What color is #B643BC?

#B643BC is a medium purple. In RGB it is rgb(182, 67, 188), and in HSL hsl(297, 47%, 50%).

Is #B643BC accessible as text?

On white, #B643BC has a contrast ratio of 4.65:1 (passes WCAG AA for body text); on black it is 4.52:1 (passes). For text placed on #B643BC, use white for the best readability.

What is the closest Tailwind color to #B643BC?

The nearest Tailwind CSS token is fuchsia-700 (#A800B7).

What colors go well with #B643BC?

#B643BC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4ABB44. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B643BC below.

Is #B643BC good for buttons?

#B643BC works for buttons; white text has the higher contrast, so prefer it for labels.

Is #B643BC the same as CSS mediumorchid?

No — #B643BC is not the CSS named color mediumorchid, but mediumorchid (#BA55D3) is the closest CSS named color.

#B643BC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B643BC

Not just a swatch — here's how #B643BC works with other colors. Named schemes with #B643BC in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #B643BC Surface #F5E6D7 Anchor #5D203D Accent #E6C2C6 Secondary #332B2E

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

Tech Product Signal · 5 colors

Signal #B643BC Surface #14161A Highlight #F4F6F8 Secondary #5C6573 Accent #D972DD

Byzantine is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Byzantine.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #B643BC Secondary #BF97BF Support #9C9087 Ink #18140F

Byzantine 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 Byzantine carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #B643BC Secondary #E86C64 Accent #F19643 Anchor #5A3A54 Surface #F6E8D7

Byzantine glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Vintage Leather Lead · 5 colors

Lead #B643BC Secondary #7D472E Surface #ECD8C1 Accent #34524A Anchor #592234

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

Build a working theme in the generator →

Color Lab

How #B643BC 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 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 44/100

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 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 79/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 80/100

Very 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 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #B643BC

For UI

For branding

For interior

For fashion

People also use #B643BC with

Amethyst Mulberry Kelly Green Gainsboro Byzantium

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 4.6:1. Use

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

Avoid beside #BB4499 — 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 #B643BC 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: #B643BC;
  --color-base-rgb: 182 67 188;
  --color-base-oklch: oklch(58.7% 0.205 325.7);
  --color-50: #FBF3FB;
  --color-100: #F4E0F5;
  --color-200: #E7C3E9;
  --color-300: #D399D6;
  --color-400: #BC72C0;
  --color-500: #A051A4;
  --color-600: #7B447E;
  --color-700: #58345A;
  --color-800: #3B253C;
  --color-900: #241825;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  byzantine: {
    50: '#FBF3FB',
    100: '#F4E0F5',
    200: '#E7C3E9',
    300: '#D399D6',
    400: '#BC72C0',
    500: '#A051A4',
    600: '#7B447E',
    700: '#58345A',
    800: '#3B253C',
    900: '#241825',
  },
}

$base: #B643BC;
$base-ink: #FFFFFF;
$base-50: #FBF3FB;
$base-100: #F4E0F5;
$base-200: #E7C3E9;
$base-300: #D399D6;
$base-400: #BC72C0;
$base-500: #A051A4;
$base-600: #7B447E;
$base-700: #58345A;
$base-800: #3B253C;
$base-900: #241825;
$base-hover: #913696;
$base-subtle: #E5CBE6;

{
    "color": {
        "base": {
            "value": "#B643BC",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FBF3FB",
                "type": "color"
            },
            "100": {
                "value": "#F4E0F5",
                "type": "color"
            },
            "200": {
                "value": "#E7C3E9",
                "type": "color"
            },
            "300": {
                "value": "#D399D6",
                "type": "color"
            },
            "400": {
                "value": "#BC72C0",
                "type": "color"
            },
            "500": {
                "value": "#A051A4",
                "type": "color"
            },
            "600": {
                "value": "#7B447E",
                "type": "color"
            },
            "700": {
                "value": "#58345A",
                "type": "color"
            },
            "800": {
                "value": "#3B253C",
                "type": "color"
            },
            "900": {
                "value": "#241825",
                "type": "color"
            }
        }
    }
}