What color is #511166?

#511166 is a dark, vivid purple. In RGB it is rgb(81, 17, 102), and in HSL hsl(285, 71%, 23%).

Is #511166 accessible as text?

On white, #511166 has a contrast ratio of 12.95:1 (passes WCAG AA for body text); on black it is 1.62:1 (fails). For text placed on #511166, use white for the best readability.

What is the closest Tailwind color to #511166?

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

What colors go well with #511166?

#511166 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #266411. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #511166 below.

Is #511166 good for buttons?

#511166 works well for buttons and highlights, but use white text on #511166 — black text only reaches 1.62:1, below the 4.5:1 needed for normal-size labels.

Is #511166 the same as CSS indigo?

No — #511166 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#511166 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #511166

Not just a swatch — here's how #511166 works with other colors. Named schemes with #511166 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #511166 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 #511166 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #31002B

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 #511166 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 #511166 Secondary #7E4630 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 #511166 Secondary #67536F 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.

Build a working theme in the generator →

Color Lab

How #511166 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 47/100

Neutral

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

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 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 55/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 51/100

Moderate

Workable accent with care around contrast.

Surface fit 20/100

Very low

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

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #511166

For UI

For branding

For interior

For fashion

People also use #511166 with

Midnight Blue 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 12.9:1. Use

Subtle surface Use #E2C4EC for cards and hover fills. Tint 80

Avoid beside #64115D — 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 #511166 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: #511166;
  --color-base-rgb: 81 17 102;
  --color-base-oklch: oklch(33.3% 0.143 315.9);
  --color-50: #FAF1FD;
  --color-100: #F2DBFA;
  --color-200: #E5B9F3;
  --color-300: #CF8AE5;
  --color-400: #B65ED4;
  --color-500: #9A3CB9;
  --color-600: #77358D;
  --color-700: #562B64;
  --color-800: #391F42;
  --color-900: #231528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#FAF1FD',
    100: '#F2DBFA',
    200: '#E5B9F3',
    300: '#CF8AE5',
    400: '#B65ED4',
    500: '#9A3CB9',
    600: '#77358D',
    700: '#562B64',
    800: '#391F42',
    900: '#231528',
  },
}

$base: #511166;
$base-ink: #FFFFFF;
$base-50: #FAF1FD;
$base-100: #F2DBFA;
$base-200: #E5B9F3;
$base-300: #CF8AE5;
$base-400: #B65ED4;
$base-500: #9A3CB9;
$base-600: #77358D;
$base-700: #562B64;
$base-800: #391F42;
$base-900: #231528;
$base-hover: #400E50;
$base-subtle: #D4A4E4;

{
    "color": {
        "base": {
            "value": "#511166",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF1FD",
                "type": "color"
            },
            "100": {
                "value": "#F2DBFA",
                "type": "color"
            },
            "200": {
                "value": "#E5B9F3",
                "type": "color"
            },
            "300": {
                "value": "#CF8AE5",
                "type": "color"
            },
            "400": {
                "value": "#B65ED4",
                "type": "color"
            },
            "500": {
                "value": "#9A3CB9",
                "type": "color"
            },
            "600": {
                "value": "#77358D",
                "type": "color"
            },
            "700": {
                "value": "#562B64",
                "type": "color"
            },
            "800": {
                "value": "#391F42",
                "type": "color"
            },
            "900": {
                "value": "#231528",
                "type": "color"
            }
        }
    }
}