What color is #B551CB?

#B551CB is a medium purple. In RGB it is rgb(181, 81, 203), and in HSL hsl(289, 54%, 56%).

Is #B551CB accessible as text?

On white, #B551CB has a contrast ratio of 4.20:1 (fails WCAG AA for body text); on black it is 5.00:1 (passes). For text placed on #B551CB, use black for the best readability.

What is the closest Tailwind color to #B551CB?

The nearest Tailwind CSS token is purple-500 (#AD46FF).

What colors go well with #B551CB?

#B551CB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #68CB52. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B551CB below.

Is #B551CB good for buttons?

#B551CB works well for buttons and highlights, but use black text on #B551CB — white text only reaches 4.20:1, below the 4.5:1 needed for normal-size labels.

Is #B551CB the same as CSS mediumorchid?

No — #B551CB is not the CSS named color mediumorchid, but mediumorchid (#BA55D3) is the closest CSS named color.

#B551CB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B551CB

Not just a swatch — here's how #B551CB works with other colors. Named schemes with #B551CB in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #B551CB Surface #F5E6D7 Anchor #5D203E Accent #E5C2C6 Secondary #332B2E

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

Tech Product Signal · 5 colors

Signal #B551CB Surface #14161A Highlight #F4F6F8 Secondary #5C6573 Accent #D87EEC

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #B551CB Secondary #C2A0CA Support #9C9087 Ink #18140F

Medium Orchid 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 Medium Orchid carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #B551CB Secondary #E86B66 Accent #F29644 Anchor #593A55 Surface #F6E8D7

Medium Orchid 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 #B551CB Secondary #7E462F Surface #ECD8C1 Accent #345249 Anchor #592235

Medium Orchid 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 #B551CB 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 50/100

Neutral

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

Softness 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 42/100

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 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 77/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 78/100

High

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

Surface fit 18/100

Very low

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

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #B551CB

For UI

For branding

For interior

For fashion

People also use #B551CB with

Medium Purple Mulberry Shamrock Gainsboro Eggplant

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 4.4:1. Use

Subtle surface Use #EEE0F1 for cards and hover fills. Tint 80

Avoid beside #CB52B9 — 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 #B551CB 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: #B551CB;
  --color-base-rgb: 181 81 203;
  --color-base-oklch: oklch(61.0% 0.198 320.0);
  --color-50: #FAF3FC;
  --color-100: #F2DFF6;
  --color-200: #E4C0EC;
  --color-300: #CE95DA;
  --color-400: #B56CC6;
  --color-500: #994BAA;
  --color-600: #763F83;
  --color-700: #55325D;
  --color-800: #39233D;
  --color-900: #231726;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-orchid: {
    50: '#FAF3FC',
    100: '#F2DFF6',
    200: '#E4C0EC',
    300: '#CE95DA',
    400: '#B56CC6',
    500: '#994BAA',
    600: '#763F83',
    700: '#55325D',
    800: '#39233D',
    900: '#231726',
  },
}

$base: #B551CB;
$base-ink: #141310;
$base-50: #FAF3FC;
$base-100: #F2DFF6;
$base-200: #E4C0EC;
$base-300: #CE95DA;
$base-400: #B56CC6;
$base-500: #994BAA;
$base-600: #763F83;
$base-700: #55325D;
$base-800: #39233D;
$base-900: #231726;
$base-hover: #9935B0;
$base-subtle: #E6D0EB;

{
    "color": {
        "base": {
            "value": "#B551CB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF3FC",
                "type": "color"
            },
            "100": {
                "value": "#F2DFF6",
                "type": "color"
            },
            "200": {
                "value": "#E4C0EC",
                "type": "color"
            },
            "300": {
                "value": "#CE95DA",
                "type": "color"
            },
            "400": {
                "value": "#B56CC6",
                "type": "color"
            },
            "500": {
                "value": "#994BAA",
                "type": "color"
            },
            "600": {
                "value": "#763F83",
                "type": "color"
            },
            "700": {
                "value": "#55325D",
                "type": "color"
            },
            "800": {
                "value": "#39233D",
                "type": "color"
            },
            "900": {
                "value": "#231726",
                "type": "color"
            }
        }
    }
}

Palettes built on #B551CB

Color Lab

Pairs with #B551CB

UI roles & guardrails

In real applications

Scales

Every model

Export