What color is #A666BD?

#A666BD is a medium purple. In RGB it is rgb(166, 102, 189), and in HSL hsl(284, 40%, 57%).

Is #A666BD accessible as text?

On white, #A666BD has a contrast ratio of 3.99:1 (fails WCAG AA for body text); on black it is 5.26:1 (passes). For text placed on #A666BD, use black for the best readability.

What is the closest Tailwind color to #A666BD?

The nearest Tailwind CSS token is violet-400 (#A684FF).

What colors go well with #A666BD?

#A666BD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #7DBD65. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #A666BD below.

Is #A666BD good for buttons?

#A666BD works well for buttons and highlights, but use black text on #A666BD — white text only reaches 3.99:1, below the 4.5:1 needed for normal-size labels.

Is #A666BD the same as CSS mediumpurple?

No — #A666BD is not the CSS named color mediumpurple, but mediumpurple (#9370DB) is the closest CSS named color.

#A666BD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #A666BD

Not just a swatch — here's how #A666BD works with other colors. Named schemes with #A666BD in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #A666BD Surface #F5E6D7 Anchor #5D203E Accent #E5C2C6 Secondary #332B2F

Amethyst sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Vintage Leather Lead · 5 colors

Lead #A666BD Secondary #7E462F Surface #ECD8C1 Accent #345249 Anchor #592235

Amethyst plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #A666BD Anchor #3B2922 Surface #F2E2D1 Accent #9E9362 Secondary #3C3733

Amethyst anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #A666BD Secondary #BCA6C5 Support #9C9087 Ink #18140F

Amethyst is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Amethyst carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #A666BD Surface #14161A Highlight #F4F6F8 Secondary #5C6573 Accent #C98EDF

Amethyst is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Amethyst.

Build a working theme in the generator →

Color Lab

How #A666BD actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 47/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 46/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 40/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 39/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 89/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 20/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #A666BD

For UI

For branding

For interior

For fashion

People also use #A666BD with

Medium Purple Mulberry Mantis Gainsboro Eggplant

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 4.7:1. Use

Subtle surface Use #ECE3EF for cards and hover fills. Tint 80

Avoid beside #BD65B7 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #A666BD at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #A666BD;
  --color-base-rgb: 166 102 189;
  --color-base-oklch: oklch(61.4% 0.143 316.6);
  --color-50: #F9F4FB;
  --color-100: #EFE2F3;
  --color-200: #DEC6E6;
  --color-300: #C49ED1;
  --color-400: #A878BA;
  --color-500: #8B579E;
  --color-600: #6D487A;
  --color-700: #4F3758;
  --color-800: #35273A;
  --color-900: #211924;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  amethyst: {
    50: '#F9F4FB',
    100: '#EFE2F3',
    200: '#DEC6E6',
    300: '#C49ED1',
    400: '#A878BA',
    500: '#8B579E',
    600: '#6D487A',
    700: '#4F3758',
    800: '#35273A',
    900: '#211924',
  },
}

$base: #A666BD;
$base-ink: #141310;
$base-50: #F9F4FB;
$base-100: #EFE2F3;
$base-200: #DEC6E6;
$base-300: #C49ED1;
$base-400: #A878BA;
$base-500: #8B579E;
$base-600: #6D487A;
$base-700: #4F3758;
$base-800: #35273A;
$base-900: #211924;
$base-hover: #8A46A3;
$base-subtle: #E3D4E8;

{
    "color": {
        "base": {
            "value": "#A666BD",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F4FB",
                "type": "color"
            },
            "100": {
                "value": "#EFE2F3",
                "type": "color"
            },
            "200": {
                "value": "#DEC6E6",
                "type": "color"
            },
            "300": {
                "value": "#C49ED1",
                "type": "color"
            },
            "400": {
                "value": "#A878BA",
                "type": "color"
            },
            "500": {
                "value": "#8B579E",
                "type": "color"
            },
            "600": {
                "value": "#6D487A",
                "type": "color"
            },
            "700": {
                "value": "#4F3758",
                "type": "color"
            },
            "800": {
                "value": "#35273A",
                "type": "color"
            },
            "900": {
                "value": "#211924",
                "type": "color"
            }
        }
    }
}

Palettes built on #A666BD

Color Lab

Pairs with #A666BD

UI roles & guardrails

In real applications

Scales

Every model

Export