What color is #643281?

#643281 is a dark violet. In RGB it is rgb(100, 50, 129), and in HSL hsl(278, 44%, 35%).

Is #643281 accessible as text?

On white, #643281 has a contrast ratio of 9.07:1 (passes WCAG AA for body text); on black it is 2.32:1 (fails). For text placed on #643281, use white for the best readability.

What is the closest Tailwind color to #643281?

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

What colors go well with #643281?

#643281 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F8132. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #643281 below.

Is #643281 good for buttons?

#643281 works well for buttons and highlights, but use white text on #643281 — black text only reaches 2.32:1, below the 4.5:1 needed for normal-size labels.

Is #643281 the same as CSS rebeccapurple?

No — #643281 is not the CSS named color rebeccapurple, but rebeccapurple (#663399) is the closest CSS named color.

#643281 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #643281

Not just a swatch — here's how #643281 works with other colors. Named schemes with #643281 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #643281 Surface #F5E6D7 Anchor #5C213F Accent #E5C2C7 Secondary #332B2F

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

Coastal Morning Lead · 5 colors

Lead #643281 Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #24334B

Eminence opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Vintage Leather Lead · 5 colors

Lead #643281 Secondary #7E4630 Surface #EDD8C1 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 #643281 Anchor #3B2923 Surface #F2E1D1 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 #643281 Secondary #7D6D89 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.

Build a working theme in the generator →

Color Lab

How #643281 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 44/100

Neutral

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 59/100

Moderate

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 47/100

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 36/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 81/100

Very high

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

Surface fit 17/100

Very low

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

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #643281

For UI

For branding

For interior

For fashion

People also use #643281 with

Dark Slate Blue Byzantium Avocado Gainsboro Onyx

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 9.1:1. Use

Subtle surface Use #E1D3E8 for cards and hover fills. Tint 80

Avoid beside #7E3281 — 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 #643281 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: #643281;
  --color-base-rgb: 100 50 129;
  --color-base-oklch: oklch(41.9% 0.133 311.2);
  --color-50: #F8F4FB;
  --color-100: #EDE1F4;
  --color-200: #DBC4E8;
  --color-300: #BF9BD4;
  --color-400: #A375BD;
  --color-500: #8554A1;
  --color-600: #68467C;
  --color-700: #4C3659;
  --color-800: #33263B;
  --color-900: #201925;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  eminence: {
    50: '#F8F4FB',
    100: '#EDE1F4',
    200: '#DBC4E8',
    300: '#BF9BD4',
    400: '#A375BD',
    500: '#8554A1',
    600: '#68467C',
    700: '#4C3659',
    800: '#33263B',
    900: '#201925',
  },
}

$base: #643281;
$base-ink: #FFFFFF;
$base-50: #F8F4FB;
$base-100: #EDE1F4;
$base-200: #DBC4E8;
$base-300: #BF9BD4;
$base-400: #A375BD;
$base-500: #8554A1;
$base-600: #68467C;
$base-700: #4C3659;
$base-800: #33263B;
$base-900: #201925;
$base-hover: #502867;
$base-subtle: #D2BDDE;

{
    "color": {
        "base": {
            "value": "#643281",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F4FB",
                "type": "color"
            },
            "100": {
                "value": "#EDE1F4",
                "type": "color"
            },
            "200": {
                "value": "#DBC4E8",
                "type": "color"
            },
            "300": {
                "value": "#BF9BD4",
                "type": "color"
            },
            "400": {
                "value": "#A375BD",
                "type": "color"
            },
            "500": {
                "value": "#8554A1",
                "type": "color"
            },
            "600": {
                "value": "#68467C",
                "type": "color"
            },
            "700": {
                "value": "#4C3659",
                "type": "color"
            },
            "800": {
                "value": "#33263B",
                "type": "color"
            },
            "900": {
                "value": "#201925",
                "type": "color"
            }
        }
    }
}