What color is #5B185B?

#5B185B is a dark purple. In RGB it is rgb(91, 24, 91), and in HSL hsl(300, 58%, 23%).

Is #5B185B accessible as text?

On white, #5B185B has a contrast ratio of 12.16:1 (passes WCAG AA for body text); on black it is 1.73:1 (fails). For text placed on #5B185B, use white for the best readability.

What is the closest Tailwind color to #5B185B?

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

What colors go well with #5B185B?

#5B185B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #195D19. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #5B185B below.

Is #5B185B good for buttons?

#5B185B works well for buttons and highlights, but use white text on #5B185B — black text only reaches 1.73:1, below the 4.5:1 needed for normal-size labels.

Is #5B185B the same as CSS indigo?

No — #5B185B is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#5B185B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #5B185B

Not just a swatch — here's how #5B185B works with other colors. Named schemes with #5B185B in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #5B185B Anchor #141210 Accent #D79A52 Secondary #2E252E 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 #5B185B Anchor #2A2A2E Secondary #6F6E74 Surface #EEE5DA Accent #370325

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 #5B185B Surface #F5E6D7 Anchor #5D203D Accent #E6C2C5 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 #5B185B 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 #F7F4EF Accent #5B185B Secondary #6E576D 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 #5B185B 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 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

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

Naturalness 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 50/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 56/100

Moderate

Workable accent with care around contrast.

Surface fit 23/100

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 #5B185B

For UI

For branding

For interior

For fashion

People also use #5B185B 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 12.2:1. Use

Subtle surface Use #E8C7E8 for cards and hover fills. Tint 80

Avoid beside #5D1946 — 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 #5B185B 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: #5B185B;
  --color-base-rgb: 91 24 91;
  --color-base-oklch: oklch(34.8% 0.129 327.9);
  --color-50: #FCF2FC;
  --color-100: #F7DEF7;
  --color-200: #EEBFEE;
  --color-300: #DD92DD;
  --color-400: #C969C9;
  --color-500: #AD47AD;
  --color-600: #853D85;
  --color-700: #5F305F;
  --color-800: #3E233E;
  --color-900: #261726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  byzantium: {
    50: '#FCF2FC',
    100: '#F7DEF7',
    200: '#EEBFEE',
    300: '#DD92DD',
    400: '#C969C9',
    500: '#AD47AD',
    600: '#853D85',
    700: '#5F305F',
    800: '#3E233E',
    900: '#261726',
  },
}

$base: #5B185B;
$base-ink: #FFFFFF;
$base-50: #FCF2FC;
$base-100: #F7DEF7;
$base-200: #EEBFEE;
$base-300: #DD92DD;
$base-400: #C969C9;
$base-500: #AD47AD;
$base-600: #853D85;
$base-700: #5F305F;
$base-800: #3E233E;
$base-900: #261726;
$base-hover: #4A144A;
$base-subtle: #DEAADE;

{
    "color": {
        "base": {
            "value": "#5B185B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF2FC",
                "type": "color"
            },
            "100": {
                "value": "#F7DEF7",
                "type": "color"
            },
            "200": {
                "value": "#EEBFEE",
                "type": "color"
            },
            "300": {
                "value": "#DD92DD",
                "type": "color"
            },
            "400": {
                "value": "#C969C9",
                "type": "color"
            },
            "500": {
                "value": "#AD47AD",
                "type": "color"
            },
            "600": {
                "value": "#853D85",
                "type": "color"
            },
            "700": {
                "value": "#5F305F",
                "type": "color"
            },
            "800": {
                "value": "#3E233E",
                "type": "color"
            },
            "900": {
                "value": "#261726",
                "type": "color"
            }
        }
    }
}

Palettes built on #5B185B

Color Lab

Pairs with #5B185B

UI roles & guardrails

In real applications

Scales

Every model

Export