What color is #4C0366?

#4C0366 is a dark, vivid purple. In RGB it is rgb(76, 3, 102), and in HSL hsl(284, 94%, 21%).

Is #4C0366 accessible as text?

On white, #4C0366 has a contrast ratio of 13.89:1 (passes WCAG AA for body text); on black it is 1.51:1 (fails). For text placed on #4C0366, use white for the best readability.

What is the closest Tailwind color to #4C0366?

The nearest Tailwind CSS token is purple-950 (#3C0366).

What colors go well with #4C0366?

#4C0366 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1E6803. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4C0366 below.

Is #4C0366 good for buttons?

#4C0366 works well for buttons and highlights, but use white text on #4C0366 — black text only reaches 1.51:1, below the 4.5:1 needed for normal-size labels.

Is #4C0366 the same as CSS indigo?

No — #4C0366 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#4C0366 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4C0366

Not just a swatch — here's how #4C0366 works with other colors. Named schemes with #4C0366 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #4C0366 Anchor #141210 Accent #D89954 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 #4C0366 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #2D002A

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 #4C0366 Surface #F5E6D7 Anchor #5D203F 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 #4C0366 Secondary #7E4630 Surface #ECD8C1 Accent #355249 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 #4C0366 Secondary #624E6C 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 #4C0366 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 45/100

Neutral

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

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 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 70/100

High

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

Brand distinctiveness 59/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 45/100

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 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4C0366

For UI

For branding

For interior

For fashion

People also use #4C0366 with

Phthalo 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 13.9:1. Use

Subtle surface Use #E3BBF2 for cards and hover fills. Tint 80

Avoid beside #680361 — 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 #4C0366 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: #4C0366;
  --color-base-rgb: 76 3 102;
  --color-base-oklch: oklch(31.6% 0.153 313.7);
  --color-50: #FBF0FE;
  --color-100: #F3D8FD;
  --color-200: #E8B1FC;
  --color-300: #D47BF4;
  --color-400: #BD4BE7;
  --color-500: #A128CD;
  --color-600: #7C269B;
  --color-700: #59216D;
  --color-800: #3B1A47;
  --color-900: #25122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#FBF0FE',
    100: '#F3D8FD',
    200: '#E8B1FC',
    300: '#D47BF4',
    400: '#BD4BE7',
    500: '#A128CD',
    600: '#7C269B',
    700: '#59216D',
    800: '#3B1A47',
    900: '#25122B',
  },
}

$base: #4C0366;
$base-ink: #FFFFFF;
$base-50: #FBF0FE;
$base-100: #F3D8FD;
$base-200: #E8B1FC;
$base-300: #D47BF4;
$base-400: #BD4BE7;
$base-500: #A128CD;
$base-600: #7C269B;
$base-700: #59216D;
$base-800: #3B1A47;
$base-900: #25122B;
$base-hover: #3E0353;
$base-subtle: #D797EE;

{
    "color": {
        "base": {
            "value": "#4C0366",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FBF0FE",
                "type": "color"
            },
            "100": {
                "value": "#F3D8FD",
                "type": "color"
            },
            "200": {
                "value": "#E8B1FC",
                "type": "color"
            },
            "300": {
                "value": "#D47BF4",
                "type": "color"
            },
            "400": {
                "value": "#BD4BE7",
                "type": "color"
            },
            "500": {
                "value": "#A128CD",
                "type": "color"
            },
            "600": {
                "value": "#7C269B",
                "type": "color"
            },
            "700": {
                "value": "#59216D",
                "type": "color"
            },
            "800": {
                "value": "#3B1A47",
                "type": "color"
            },
            "900": {
                "value": "#25122B",
                "type": "color"
            }
        }
    }
}