What color is #B40EA3?

#B40EA3 is a dark, vivid purple. In RGB it is rgb(180, 14, 163), and in HSL hsl(306, 86%, 38%).

Is #B40EA3 accessible as text?

On white, #B40EA3 has a contrast ratio of 5.95:1 (passes WCAG AA for body text); on black it is 3.53:1 (fails). For text placed on #B40EA3, use white for the best readability.

What is the closest Tailwind color to #B40EA3?

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

What colors go well with #B40EA3?

#B40EA3 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0EB41E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B40EA3 below.

Is #B40EA3 good for buttons?

#B40EA3 works well for buttons and highlights, but use white text on #B40EA3 — black text only reaches 3.53:1, below the 4.5:1 needed for normal-size labels.

Is #B40EA3 the same as CSS mediumvioletred?

No — #B40EA3 is not the CSS named color mediumvioletred, but mediumvioletred (#C71585) 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.

#B40EA3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B40EA3

Not just a swatch — here's how #B40EA3 works with other colors. Named schemes with #B40EA3 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #B40EA3 Surface #F4E6D7 Anchor #5D203D Accent #E6C2C5 Secondary #332B2E

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

Sunset Warmth Glow · 5 colors

Glow #B40EA3 Secondary #E86C62 Accent #F19741 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.

Modern Café Dominant · 5 colors

Dominant #B40EA3 Anchor #3B2922 Surface #F2E2D1 Accent #9C9462 Secondary #3C3833

Byzantine 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.

Vintage Leather Lead · 5 colors

Lead #B40EA3 Secondary #7D472D Surface #ECD8C1 Accent #464F38 Anchor #592233

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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #B40EA3 Secondary #B584AB 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.

Build a working theme in the generator →

Color Lab

How #B40EA3 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 62/100

Neutral

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

Softness 30/100

Low

Firm and assertive — carries weight and contrast.

Depth 51/100

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 18/100

Very low

Clean and current — no dusty, aged cast.

Luxury 46/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 90/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 71/100

High

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

Surface fit 11/100

Very low

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

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #B40EA3

For UI

For branding

For interior

For fashion

People also use #B40EA3 with

Blue Violet Viva Magenta Shamrock Green Gainsboro Eggplant

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 5.9:1. Use

Subtle surface Use #F3CCEF for cards and hover fills. Tint 80

Avoid beside #B40E6C — 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 #B40EA3 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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: #B40EA3;
  --color-base-rgb: 180 14 163;
  --color-base-oklch: oklch(53.3% 0.233 333.6);
  --color-50: #FEF0FD;
  --color-100: #FDD8F9;
  --color-200: #F9B3F2;
  --color-300: #EF80E4;
  --color-400: #E052D2;
  --color-500: #C62FB7;
  --color-600: #962B8C;
  --color-700: #6A2563;
  --color-800: #451C41;
  --color-900: #2A1328;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  byzantine: {
    50: '#FEF0FD',
    100: '#FDD8F9',
    200: '#F9B3F2',
    300: '#EF80E4',
    400: '#E052D2',
    500: '#C62FB7',
    600: '#962B8C',
    700: '#6A2563',
    800: '#451C41',
    900: '#2A1328',
  },
}

$base: #B40EA3;
$base-ink: #FFFFFF;
$base-50: #FEF0FD;
$base-100: #FDD8F9;
$base-200: #F9B3F2;
$base-300: #EF80E4;
$base-400: #E052D2;
$base-500: #C62FB7;
$base-600: #962B8C;
$base-700: #6A2563;
$base-800: #451C41;
$base-900: #2A1328;
$base-hover: #900B83;
$base-subtle: #EFB1E8;

{
    "color": {
        "base": {
            "value": "#B40EA3",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0FD",
                "type": "color"
            },
            "100": {
                "value": "#FDD8F9",
                "type": "color"
            },
            "200": {
                "value": "#F9B3F2",
                "type": "color"
            },
            "300": {
                "value": "#EF80E4",
                "type": "color"
            },
            "400": {
                "value": "#E052D2",
                "type": "color"
            },
            "500": {
                "value": "#C62FB7",
                "type": "color"
            },
            "600": {
                "value": "#962B8C",
                "type": "color"
            },
            "700": {
                "value": "#6A2563",
                "type": "color"
            },
            "800": {
                "value": "#451C41",
                "type": "color"
            },
            "900": {
                "value": "#2A1328",
                "type": "color"
            }
        }
    }
}

Palettes built on #B40EA3

Color Lab

Pairs with #B40EA3

UI roles & guardrails

In real applications

Scales

Every model

Export