What color is #640D69?

#640D69 is a dark, vivid purple. In RGB it is rgb(100, 13, 105), and in HSL hsl(297, 78%, 23%).

Is #640D69 accessible as text?

On white, #640D69 has a contrast ratio of 11.64:1 (passes WCAG AA for body text); on black it is 1.80:1 (fails). For text placed on #640D69, use white for the best readability.

What is the closest Tailwind color to #640D69?

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

What colors go well with #640D69?

#640D69 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #11680D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #640D69 below.

Is #640D69 good for buttons?

#640D69 works well for buttons and highlights, but use white text on #640D69 — black text only reaches 1.80:1, below the 4.5:1 needed for normal-size labels.

Is #640D69 the same as CSS purple?

No — #640D69 is not the CSS named color purple, but purple (#800080) is the closest CSS named color.

#640D69 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #640D69

Not just a swatch — here's how #640D69 works with other colors. Named schemes with #640D69 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #640D69 Anchor #141210 Accent #D79A53 Secondary #2E262E Surface #F3EDE3

Byzantium carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #640D69 Anchor #2A2A2E Secondary #6F6E74 Surface #EEE5DA Accent #3F002D

Byzantium adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Byzantium.

Berry & Cream Lead · 5 colors

Lead #640D69 Surface #F5E6D7 Anchor #5D203D Accent #E6C2C6 Secondary #332B2E

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

Vintage Leather Lead · 5 colors

Lead #640D69 Secondary #7D472E Surface #ECD8C1 Accent #34524A Anchor #592234

Byzantium plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #640D69 Secondary #755975 Support #9C9087 Ink #18140F

Byzantium 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 Byzantium carrying the quiet middle.

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Color Lab

How #640D69 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 55/100

Neutral

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

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

Brand distinctiveness 61/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 61/100

High

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

Surface fit 16/100

Very low

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

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #640D69

For UI

For branding

For interior

For fashion

People also use #640D69 with

Indigo Tyrian Purple Dark Green Gainsboro Byzantium

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 11.6:1. Use

Subtle surface Use #ECC2EE for cards and hover fills. Tint 80

Avoid beside #680D4E — 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 #640D69 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: #640D69;
  --color-base-rgb: 100 13 105;
  --color-base-oklch: oklch(36.3% 0.157 325.6);
  --color-50: #FDF1FE;
  --color-100: #FADAFB;
  --color-200: #F3B6F6;
  --color-300: #E585EA;
  --color-400: #D358DA;
  --color-500: #B836BF;
  --color-600: #8D3091;
  --color-700: #642867;
  --color-800: #411E43;
  --color-900: #281429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  byzantium: {
    50: '#FDF1FE',
    100: '#FADAFB',
    200: '#F3B6F6',
    300: '#E585EA',
    400: '#D358DA',
    500: '#B836BF',
    600: '#8D3091',
    700: '#642867',
    800: '#411E43',
    900: '#281429',
  },
}

$base: #640D69;
$base-ink: #FFFFFF;
$base-50: #FDF1FE;
$base-100: #FADAFB;
$base-200: #F3B6F6;
$base-300: #E585EA;
$base-400: #D358DA;
$base-500: #B836BF;
$base-600: #8D3091;
$base-700: #642867;
$base-800: #411E43;
$base-900: #281429;
$base-hover: #500A54;
$base-subtle: #E4A1E7;

{
    "color": {
        "base": {
            "value": "#640D69",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDF1FE",
                "type": "color"
            },
            "100": {
                "value": "#FADAFB",
                "type": "color"
            },
            "200": {
                "value": "#F3B6F6",
                "type": "color"
            },
            "300": {
                "value": "#E585EA",
                "type": "color"
            },
            "400": {
                "value": "#D358DA",
                "type": "color"
            },
            "500": {
                "value": "#B836BF",
                "type": "color"
            },
            "600": {
                "value": "#8D3091",
                "type": "color"
            },
            "700": {
                "value": "#642867",
                "type": "color"
            },
            "800": {
                "value": "#411E43",
                "type": "color"
            },
            "900": {
                "value": "#281429",
                "type": "color"
            }
        }
    }
}

Palettes built on #640D69

Color Lab

Pairs with #640D69

UI roles & guardrails

In real applications

Scales

Every model

Export