What color is #660357?

#660357 is a dark, vivid purple. In RGB it is rgb(102, 3, 87), and in HSL hsl(309, 94%, 21%).

Is #660357 accessible as text?

On white, #660357 has a contrast ratio of 12.24:1 (passes WCAG AA for body text); on black it is 1.72:1 (fails). For text placed on #660357, use white for the best readability.

What is the closest Tailwind color to #660357?

The nearest Tailwind CSS token is fuchsia-900 (#721378).

What colors go well with #660357?

#660357 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #036812. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #660357 below.

Is #660357 good for buttons?

#660357 works well for buttons and highlights, but use white text on #660357 — black text only reaches 1.72:1, below the 4.5:1 needed for normal-size labels.

Is #660357 the same as CSS purple?

No — #660357 is not the CSS named color purple, but purple (#800080) is the closest CSS named color.

#660357 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #660357

Not just a swatch — here's how #660357 works with other colors. Named schemes with #660357 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #660357 Anchor #141210 Accent #D69A52 Secondary #2F252D Surface #F3EDE3

Tyrian Purple carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Vintage Leather Lead · 5 colors

Lead #660357 Secondary #7D472D Surface #ECD8C1 Accent #464F38 Anchor #592233

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

Moody Editorial Color · 5 colors

Color #660357 Anchor #2A2A2E Secondary #6F6E74 Surface #EDE5DA Accent #3E0020

Tyrian Purple adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Tyrian Purple.

Berry & Cream Lead · 5 colors

Lead #660357 Surface #F4E6D7 Anchor #5D203C Accent #E6C2C5 Secondary #332B2E

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #660357 Secondary #74556C Support #9C9087 Ink #18140F

Tyrian Purple 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 Tyrian Purple carrying the quiet middle.

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Color Lab

How #660357 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 63/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 67/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 5/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 40/100

Low

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 59/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 57/100

Moderate

Workable accent with care around contrast.

Surface fit 17/100

Very low

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

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #660357

For UI

For branding

For interior

For fashion

People also use #660357 with

Indigo Rosewood Dark Green Gainsboro Eggplant

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

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

Background Pair with white text at 12.2:1. Use

Subtle surface Use #F2BBEA for cards and hover fills. Tint 80

Avoid beside #680337 — 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 #660357 at work across the surfaces designers actually ship.

Website / UI

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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: #660357;
  --color-base-rgb: 102 3 87;
  --color-base-oklch: oklch(35.0% 0.152 336.3);
  --color-50: #FEF0FC;
  --color-100: #FDD8F8;
  --color-200: #FCB1F0;
  --color-300: #F47BE2;
  --color-400: #E74BCF;
  --color-500: #CD28B4;
  --color-600: #9B268A;
  --color-700: #6D2162;
  --color-800: #471A40;
  --color-900: #2B1228;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  tyrian-purple: {
    50: '#FEF0FC',
    100: '#FDD8F8',
    200: '#FCB1F0',
    300: '#F47BE2',
    400: '#E74BCF',
    500: '#CD28B4',
    600: '#9B268A',
    700: '#6D2162',
    800: '#471A40',
    900: '#2B1228',
  },
}

$base: #660357;
$base-ink: #FFFFFF;
$base-50: #FEF0FC;
$base-100: #FDD8F8;
$base-200: #FCB1F0;
$base-300: #F47BE2;
$base-400: #E74BCF;
$base-500: #CD28B4;
$base-600: #9B268A;
$base-700: #6D2162;
$base-800: #471A40;
$base-900: #2B1228;
$base-hover: #530347;
$base-subtle: #EE97E1;

{
    "color": {
        "base": {
            "value": "#660357",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0FC",
                "type": "color"
            },
            "100": {
                "value": "#FDD8F8",
                "type": "color"
            },
            "200": {
                "value": "#FCB1F0",
                "type": "color"
            },
            "300": {
                "value": "#F47BE2",
                "type": "color"
            },
            "400": {
                "value": "#E74BCF",
                "type": "color"
            },
            "500": {
                "value": "#CD28B4",
                "type": "color"
            },
            "600": {
                "value": "#9B268A",
                "type": "color"
            },
            "700": {
                "value": "#6D2162",
                "type": "color"
            },
            "800": {
                "value": "#471A40",
                "type": "color"
            },
            "900": {
                "value": "#2B1228",
                "type": "color"
            }
        }
    }
}