What color is #42003A?

#42003A is a very dark, vivid purple. In RGB it is rgb(66, 0, 58), and in HSL hsl(307, 100%, 13%).

Is #42003A accessible as text?

On white, #42003A has a contrast ratio of 16.24:1 (passes WCAG AA for body text); on black it is 1.29:1 (fails). For text placed on #42003A, use white for the best readability.

What is the closest Tailwind color to #42003A?

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

What colors go well with #42003A?

#42003A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #004208. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #42003A below.

Is #42003A good for buttons?

#42003A works well for buttons and highlights, but use white text on #42003A — black text only reaches 1.29:1, below the 4.5:1 needed for normal-size labels.

Is #42003A the same as CSS indigo?

No — #42003A is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#42003A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #42003A

Not just a swatch — here's how #42003A works with other colors. Named schemes with #42003A in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #42003A Anchor #141210 Accent #D69A52 Secondary #2F252D Surface #F3EDE3

Deep 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.

Vintage Leather Lead · 5 colors

Lead #42003A Secondary #7D472D Surface #ECD8C1 Accent #464F38 Anchor #592233

Deep 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.

Moody Editorial Color · 5 colors

Color #42003A Anchor #2A2A2E Secondary #6F6E74 Surface #EEE5DA Accent #1E000C

Deep 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 Deep Purple.

Berry & Cream Lead · 5 colors

Lead #42003A Surface #F4E6D7 Anchor #5D203C Accent #E6C2C5 Secondary #332B2E

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #42003A Secondary #564051 Support #9C9087 Ink #18140F

Deep 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 Deep Purple carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #42003A 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 59/100

Neutral

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

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 75/100

High

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

Naturalness 5/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 78/100

High

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

Brand distinctiveness 45/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 28/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #42003A

For UI

For branding

For interior

For fashion

People also use #42003A with

Indigo Oxblood Sacramento 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 16.2:1. Use

Subtle surface Use #F3B3EB for cards and hover fills. Tint 80

Avoid beside #420024 — 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 #42003A 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: #42003A;
  --color-base-rgb: 66 0 58;
  --color-base-oklch: oklch(26.0% 0.116 334.4);
  --color-50: #FEF0FD;
  --color-100: #FDD8F9;
  --color-200: #FCB1F3;
  --color-300: #F877E9;
  --color-400: #EC46D8;
  --color-500: #D222BE;
  --color-600: #9F2391;
  --color-700: #701F66;
  --color-800: #481843;
  --color-900: #2C1129;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  deep-purple: {
    50: '#FEF0FD',
    100: '#FDD8F9',
    200: '#FCB1F3',
    300: '#F877E9',
    400: '#EC46D8',
    500: '#D222BE',
    600: '#9F2391',
    700: '#701F66',
    800: '#481843',
    900: '#2C1129',
  },
}

$base: #42003A;
$base-ink: #FFFFFF;
$base-50: #FEF0FD;
$base-100: #FDD8F9;
$base-200: #FCB1F3;
$base-300: #F877E9;
$base-400: #EC46D8;
$base-500: #D222BE;
$base-600: #9F2391;
$base-700: #701F66;
$base-800: #481843;
$base-900: #2C1129;
$base-hover: #35002F;
$base-subtle: #EF8AE3;

{
    "color": {
        "base": {
            "value": "#42003A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0FD",
                "type": "color"
            },
            "100": {
                "value": "#FDD8F9",
                "type": "color"
            },
            "200": {
                "value": "#FCB1F3",
                "type": "color"
            },
            "300": {
                "value": "#F877E9",
                "type": "color"
            },
            "400": {
                "value": "#EC46D8",
                "type": "color"
            },
            "500": {
                "value": "#D222BE",
                "type": "color"
            },
            "600": {
                "value": "#9F2391",
                "type": "color"
            },
            "700": {
                "value": "#701F66",
                "type": "color"
            },
            "800": {
                "value": "#481843",
                "type": "color"
            },
            "900": {
                "value": "#2C1129",
                "type": "color"
            }
        }
    }
}