What color is #551B60?

#551B60 is a dark purple. In RGB it is rgb(85, 27, 96), and in HSL hsl(290, 56%, 24%).

Is #551B60 accessible as text?

On white, #551B60 has a contrast ratio of 12.27:1 (passes WCAG AA for body text); on black it is 1.71:1 (fails). For text placed on #551B60, use white for the best readability.

What is the closest Tailwind color to #551B60?

The nearest Tailwind CSS token is fuchsia-950 (#4B004F).

What colors go well with #551B60?

#551B60 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #265F1B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #551B60 below.

Is #551B60 good for buttons?

#551B60 works well for buttons and highlights, but use white text on #551B60 — black text only reaches 1.71:1, below the 4.5:1 needed for normal-size labels.

Is #551B60 the same as CSS indigo?

No — #551B60 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#551B60 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #551B60

Not just a swatch — here's how #551B60 works with other colors. Named schemes with #551B60 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #551B60 Anchor #141210 Accent #D89953 Secondary #2D262F 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 #551B60 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #340429

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 #551B60 Surface #F5E6D7 Anchor #5D203E Accent #E5C2C6 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 #551B60 Secondary #7E472F Surface #ECD8C1 Accent #345249 Anchor #592235

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 #551B60 Secondary #6B576F 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 #551B60 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 51/100

Neutral

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 67/100

High

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 70/100

High

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

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 55/100

Moderate

Workable accent with care around contrast.

Surface fit 24/100

Low

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

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #551B60

For UI

For branding

For interior

For fashion

People also use #551B60 with

Indigo Tyrian Purple Dark Green Gainsboro Eggplant

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 12.3:1. Use

Subtle surface Use #E3C9E8 for cards and hover fills. Tint 80

Avoid beside #5F1B54 — 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 #551B60 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: #551B60;
  --color-base-rgb: 85 27 96;
  --color-base-oklch: oklch(34.5% 0.126 320.9);
  --color-50: #FAF3FC;
  --color-100: #F3DFF7;
  --color-200: #E5BFED;
  --color-300: #D093DC;
  --color-400: #B86BC7;
  --color-500: #9B49AC;
  --color-600: #783E84;
  --color-700: #56315E;
  --color-800: #39233E;
  --color-900: #241726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  byzantium: {
    50: '#FAF3FC',
    100: '#F3DFF7',
    200: '#E5BFED',
    300: '#D093DC',
    400: '#B86BC7',
    500: '#9B49AC',
    600: '#783E84',
    700: '#56315E',
    800: '#39233E',
    900: '#241726',
  },
}

$base: #551B60;
$base-ink: #FFFFFF;
$base-50: #FAF3FC;
$base-100: #F3DFF7;
$base-200: #E5BFED;
$base-300: #D093DC;
$base-400: #B86BC7;
$base-500: #9B49AC;
$base-600: #783E84;
$base-700: #56315E;
$base-800: #39233E;
$base-900: #241726;
$base-hover: #43164C;
$base-subtle: #D5ACDE;

{
    "color": {
        "base": {
            "value": "#551B60",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF3FC",
                "type": "color"
            },
            "100": {
                "value": "#F3DFF7",
                "type": "color"
            },
            "200": {
                "value": "#E5BFED",
                "type": "color"
            },
            "300": {
                "value": "#D093DC",
                "type": "color"
            },
            "400": {
                "value": "#B86BC7",
                "type": "color"
            },
            "500": {
                "value": "#9B49AC",
                "type": "color"
            },
            "600": {
                "value": "#783E84",
                "type": "color"
            },
            "700": {
                "value": "#56315E",
                "type": "color"
            },
            "800": {
                "value": "#39233E",
                "type": "color"
            },
            "900": {
                "value": "#241726",
                "type": "color"
            }
        }
    }
}

Palettes built on #551B60

Color Lab

Pairs with #551B60

UI roles & guardrails

In real applications

Scales

Every model

Export