What color is #421D63?

#421D63 is a dark violet. In RGB it is rgb(66, 29, 99), and in HSL hsl(272, 55%, 25%).

Is #421D63 accessible as text?

On white, #421D63 has a contrast ratio of 13.23:1 (passes WCAG AA for body text); on black it is 1.59:1 (fails). For text placed on #421D63, use white for the best readability.

What is the closest Tailwind color to #421D63?

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

What colors go well with #421D63?

#421D63 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3D631D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #421D63 below.

Is #421D63 good for buttons?

#421D63 works well for buttons and highlights, but use white text on #421D63 — black text only reaches 1.59:1, below the 4.5:1 needed for normal-size labels.

Is #421D63 the same as CSS indigo?

No — #421D63 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#421D63 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #421D63

Not just a swatch — here's how #421D63 works with other colors. Named schemes with #421D63 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #421D63 Anchor #141210 Accent #D99855 Secondary #2B2631 Surface #F3ECE3

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.

Moody Editorial Color · 5 colors

Color #421D63 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #27042C

Russian Violet 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 Russian Violet.

Coastal Morning Lead · 5 colors

Lead #421D63 Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

Russian Violet 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 #421D63 Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C7 Secondary #332B2F

Russian Violet 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 #421D63 Secondary #5E536C Support #9C9088 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.

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Color Lab

How #421D63 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 41/100

Neutral

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

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 41/100

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 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 47/100

Moderate

Workable accent with care around contrast.

Surface fit 28/100

Low

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

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #421D63

For UI

For branding

For interior

For fashion

People also use #421D63 with

Midnight Blue Byzantium Hunter 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 13.2:1. Use

Subtle surface Use #DACAE8 for cards and hover fills. Tint 80

Avoid beside #591D63 — 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 #421D63 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: #421D63;
  --color-base-rgb: 66 29 99;
  --color-base-oklch: oklch(32.3% 0.119 304.8);
  --color-50: #F8F3FC;
  --color-100: #EBDFF6;
  --color-200: #D8C0ED;
  --color-300: #BA94DB;
  --color-400: #9C6BC7;
  --color-500: #7E4AAB;
  --color-600: #633F83;
  --color-700: #49315E;
  --color-800: #31233E;
  --color-900: #1F1726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#F8F3FC',
    100: '#EBDFF6',
    200: '#D8C0ED',
    300: '#BA94DB',
    400: '#9C6BC7',
    500: '#7E4AAB',
    600: '#633F83',
    700: '#49315E',
    800: '#31233E',
    900: '#1F1726',
  },
}

$base: #421D63;
$base-ink: #FFFFFF;
$base-50: #F8F3FC;
$base-100: #EBDFF6;
$base-200: #D8C0ED;
$base-300: #BA94DB;
$base-400: #9C6BC7;
$base-500: #7E4AAB;
$base-600: #633F83;
$base-700: #49315E;
$base-800: #31233E;
$base-900: #1F1726;
$base-hover: #35174F;
$base-subtle: #C7AEDE;

{
    "color": {
        "base": {
            "value": "#421D63",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F3FC",
                "type": "color"
            },
            "100": {
                "value": "#EBDFF6",
                "type": "color"
            },
            "200": {
                "value": "#D8C0ED",
                "type": "color"
            },
            "300": {
                "value": "#BA94DB",
                "type": "color"
            },
            "400": {
                "value": "#9C6BC7",
                "type": "color"
            },
            "500": {
                "value": "#7E4AAB",
                "type": "color"
            },
            "600": {
                "value": "#633F83",
                "type": "color"
            },
            "700": {
                "value": "#49315E",
                "type": "color"
            },
            "800": {
                "value": "#31233E",
                "type": "color"
            },
            "900": {
                "value": "#1F1726",
                "type": "color"
            }
        }
    }
}

Palettes built on #421D63

Color Lab

Pairs with #421D63

UI roles & guardrails

In real applications

Scales

Every model

Export