What color is #51186C?

#51186C is a dark purple. In RGB it is rgb(81, 24, 108), and in HSL hsl(281, 64%, 26%).

Is #51186C accessible as text?

On white, #51186C has a contrast ratio of 12.37:1 (passes WCAG AA for body text); on black it is 1.70:1 (fails). For text placed on #51186C, use white for the best readability.

What is the closest Tailwind color to #51186C?

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

What colors go well with #51186C?

#51186C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #336D18. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #51186C below.

Is #51186C good for buttons?

#51186C works well for buttons and highlights, but use white text on #51186C — black text only reaches 1.70:1, below the 4.5:1 needed for normal-size labels.

Is #51186C the same as CSS indigo?

No — #51186C is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#51186C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #51186C

Not just a swatch — here's how #51186C works with other colors. Named schemes with #51186C in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #51186C Anchor #141210 Accent #D99954 Secondary #2C2630 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 #51186C Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #330230

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 #51186C Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #24334B

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 #51186C Surface #F5E6D7 Anchor #5C213F Accent #E5C2C6 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 #51186C Secondary #685773 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 #51186C 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 44/100

Neutral

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 67/100

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 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 54/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 55/100

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 #51186C

For UI

For branding

For interior

For fashion

People also use #51186C with

Klein Blue Byzantium 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 12.4:1. Use

Subtle surface Use #E0C8EB for cards and hover fills. Tint 80

Avoid beside #6D186B — 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 #51186C 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: #51186C;
  --color-base-rgb: 81 24 108;
  --color-base-oklch: oklch(34.5% 0.141 312.3);
  --color-50: #F9F2FD;
  --color-100: #F0DDF8;
  --color-200: #E0BCF0;
  --color-300: #C78EE1;
  --color-400: #AC64CE;
  --color-500: #8F42B3;
  --color-600: #703989;
  --color-700: #512E61;
  --color-800: #362140;
  --color-900: #221627;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F9F2FD',
    100: '#F0DDF8',
    200: '#E0BCF0',
    300: '#C78EE1',
    400: '#AC64CE',
    500: '#8F42B3',
    600: '#703989',
    700: '#512E61',
    800: '#362140',
    900: '#221627',
  },
}

$base: #51186C;
$base-ink: #FFFFFF;
$base-50: #F9F2FD;
$base-100: #F0DDF8;
$base-200: #E0BCF0;
$base-300: #C78EE1;
$base-400: #AC64CE;
$base-500: #8F42B3;
$base-600: #703989;
$base-700: #512E61;
$base-800: #362140;
$base-900: #221627;
$base-hover: #411357;
$base-subtle: #D0ABE2;

{
    "color": {
        "base": {
            "value": "#51186C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F2FD",
                "type": "color"
            },
            "100": {
                "value": "#F0DDF8",
                "type": "color"
            },
            "200": {
                "value": "#E0BCF0",
                "type": "color"
            },
            "300": {
                "value": "#C78EE1",
                "type": "color"
            },
            "400": {
                "value": "#AC64CE",
                "type": "color"
            },
            "500": {
                "value": "#8F42B3",
                "type": "color"
            },
            "600": {
                "value": "#703989",
                "type": "color"
            },
            "700": {
                "value": "#512E61",
                "type": "color"
            },
            "800": {
                "value": "#362140",
                "type": "color"
            },
            "900": {
                "value": "#221627",
                "type": "color"
            }
        }
    }
}