What color is #511155?

#511155 is a dark purple. In RGB it is rgb(81, 17, 85), and in HSL hsl(296, 67%, 20%).

Is #511155 accessible as text?

On white, #511155 has a contrast ratio of 13.45:1 (passes WCAG AA for body text); on black it is 1.56:1 (fails). For text placed on #511155, use white for the best readability.

What is the closest Tailwind color to #511155?

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

What colors go well with #511155?

#511155 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #155511. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #511155 below.

Is #511155 good for buttons?

#511155 works well for buttons and highlights, but use white text on #511155 — black text only reaches 1.56:1, below the 4.5:1 needed for normal-size labels.

Is #511155 the same as CSS indigo?

No — #511155 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#511155 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #511155

Not just a swatch — here's how #511155 works with other colors. Named schemes with #511155 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #511155 Anchor #141210 Accent #D79A53 Secondary #2E262E Surface #F3EDE3

Tyrian Purple 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 #511155 Anchor #2A2A2E Secondary #6F6E74 Surface #EEE5DA Accent #2E0020

Tyrian Purple 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 Tyrian Purple.

Berry & Cream Lead · 5 colors

Lead #511155 Surface #F5E6D7 Anchor #5D203D Accent #E6C2C6 Secondary #332B2E

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

Vintage Leather Lead · 5 colors

Lead #511155 Secondary #7D472E Surface #ECD8C1 Accent #34524A Anchor #592234

Tyrian Purple 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 #511155 Secondary #655066 Support #9C9087 Ink #18140F

Tyrian Purple 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 Tyrian Purple carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #511155 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 54/100

Neutral

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

High

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

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 72/100

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 46/100

Moderate

Workable accent with care around contrast.

Surface fit 26/100

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 #511155

For UI

For branding

For interior

For fashion

People also use #511155 with

Indigo Tyrian Purple Castleton 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 13.5:1. Use

Subtle surface Use #E7C3EA for cards and hover fills. Tint 80

Avoid beside #551143 — 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 #511155 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #511155;
  --color-base-rgb: 81 17 85;
  --color-base-oklch: oklch(32.1% 0.127 325.4);
  --color-50: #FCF2FD;
  --color-100: #F7DCF9;
  --color-200: #EEBBF1;
  --color-300: #DD8CE3;
  --color-400: #C962D0;
  --color-500: #AE3FB5;
  --color-600: #85378B;
  --color-700: #5F2C62;
  --color-800: #3E2041;
  --color-900: #261628;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  tyrian-purple: {
    50: '#FCF2FD',
    100: '#F7DCF9',
    200: '#EEBBF1',
    300: '#DD8CE3',
    400: '#C962D0',
    500: '#AE3FB5',
    600: '#85378B',
    700: '#5F2C62',
    800: '#3E2041',
    900: '#261628',
  },
}

$base: #511155;
$base-ink: #FFFFFF;
$base-50: #FCF2FD;
$base-100: #F7DCF9;
$base-200: #EEBBF1;
$base-300: #DD8CE3;
$base-400: #C962D0;
$base-500: #AE3FB5;
$base-600: #85378B;
$base-700: #5F2C62;
$base-800: #3E2041;
$base-900: #261628;
$base-hover: #400D44;
$base-subtle: #DDA3E1;

{
    "color": {
        "base": {
            "value": "#511155",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF2FD",
                "type": "color"
            },
            "100": {
                "value": "#F7DCF9",
                "type": "color"
            },
            "200": {
                "value": "#EEBBF1",
                "type": "color"
            },
            "300": {
                "value": "#DD8CE3",
                "type": "color"
            },
            "400": {
                "value": "#C962D0",
                "type": "color"
            },
            "500": {
                "value": "#AE3FB5",
                "type": "color"
            },
            "600": {
                "value": "#85378B",
                "type": "color"
            },
            "700": {
                "value": "#5F2C62",
                "type": "color"
            },
            "800": {
                "value": "#3E2041",
                "type": "color"
            },
            "900": {
                "value": "#261628",
                "type": "color"
            }
        }
    }
}

Palettes built on #511155

Color Lab

Pairs with #511155

UI roles & guardrails

In real applications

Scales

Every model

Export