What color is #66367E?

#66367E is a dark purple. In RGB it is rgb(102, 54, 126), and in HSL hsl(280, 40%, 35%).

Is #66367E accessible as text?

On white, #66367E has a contrast ratio of 8.77:1 (passes WCAG AA for body text); on black it is 2.39:1 (fails). For text placed on #66367E, use white for the best readability.

What is the closest Tailwind color to #66367E?

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

What colors go well with #66367E?

#66367E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4D7D36. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #66367E below.

Is #66367E good for buttons?

#66367E works well for buttons and highlights, but use white text on #66367E — black text only reaches 2.39:1, below the 4.5:1 needed for normal-size labels.

Is #66367E the same as CSS rebeccapurple?

No — #66367E is not the CSS named color rebeccapurple, but rebeccapurple (#663399) is the closest CSS named color.

#66367E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #66367E

Not just a swatch — here's how #66367E works with other colors. Named schemes with #66367E in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #66367E Surface #F5E6D7 Anchor #5C213F Accent #E5C2C6 Secondary #332B2F

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

Vintage Leather Lead · 5 colors

Lead #66367E Secondary #7E4630 Surface #ECD8C1 Accent #355249 Anchor #592235

Eminence 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 #66367E Anchor #3B2922 Surface #F2E2D1 Accent #9F9362 Secondary #3C3733

Eminence 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 #66367E Secondary #7F6F89 Support #9C9088 Ink #18140F

Eminence 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 Eminence carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #66367E Surface #14161A Highlight #F4F6F8 Secondary #5C6573 Accent #875B9E

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

Build a working theme in the generator →

Color Lab

How #66367E 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 46/100

Neutral

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 58/100

Moderate

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 51/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 63/100

High

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

Brand distinctiveness 34/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 82/100

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 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #66367E

For UI

For branding

For interior

For fashion

People also use #66367E with

Dark Slate Blue Byzantium Fern 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 8.8:1. Use

Subtle surface Use #E1D4E7 for cards and hover fills. Tint 80

Avoid beside #7D367D — 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 #66367E 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: #66367E;
  --color-base-rgb: 102 54 126;
  --color-base-oklch: oklch(42.6% 0.124 313.1);
  --color-50: #F8F4FB;
  --color-100: #EDE2F3;
  --color-200: #DCC6E6;
  --color-300: #C09ED1;
  --color-400: #A478BA;
  --color-500: #86579E;
  --color-600: #69487A;
  --color-700: #4D3758;
  --color-800: #34273A;
  --color-900: #201924;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  eminence: {
    50: '#F8F4FB',
    100: '#EDE2F3',
    200: '#DCC6E6',
    300: '#C09ED1',
    400: '#A478BA',
    500: '#86579E',
    600: '#69487A',
    700: '#4D3758',
    800: '#34273A',
    900: '#201924',
  },
}

$base: #66367E;
$base-ink: #FFFFFF;
$base-50: #F8F4FB;
$base-100: #EDE2F3;
$base-200: #DCC6E6;
$base-300: #C09ED1;
$base-400: #A478BA;
$base-500: #86579E;
$base-600: #69487A;
$base-700: #4D3758;
$base-800: #34273A;
$base-900: #201924;
$base-hover: #512B64;
$base-subtle: #D2BEDC;

{
    "color": {
        "base": {
            "value": "#66367E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F4FB",
                "type": "color"
            },
            "100": {
                "value": "#EDE2F3",
                "type": "color"
            },
            "200": {
                "value": "#DCC6E6",
                "type": "color"
            },
            "300": {
                "value": "#C09ED1",
                "type": "color"
            },
            "400": {
                "value": "#A478BA",
                "type": "color"
            },
            "500": {
                "value": "#86579E",
                "type": "color"
            },
            "600": {
                "value": "#69487A",
                "type": "color"
            },
            "700": {
                "value": "#4D3758",
                "type": "color"
            },
            "800": {
                "value": "#34273A",
                "type": "color"
            },
            "900": {
                "value": "#201924",
                "type": "color"
            }
        }
    }
}