What color is #663F4E?

#663F4E is a dark, muted rose. In RGB it is rgb(102, 63, 78), and in HSL hsl(337, 24%, 32%).

Is #663F4E accessible as text?

On white, #663F4E has a contrast ratio of 8.80:1 (passes WCAG AA for body text); on black it is 2.39:1 (fails). For text placed on #663F4E, use white for the best readability.

What is the closest Tailwind color to #663F4E?

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

What colors go well with #663F4E?

#663F4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3E6556. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #663F4E below.

Is #663F4E good for buttons?

#663F4E works well for buttons and highlights, but use white text on #663F4E — black text only reaches 2.39:1, below the 4.5:1 needed for normal-size labels.

Is #663F4E the same as CSS darkslategray?

No — #663F4E is not the CSS named color darkslategray, but darkslategray (#2F4F4F) 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.

#663F4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #663F4E

Not just a swatch — here's how #663F4E works with other colors. Named schemes with #663F4E in its natural role, and a note on why the supporting colors balance it.

Modern Café Dominant · 5 colors

Dominant #663F4E Anchor #3B2921 Surface #F1E2D1 Accent #9A9563 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.

Vintage Leather Lead · 5 colors

Lead #663F4E Secondary #7D482B Surface #EBD9C1 Accent #454F39 Anchor #5A2231

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.

Berry & Cream Lead · 5 colors

Lead #663F4E Surface #F4E6D7 Anchor #5E203A Accent #E6C2C4 Secondary #332B2E

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

Japanese Sand Base · 5 colors

Base #663F4E Surface #F1E8DC Highlight #F7F1E7 Secondary #BCAEA0 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 #663F4E Secondary #7E6F74 Support #9C9087 Ink #17140F

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.

Build a working theme in the generator →

Color Lab

How #663F4E 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 60/100

Neutral

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

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 56/100

Moderate

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

Naturalness 16/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 61/100

High

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

Luxury 61/100

High

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

Brand distinctiveness 23/100

Low

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

UI accent fit 61/100

High

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

Surface fit 40/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #663F4E

For UI

For branding

For interior

For fashion

People also use #663F4E with

Plum Liver Feldgrau Gainsboro Taupe

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 #E2D6DB for cards and hover fills. Tint 80

Avoid beside #653E40 — 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 #663F4E at work across the surfaces designers actually ship.

Website / UI

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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: #663F4E;
  --color-base-rgb: 102 63 78;
  --color-base-oklch: oklch(41.8% 0.058 355.3);
  --color-50: #F9F5F7;
  --color-100: #F0E5E9;
  --color-200: #E0CCD4;
  --color-300: #C7A8B4;
  --color-400: #AD8594;
  --color-500: #906575;
  --color-600: #70525D;
  --color-700: #513E45;
  --color-800: #362B2F;
  --color-900: #221B1E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  eggplant: {
    50: '#F9F5F7',
    100: '#F0E5E9',
    200: '#E0CCD4',
    300: '#C7A8B4',
    400: '#AD8594',
    500: '#906575',
    600: '#70525D',
    700: '#513E45',
    800: '#362B2F',
    900: '#221B1E',
  },
}

$base: #663F4E;
$base-ink: #FFFFFF;
$base-50: #F9F5F7;
$base-100: #F0E5E9;
$base-200: #E0CCD4;
$base-300: #C7A8B4;
$base-400: #AD8594;
$base-500: #906575;
$base-600: #70525D;
$base-700: #513E45;
$base-800: #362B2F;
$base-900: #221B1E;
$base-hover: #51323E;
$base-subtle: #D4C1C9;

{
    "color": {
        "base": {
            "value": "#663F4E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F5F7",
                "type": "color"
            },
            "100": {
                "value": "#F0E5E9",
                "type": "color"
            },
            "200": {
                "value": "#E0CCD4",
                "type": "color"
            },
            "300": {
                "value": "#C7A8B4",
                "type": "color"
            },
            "400": {
                "value": "#AD8594",
                "type": "color"
            },
            "500": {
                "value": "#906575",
                "type": "color"
            },
            "600": {
                "value": "#70525D",
                "type": "color"
            },
            "700": {
                "value": "#513E45",
                "type": "color"
            },
            "800": {
                "value": "#362B2F",
                "type": "color"
            },
            "900": {
                "value": "#221B1E",
                "type": "color"
            }
        }
    }
}

Palettes built on #663F4E

Color Lab

Pairs with #663F4E

UI roles & guardrails

In real applications

Scales

Every model

Export