What color is #421D3B?

#421D3B is a dark purple. In RGB it is rgb(66, 29, 59), and in HSL hsl(311, 39%, 19%).

Is #421D3B accessible as text?

On white, #421D3B has a contrast ratio of 14.28:1 (passes WCAG AA for body text); on black it is 1.47:1 (fails). For text placed on #421D3B, use white for the best readability.

What is the closest Tailwind color to #421D3B?

The nearest Tailwind CSS token is pink-950 (#510424).

What colors go well with #421D3B?

#421D3B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1E4324. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #421D3B below.

Is #421D3B good for buttons?

#421D3B works well for buttons and highlights, but use white text on #421D3B — black text only reaches 1.47:1, below the 4.5:1 needed for normal-size labels.

Is #421D3B the same as CSS midnightblue?

No — #421D3B 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.

#421D3B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #421D3B

Not just a swatch — here's how #421D3B works with other colors. Named schemes with #421D3B in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #421D3B Secondary #7D472D Surface #ECD8C1 Accent #464F38 Anchor #592233

Russian Violet 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 #421D3B Secondary #BA6033 Accent #7E7540 Surface #F5EBDD Anchor #3C2922

This palette keeps Russian Violet 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 #421D3B Surface #F1E8DC Highlight #F7F0E7 Secondary #BCADA0 Ink #2B2723

Russian Violet 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 #421D3B Anchor #141210 Accent #D69A52 Secondary #2F252D Surface #F3EDE3

Russian Violet 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 #421D3B Secondary #5B4C57 Support #9C9087 Ink #18140F

Russian Violet 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 Russian Violet carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #421D3B 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 56/100

Neutral

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

High

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

Naturalness 4/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 72/100

High

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

Brand distinctiveness 28/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 32/100

Low

Workable accent with care around contrast.

Surface fit 44/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #421D3B

For UI

For branding

For interior

For fashion

People also use #421D3B with

Byzantium Bistre British Racing 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 14.3:1. Use

Subtle surface Use #E1CADD for cards and hover fills. Tint 80

Avoid beside #431E30 — 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 #421D3B 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: #421D3B;
  --color-base-rgb: 66 29 59;
  --color-base-oklch: oklch(29.6% 0.072 334.9);
  --color-50: #FBF4F9;
  --color-100: #F3E2F0;
  --color-200: #E6C6E0;
  --color-300: #D19EC8;
  --color-400: #B979AD;
  --color-500: #9D5890;
  --color-600: #794970;
  --color-700: #573851;
  --color-800: #3A2736;
  --color-900: #241922;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#FBF4F9',
    100: '#F3E2F0',
    200: '#E6C6E0',
    300: '#D19EC8',
    400: '#B979AD',
    500: '#9D5890',
    600: '#794970',
    700: '#573851',
    800: '#3A2736',
    900: '#241922',
  },
}

$base: #421D3B;
$base-ink: #FFFFFF;
$base-50: #FBF4F9;
$base-100: #F3E2F0;
$base-200: #E6C6E0;
$base-300: #D19EC8;
$base-400: #B979AD;
$base-500: #9D5890;
$base-600: #794970;
$base-700: #573851;
$base-800: #3A2736;
$base-900: #241922;
$base-hover: #361830;
$base-subtle: #D3AFCD;

{
    "color": {
        "base": {
            "value": "#421D3B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FBF4F9",
                "type": "color"
            },
            "100": {
                "value": "#F3E2F0",
                "type": "color"
            },
            "200": {
                "value": "#E6C6E0",
                "type": "color"
            },
            "300": {
                "value": "#D19EC8",
                "type": "color"
            },
            "400": {
                "value": "#B979AD",
                "type": "color"
            },
            "500": {
                "value": "#9D5890",
                "type": "color"
            },
            "600": {
                "value": "#794970",
                "type": "color"
            },
            "700": {
                "value": "#573851",
                "type": "color"
            },
            "800": {
                "value": "#3A2736",
                "type": "color"
            },
            "900": {
                "value": "#241922",
                "type": "color"
            }
        }
    }
}