What color is #643E6F?

#643E6F is a dark, muted purple. In RGB it is rgb(100, 62, 111), and in HSL hsl(287, 28%, 34%).

Is #643E6F accessible as text?

On white, #643E6F has a contrast ratio of 8.54:1 (passes WCAG AA for body text); on black it is 2.46:1 (fails). For text placed on #643E6F, use white for the best readability.

What is the closest Tailwind color to #643E6F?

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

What colors go well with #643E6F?

#643E6F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #496F3E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #643E6F below.

Is #643E6F good for buttons?

#643E6F works well for buttons and highlights, but use white text on #643E6F — black text only reaches 2.46:1, below the 4.5:1 needed for normal-size labels.

Is #643E6F the same as CSS darkslateblue?

No — #643E6F 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.

#643E6F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #643E6F

Not just a swatch — here's how #643E6F works with other colors. Named schemes with #643E6F in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #643E6F Surface #F5E6D7 Anchor #5D203E Accent #E5C2C6 Secondary #332B2E

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

Vintage Leather Lead · 5 colors

Lead #643E6F Secondary #7E462F Surface #ECD8C1 Accent #345249 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 #643E6F Anchor #3B2922 Surface #F2E2D1 Accent #9E9362 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.

Japanese Sand Base · 5 colors

Base #643E6F Surface #F1E8DC Highlight #F7F0E7 Secondary #BDADA1 Ink #2C2723

Eminence 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 #F8F4EF Accent #643E6F Secondary #7F7183 Support #9C9087 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.

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Color Lab

How #643E6F 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 49/100

Neutral

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

Softness 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 56/100

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 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 24/100

Low

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

UI accent fit 76/100

High

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

Surface fit 30/100

Low

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

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #643E6F

For UI

For branding

For interior

For fashion

People also use #643E6F with

Ultra Violet Eggplant Dark Olive 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 8.5:1. Use

Subtle surface Use #E1D7E4 for cards and hover fills. Tint 80

Avoid beside #6F3E69 — 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 #643E6F at work across the surfaces designers actually ship.

Website / UI

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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: #643E6F;
  --color-base-rgb: 100 62 111;
  --color-base-oklch: oklch(42.8% 0.090 318.4);
  --color-50: #F9F5FA;
  --color-100: #EEE5F1;
  --color-200: #DDCBE2;
  --color-300: #C2A6CA;
  --color-400: #A682B0;
  --color-500: #886293;
  --color-600: #6B4F72;
  --color-700: #4E3C53;
  --color-800: #342A37;
  --color-900: #211B22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  eminence: {
    50: '#F9F5FA',
    100: '#EEE5F1',
    200: '#DDCBE2',
    300: '#C2A6CA',
    400: '#A682B0',
    500: '#886293',
    600: '#6B4F72',
    700: '#4E3C53',
    800: '#342A37',
    900: '#211B22',
  },
}

$base: #643E6F;
$base-ink: #FFFFFF;
$base-50: #F9F5FA;
$base-100: #EEE5F1;
$base-200: #DDCBE2;
$base-300: #C2A6CA;
$base-400: #A682B0;
$base-500: #886293;
$base-600: #6B4F72;
$base-700: #4E3C53;
$base-800: #342A37;
$base-900: #211B22;
$base-hover: #503259;
$base-subtle: #D3C2D7;

{
    "color": {
        "base": {
            "value": "#643E6F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F5FA",
                "type": "color"
            },
            "100": {
                "value": "#EEE5F1",
                "type": "color"
            },
            "200": {
                "value": "#DDCBE2",
                "type": "color"
            },
            "300": {
                "value": "#C2A6CA",
                "type": "color"
            },
            "400": {
                "value": "#A682B0",
                "type": "color"
            },
            "500": {
                "value": "#886293",
                "type": "color"
            },
            "600": {
                "value": "#6B4F72",
                "type": "color"
            },
            "700": {
                "value": "#4E3C53",
                "type": "color"
            },
            "800": {
                "value": "#342A37",
                "type": "color"
            },
            "900": {
                "value": "#211B22",
                "type": "color"
            }
        }
    }
}

Palettes built on #643E6F

Color Lab

Pairs with #643E6F

UI roles & guardrails

In real applications

Scales

Every model

Export