What color is #663D64?

#663D64 is a dark, muted purple. In RGB it is rgb(102, 61, 100), and in HSL hsl(303, 25%, 32%).

Is #663D64 accessible as text?

On white, #663D64 has a contrast ratio of 8.69:1 (passes WCAG AA for body text); on black it is 2.42:1 (fails). For text placed on #663D64, use white for the best readability.

What is the closest Tailwind color to #663D64?

The nearest Tailwind CSS token is mauve-600 (#594C5B).

What colors go well with #663D64?

#663D64 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3D663F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #663D64 below.

Is #663D64 good for buttons?

#663D64 works well for buttons and highlights, but use white text on #663D64 — black text only reaches 2.42:1, below the 4.5:1 needed for normal-size labels.

Is #663D64 the same as CSS darkslateblue?

No — #663D64 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#663D64 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #663D64

Not just a swatch — here's how #663D64 works with other colors. Named schemes with #663D64 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #663D64 Surface #F5E6D7 Anchor #5D203D Accent #E6C2C5 Secondary #332B2E

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

Vintage Leather Lead · 5 colors

Lead #663D64 Secondary #7D472E Surface #ECD8C1 Accent #34524A Anchor #592234

Eggplant 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 #663D64 Anchor #3B2922 Surface #F2E2D1 Accent #9D9462 Secondary #3C3833

Eggplant 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.

Japanese Sand Base · 5 colors

Base #663D64 Surface #F1E8DC Highlight #F7F0E7 Secondary #BDADA1 Ink #2B2723

Eggplant sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #663D64 Secondary #7F707E Support #9C9087 Ink #18140F

Eggplant 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 Eggplant carrying the quiet middle.

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Color Lab

How #663D64 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 54/100

Neutral

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

Softness 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 57/100

Moderate

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

Naturalness 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 64/100

High

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 62/100

High

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

Brand distinctiveness 22/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 71/100

High

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

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #663D64

For UI

For branding

For interior

For fashion

People also use #663D64 with

Ultra Violet Eggplant Hunter Green Gainsboro

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 8.7:1. Use

Subtle surface Use #E3D6E2 for cards and hover fills. Tint 80

Avoid beside #663D56 — 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 #663D64 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: #663D64;
  --color-base-rgb: 102 61 100;
  --color-base-oklch: oklch(42.4% 0.081 328.6);
  --color-50: #F9F5F9;
  --color-100: #F0E5EF;
  --color-200: #E0CCDF;
  --color-300: #C8A7C6;
  --color-400: #AE84AC;
  --color-500: #90648E;
  --color-600: #70516F;
  --color-700: #513D50;
  --color-800: #362A36;
  --color-900: #221B22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  eggplant: {
    50: '#F9F5F9',
    100: '#F0E5EF',
    200: '#E0CCDF',
    300: '#C8A7C6',
    400: '#AE84AC',
    500: '#90648E',
    600: '#70516F',
    700: '#513D50',
    800: '#362A36',
    900: '#221B22',
  },
}

$base: #663D64;
$base-ink: #FFFFFF;
$base-50: #F9F5F9;
$base-100: #F0E5EF;
$base-200: #E0CCDF;
$base-300: #C8A7C6;
$base-400: #AE84AC;
$base-500: #90648E;
$base-600: #70516F;
$base-700: #513D50;
$base-800: #362A36;
$base-900: #221B22;
$base-hover: #523150;
$base-subtle: #D5C1D4;

{
    "color": {
        "base": {
            "value": "#663D64",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F5F9",
                "type": "color"
            },
            "100": {
                "value": "#F0E5EF",
                "type": "color"
            },
            "200": {
                "value": "#E0CCDF",
                "type": "color"
            },
            "300": {
                "value": "#C8A7C6",
                "type": "color"
            },
            "400": {
                "value": "#AE84AC",
                "type": "color"
            },
            "500": {
                "value": "#90648E",
                "type": "color"
            },
            "600": {
                "value": "#70516F",
                "type": "color"
            },
            "700": {
                "value": "#513D50",
                "type": "color"
            },
            "800": {
                "value": "#362A36",
                "type": "color"
            },
            "900": {
                "value": "#221B22",
                "type": "color"
            }
        }
    }
}

Palettes built on #663D64

Color Lab

Pairs with #663D64

UI roles & guardrails

In real applications

Scales

Every model

Export