What color is #511D72?

#511D72 is a dark violet. In RGB it is rgb(81, 29, 114), and in HSL hsl(277, 59%, 28%).

Is #511D72 accessible as text?

On white, #511D72 has a contrast ratio of 11.87:1 (passes WCAG AA for body text); on black it is 1.77:1 (fails). For text placed on #511D72, use white for the best readability.

What is the closest Tailwind color to #511D72?

The nearest Tailwind CSS token is purple-900 (#59168B).

What colors go well with #511D72?

#511D72 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3E721D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #511D72 below.

Is #511D72 good for buttons?

#511D72 works well for buttons and highlights, but use white text on #511D72 — black text only reaches 1.77:1, below the 4.5:1 needed for normal-size labels.

Is #511D72 the same as CSS indigo?

No — #511D72 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#511D72 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #511D72

Not just a swatch — here's how #511D72 works with other colors. Named schemes with #511D72 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #511D72 Anchor #141210 Accent #D99955 Secondary #2C2631 Surface #F3ECE3

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 #511D72 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #340536

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.

Coastal Morning Lead · 5 colors

Lead #511D72 Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

Indigo opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Berry & Cream Lead · 5 colors

Lead #511D72 Surface #F5E6D7 Anchor #5C213F Accent #E5C2C7 Secondary #332B2F

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #511D72 Secondary #6A5A78 Support #9C9088 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 #511D72 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 42/100

Neutral

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 39/100

Low

A faint retro warmth without tipping into sepia.

Luxury 68/100

High

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

Brand distinctiveness 54/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 59/100

Moderate

Workable accent with care around contrast.

Surface fit 19/100

Very low

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

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #511D72

For UI

For branding

For interior

For fashion

People also use #511D72 with

Egyptian Blue Byzantium Dark Olive Green Gainsboro Onyx

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 11.9:1. Use

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

Avoid beside #6D1D72 — 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 #511D72 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #511D72;
  --color-base-rgb: 81 29 114;
  --color-base-oklch: oklch(35.5% 0.141 308.8);
  --color-50: #F9F2FC;
  --color-100: #EEDEF7;
  --color-200: #DCBEEE;
  --color-300: #C092DE;
  --color-400: #A468CA;
  --color-500: #8746AE;
  --color-600: #693C86;
  --color-700: #4D305F;
  --color-800: #34223F;
  --color-900: #201727;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F9F2FC',
    100: '#EEDEF7',
    200: '#DCBEEE',
    300: '#C092DE',
    400: '#A468CA',
    500: '#8746AE',
    600: '#693C86',
    700: '#4D305F',
    800: '#34223F',
    900: '#201727',
  },
}

$base: #511D72;
$base-ink: #FFFFFF;
$base-50: #F9F2FC;
$base-100: #EEDEF7;
$base-200: #DCBEEE;
$base-300: #C092DE;
$base-400: #A468CA;
$base-500: #8746AE;
$base-600: #693C86;
$base-700: #4D305F;
$base-800: #34223F;
$base-900: #201727;
$base-hover: #41175B;
$base-subtle: #CEAFE1;

{
    "color": {
        "base": {
            "value": "#511D72",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F2FC",
                "type": "color"
            },
            "100": {
                "value": "#EEDEF7",
                "type": "color"
            },
            "200": {
                "value": "#DCBEEE",
                "type": "color"
            },
            "300": {
                "value": "#C092DE",
                "type": "color"
            },
            "400": {
                "value": "#A468CA",
                "type": "color"
            },
            "500": {
                "value": "#8746AE",
                "type": "color"
            },
            "600": {
                "value": "#693C86",
                "type": "color"
            },
            "700": {
                "value": "#4D305F",
                "type": "color"
            },
            "800": {
                "value": "#34223F",
                "type": "color"
            },
            "900": {
                "value": "#201727",
                "type": "color"
            }
        }
    }
}