What color is #511863?

#511863 is a dark purple. In RGB it is rgb(81, 24, 99), and in HSL hsl(286, 61%, 24%).

Is #511863 accessible as text?

On white, #511863 has a contrast ratio of 12.65:1 (passes WCAG AA for body text); on black it is 1.66:1 (fails). For text placed on #511863, use white for the best readability.

What is the closest Tailwind color to #511863?

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

What colors go well with #511863?

#511863 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #296318. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #511863 below.

Is #511863 good for buttons?

#511863 works well for buttons and highlights, but use white text on #511863 — black text only reaches 1.66:1, below the 4.5:1 needed for normal-size labels.

Is #511863 the same as CSS indigo?

No — #511863 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#511863 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #511863

Not just a swatch — here's how #511863 works with other colors. Named schemes with #511863 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #511863 Anchor #141210 Accent #D89954 Secondary #2D2630 Surface #F3EDE3

Indigo 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 #511863 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #31022A

Indigo 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 Indigo.

Berry & Cream Lead · 5 colors

Lead #511863 Surface #F5E6D7 Anchor #5D203E Accent #E5C2C6 Secondary #332B2F

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

Vintage Leather Lead · 5 colors

Lead #511863 Secondary #7E462F Surface #ECD8C1 Accent #345249 Anchor #592235

Indigo 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 #511863 Secondary #68556F Support #9C9087 Ink #18140F

Indigo 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 Indigo carrying the quiet middle.

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Color Lab

How #511863 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 48/100

Neutral

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

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 41/100

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 51/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 53/100

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 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #511863

For UI

For branding

For interior

For fashion

People also use #511863 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 12.6:1. Use

Subtle surface Use #E1C7E9 for cards and hover fills. Tint 80

Avoid beside #63185B — 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 #511863 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: #511863;
  --color-base-rgb: 81 24 99;
  --color-base-oklch: oklch(33.8% 0.132 316.8);
  --color-50: #FAF2FC;
  --color-100: #F2DDF8;
  --color-200: #E3BDEF;
  --color-300: #CD90DF;
  --color-400: #B467CB;
  --color-500: #9745B0;
  --color-600: #753B87;
  --color-700: #552F60;
  --color-800: #38223F;
  --color-900: #231627;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#FAF2FC',
    100: '#F2DDF8',
    200: '#E3BDEF',
    300: '#CD90DF',
    400: '#B467CB',
    500: '#9745B0',
    600: '#753B87',
    700: '#552F60',
    800: '#38223F',
    900: '#231627',
  },
}

$base: #511863;
$base-ink: #FFFFFF;
$base-50: #FAF2FC;
$base-100: #F2DDF8;
$base-200: #E3BDEF;
$base-300: #CD90DF;
$base-400: #B467CB;
$base-500: #9745B0;
$base-600: #753B87;
$base-700: #552F60;
$base-800: #38223F;
$base-900: #231627;
$base-hover: #41134F;
$base-subtle: #D3AAE0;

{
    "color": {
        "base": {
            "value": "#511863",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF2FC",
                "type": "color"
            },
            "100": {
                "value": "#F2DDF8",
                "type": "color"
            },
            "200": {
                "value": "#E3BDEF",
                "type": "color"
            },
            "300": {
                "value": "#CD90DF",
                "type": "color"
            },
            "400": {
                "value": "#B467CB",
                "type": "color"
            },
            "500": {
                "value": "#9745B0",
                "type": "color"
            },
            "600": {
                "value": "#753B87",
                "type": "color"
            },
            "700": {
                "value": "#552F60",
                "type": "color"
            },
            "800": {
                "value": "#38223F",
                "type": "color"
            },
            "900": {
                "value": "#231627",
                "type": "color"
            }
        }
    }
}

Palettes built on #511863

Color Lab

Pairs with #511863

UI roles & guardrails

In real applications

Scales

Every model

Export