brand, and scale utilities.

@import "tailwindcss";

@theme {
  --color-brand: #A531FF;
  --color-brand-foreground: #FFFFFF;
  --color-brand-50: #F7F2FF;
  --color-brand-100: #E6D5FF;
  --color-brand-200: #D4B2FF;
  --color-brand-300: #C28DFF;
  --color-brand-400: #B263FF;
  --color-brand-500: #A531FF;
  --color-brand-600: #8600D7;
  --color-brand-700: #6900AA;
  --color-brand-800: #4E007F;
  --color-brand-900: #330057;
}

Tailwind v3 / legacy config

CommonJS theme.extend.colors for JavaScript-config projects.

module.exports = {
  theme: {
    extend: {
      colors: {
        brand: {
          '50': '#F7F2FF',
          '100': '#E6D5FF',
          '200': '#D4B2FF',
          '300': '#C28DFF',
          '400': '#B263FF',
          '500': '#A531FF',
          '600': '#8600D7',
          '700': '#6900AA',
          '800': '#4E007F',
          '900': '#330057',
          DEFAULT: '#A531FF',
          foreground: '#FFFFFF',
        },
      },
    },
  },
};

Sass variables

Semantic source, foreground, OKLCH, and scale variables.

$color-primary: #A531FF;
$color-on-primary: #FFFFFF;
$color-primary-oklch: oklch(59.4304% 0.276399 304.1481);
$color-primary-50: #F7F2FF;
$color-primary-100: #E6D5FF;
$color-primary-200: #D4B2FF;
$color-primary-300: #C28DFF;
$color-primary-400: #B263FF;
$color-primary-500: #A531FF;
$color-primary-600: #8600D7;
$color-primary-700: #6900AA;
$color-primary-800: #4E007F;
$color-primary-900: #330057;

Modern color-mix()

Static fallbacks followed by OKLab tint and shade declarations.

:root {
  --color-primary: #A531FF;
  --color-primary-tint: #D4B2FF;
  --color-primary-tint: color-mix(in oklab, var(--color-primary) 72%, white);
  --color-primary-shade: #6900AA;
  --color-primary-shade: color-mix(in oklab, var(--color-primary) 82%, black);
}

JSON design data

Source formats, readable text, and the generated scale.

{
    "name": "Vivid Mid-light Violet",
    "hex": "#A531FF",
    "rgb": "rgb(165 49 255)",
    "oklch": "oklch(59.4304% 0.276399 304.1481)",
    "recommendedText": "#FFFFFF",
    "scale": {
        "50": "#F7F2FF",
        "100": "#E6D5FF",
        "200": "#D4B2FF",
        "300": "#C28DFF",
        "400": "#B263FF",
        "500": "#A531FF",
        "600": "#8600D7",
        "700": "#6900AA",
        "800": "#4E007F",
        "900": "#330057"
    }
}

Continue the decision

Use #A531FF in a complete workflow

Reference values are a starting point. Test the color in its real role, background, states, typography, and surrounding palette before shipping.

Adjust #A531FF in Color PickerStart with this exact color and white as the working background for role and accessibility decisions. Build a palette from #A531FF in Palette GeneratorUse this exact HEX as the seed for a deterministic, role-based palette. Check #A531FF on white in Contrast CheckerStart with this color as the foreground and white as the background, then test the real pair.