What color is #51137C?

#51137C is a dark, vivid violet. In RGB it is rgb(81, 19, 124), and in HSL hsl(275, 73%, 28%).

Is #51137C accessible as text?

On white, #51137C has a contrast ratio of 12.11:1 (passes WCAG AA for body text); on black it is 1.73:1 (fails). For text placed on #51137C, use white for the best readability.

What is the closest Tailwind color to #51137C?

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

What colors go well with #51137C?

#51137C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3F7C13. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #51137C below.

Is #51137C good for buttons?

#51137C works well for buttons and highlights, but use white text on #51137C — black text only reaches 1.73:1, below the 4.5:1 needed for normal-size labels.

Is #51137C the same as CSS indigo?

No — #51137C is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#51137C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #51137C

Not just a swatch — here's how #51137C works with other colors. Named schemes with #51137C in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #51137C Anchor #141210 Accent #D99855 Secondary #2B2631 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 #51137C Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #35003B

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 #51137C 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 #51137C 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 #51137C Secondary #69597B 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.

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Color Lab

How #51137C 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 38/100

Neutral

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

Softness 26/100

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 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

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

Brand distinctiveness 63/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 57/100

Moderate

Workable accent with care around contrast.

Surface fit 17/100

Very low

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

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #51137C

For UI

For branding

For interior

For fashion

People also use #51137C with

Zaffre Purple 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 12.1:1. Use

Subtle surface Use #DDC7EE for cards and hover fills. Tint 80

Avoid beside #73137C — 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 #51137C 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: #51137C;
  --color-base-rgb: 81 19 124;
  --color-base-oklch: oklch(35.3% 0.162 306.0);
  --color-50: #F8F1FD;
  --color-100: #EDDBFA;
  --color-200: #DBB9F4;
  --color-300: #BF88E7;
  --color-400: #A35DD5;
  --color-500: #853ABB;
  --color-600: #68338E;
  --color-700: #4C2A65;
  --color-800: #331F42;
  --color-900: #201528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F8F1FD',
    100: '#EDDBFA',
    200: '#DBB9F4',
    300: '#BF88E7',
    400: '#A35DD5',
    500: '#853ABB',
    600: '#68338E',
    700: '#4C2A65',
    800: '#331F42',
    900: '#201528',
  },
}

$base: #51137C;
$base-ink: #FFFFFF;
$base-50: #F8F1FD;
$base-100: #EDDBFA;
$base-200: #DBB9F4;
$base-300: #BF88E7;
$base-400: #A35DD5;
$base-500: #853ABB;
$base-600: #68338E;
$base-700: #4C2A65;
$base-800: #331F42;
$base-900: #201528;
$base-hover: #400F63;
$base-subtle: #CDA9E6;

{
    "color": {
        "base": {
            "value": "#51137C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F1FD",
                "type": "color"
            },
            "100": {
                "value": "#EDDBFA",
                "type": "color"
            },
            "200": {
                "value": "#DBB9F4",
                "type": "color"
            },
            "300": {
                "value": "#BF88E7",
                "type": "color"
            },
            "400": {
                "value": "#A35DD5",
                "type": "color"
            },
            "500": {
                "value": "#853ABB",
                "type": "color"
            },
            "600": {
                "value": "#68338E",
                "type": "color"
            },
            "700": {
                "value": "#4C2A65",
                "type": "color"
            },
            "800": {
                "value": "#331F42",
                "type": "color"
            },
            "900": {
                "value": "#201528",
                "type": "color"
            }
        }
    }
}

Palettes built on #51137C

Color Lab

Pairs with #51137C

UI roles & guardrails

In real applications

Scales

Every model

Export