What color is #660E63?

#660E63 is a dark, vivid purple. In RGB it is rgb(102, 14, 99), and in HSL hsl(302, 76%, 23%).

Is #660E63 accessible as text?

On white, #660E63 has a contrast ratio of 11.62:1 (passes WCAG AA for body text); on black it is 1.81:1 (fails). For text placed on #660E63, use white for the best readability.

What is the closest Tailwind color to #660E63?

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

What colors go well with #660E63?

#660E63 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0E6711. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #660E63 below.

Is #660E63 good for buttons?

#660E63 works well for buttons and highlights, but use white text on #660E63 — black text only reaches 1.81:1, below the 4.5:1 needed for normal-size labels.

Is #660E63 the same as CSS purple?

No — #660E63 is not the CSS named color purple, but purple (#800080) is the closest CSS named color.

#660E63 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #660E63

Not just a swatch — here's how #660E63 works with other colors. Named schemes with #660E63 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #660E63 Anchor #141210 Accent #D79A52 Secondary #2F252E Surface #F3EDE3

Byzantium 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 #660E63 Secondary #7D472E Surface #ECD8C1 Accent #34524A Anchor #592234

Byzantium 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 #660E63 Anchor #2A2A2E Secondary #6F6E74 Surface #EEE5DA Accent #400029

Byzantium 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 Byzantium.

Berry & Cream Lead · 5 colors

Lead #660E63 Surface #F5E6D7 Anchor #5D203D Accent #E6C2C5 Secondary #332B2E

Byzantium 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 #660E63 Secondary #765973 Support #9C9087 Ink #18140F

Byzantium 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 Byzantium carrying the quiet middle.

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Color Lab

How #660E63 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 58/100

Neutral

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

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

Naturalness 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 39/100

Low

A faint retro warmth without tipping into sepia.

Luxury 66/100

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 62/100

High

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

Surface fit 16/100

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 #660E63

For UI

For branding

For interior

For fashion

People also use #660E63 with

Indigo Tyrian Purple Dark Green Gainsboro Byzantium

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 11.6:1. Use

Subtle surface Use #EDC2EC for cards and hover fills. Tint 80

Avoid beside #670E47 — 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 #660E63 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: #660E63;
  --color-base-rgb: 102 14 99;
  --color-base-oklch: oklch(36.3% 0.152 329.8);
  --color-50: #FEF1FD;
  --color-100: #FBDAFA;
  --color-200: #F5B7F3;
  --color-300: #E987E5;
  --color-400: #D85AD4;
  --color-500: #BD37B9;
  --color-600: #90328D;
  --color-700: #662964;
  --color-800: #431E42;
  --color-900: #291428;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  byzantium: {
    50: '#FEF1FD',
    100: '#FBDAFA',
    200: '#F5B7F3',
    300: '#E987E5',
    400: '#D85AD4',
    500: '#BD37B9',
    600: '#90328D',
    700: '#662964',
    800: '#431E42',
    900: '#291428',
  },
}

$base: #660E63;
$base-ink: #FFFFFF;
$base-50: #FEF1FD;
$base-100: #FBDAFA;
$base-200: #F5B7F3;
$base-300: #E987E5;
$base-400: #D85AD4;
$base-500: #BD37B9;
$base-600: #90328D;
$base-700: #662964;
$base-800: #431E42;
$base-900: #291428;
$base-hover: #530B50;
$base-subtle: #E6A2E4;

{
    "color": {
        "base": {
            "value": "#660E63",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF1FD",
                "type": "color"
            },
            "100": {
                "value": "#FBDAFA",
                "type": "color"
            },
            "200": {
                "value": "#F5B7F3",
                "type": "color"
            },
            "300": {
                "value": "#E987E5",
                "type": "color"
            },
            "400": {
                "value": "#D85AD4",
                "type": "color"
            },
            "500": {
                "value": "#BD37B9",
                "type": "color"
            },
            "600": {
                "value": "#90328D",
                "type": "color"
            },
            "700": {
                "value": "#662964",
                "type": "color"
            },
            "800": {
                "value": "#431E42",
                "type": "color"
            },
            "900": {
                "value": "#291428",
                "type": "color"
            }
        }
    }
}

Palettes built on #660E63

Color Lab

Pairs with #660E63

UI roles & guardrails

In real applications

Scales

Every model

Export