What color is #300421?

#300421 is a very dark, vivid magenta. In RGB it is rgb(48, 4, 33), and in HSL hsl(320, 85%, 10%).

Is #300421 accessible as text?

On white, #300421 has a contrast ratio of 18.03:1 (passes WCAG AA for body text); on black it is 1.17:1 (fails). For text placed on #300421, use white for the best readability.

What is the closest Tailwind color to #300421?

The nearest Tailwind CSS token is mauve-900 (#1D161E).

What colors go well with #300421?

#300421 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #042F12. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #300421 below.

Is #300421 good for buttons?

#300421 works well for buttons and highlights, but use white text on #300421 — black text only reaches 1.17:1, below the 4.5:1 needed for normal-size labels.

Is #300421 the same as CSS midnightblue?

No — #300421 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#300421 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #300421

Not just a swatch — here's how #300421 works with other colors. Named schemes with #300421 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #300421 Secondary #7D472C Surface #EBD8C1 Accent #454F38 Anchor #5A2232

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.

Warm Autumn Interior Dominant · 5 colors

Dominant #300421 Secondary #B96030 Accent #7D7540 Surface #F5EBDD Anchor #3C2922

This palette keeps Deep Purple as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Japanese Sand Base · 5 colors

Base #300421 Surface #F1E8DC Highlight #F7F1E7 Secondary #BCAEA0 Ink #2B2723

Deep Purple sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #300421 Anchor #141210 Accent #D59B51 Secondary #30252B 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #300421 Secondary #46353E 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 #300421 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 60/100

Neutral

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

Softness 21/100

Low

Firm and assertive — carries weight and contrast.

Depth 77/100

High

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

Naturalness 10/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 79/100

High

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

Brand distinctiveness 31/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 15/100

Very low

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

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #300421

For UI

For branding

For interior

For fashion

People also use #300421 with

Russian Violet 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 18.0:1. Use

Subtle surface Use #EDB5DA for cards and hover fills. Tint 80

Avoid beside #2F0412 — 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 #300421 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: #300421;
  --color-base-rgb: 48 4 33;
  --color-base-oklch: oklch(21.3% 0.080 345.1);
  --color-50: #FEF0FA;
  --color-100: #FDD8F1;
  --color-200: #F9B4E2;
  --color-300: #EE81CA;
  --color-400: #DF53B0;
  --color-500: #C53093;
  --color-600: #962C73;
  --color-700: #6A2553;
  --color-800: #451C37;
  --color-900: #2A1322;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  deep-purple: {
    50: '#FEF0FA',
    100: '#FDD8F1',
    200: '#F9B4E2',
    300: '#EE81CA',
    400: '#DF53B0',
    500: '#C53093',
    600: '#962C73',
    700: '#6A2553',
    800: '#451C37',
    900: '#2A1322',
  },
}

$base: #300421;
$base-ink: #FFFFFF;
$base-50: #FEF0FA;
$base-100: #FDD8F1;
$base-200: #F9B4E2;
$base-300: #EE81CA;
$base-400: #DF53B0;
$base-500: #C53093;
$base-600: #962C73;
$base-700: #6A2553;
$base-800: #451C37;
$base-900: #2A1322;
$base-hover: #26031A;
$base-subtle: #E78EC9;

{
    "color": {
        "base": {
            "value": "#300421",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0FA",
                "type": "color"
            },
            "100": {
                "value": "#FDD8F1",
                "type": "color"
            },
            "200": {
                "value": "#F9B4E2",
                "type": "color"
            },
            "300": {
                "value": "#EE81CA",
                "type": "color"
            },
            "400": {
                "value": "#DF53B0",
                "type": "color"
            },
            "500": {
                "value": "#C53093",
                "type": "color"
            },
            "600": {
                "value": "#962C73",
                "type": "color"
            },
            "700": {
                "value": "#6A2553",
                "type": "color"
            },
            "800": {
                "value": "#451C37",
                "type": "color"
            },
            "900": {
                "value": "#2A1322",
                "type": "color"
            }
        }
    }
}