What color is #431B4E?

#431B4E is a dark purple. In RGB it is rgb(67, 27, 78), and in HSL hsl(287, 49%, 21%).

Is #431B4E accessible as text?

On white, #431B4E has a contrast ratio of 13.95:1 (passes WCAG AA for body text); on black it is 1.51:1 (fails). For text placed on #431B4E, use white for the best readability.

What is the closest Tailwind color to #431B4E?

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

What colors go well with #431B4E?

#431B4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #27501B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #431B4E below.

Is #431B4E good for buttons?

#431B4E works well for buttons and highlights, but use white text on #431B4E — black text only reaches 1.51:1, below the 4.5:1 needed for normal-size labels.

Is #431B4E the same as CSS indigo?

No — #431B4E is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#431B4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #431B4E

Not just a swatch — here's how #431B4E works with other colors. Named schemes with #431B4E in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #431B4E Anchor #141210 Accent #D89953 Secondary #2D262F 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.

Moody Editorial Color · 5 colors

Color #431B4E Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #24041E

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.

Berry & Cream Lead · 5 colors

Lead #431B4E Surface #F5E6D7 Anchor #5D203E Accent #E5C2C6 Secondary #332B2E

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

Vintage Leather Lead · 5 colors

Lead #431B4E Secondary #7E462F Surface #ECD8C1 Accent #345249 Anchor #592235

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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #431B4E Secondary #5C4E60 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 #431B4E 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 49/100

Neutral

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

High

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 73/100

High

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

Brand distinctiveness 38/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 39/100

Low

Workable accent with care around contrast.

Surface fit 35/100

Low

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #431B4E

For UI

For branding

For interior

For fashion

People also use #431B4E with

Midnight Blue Tyrian Purple Castleton 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 #DFC8E5 for cards and hover fills. Tint 80

Avoid beside #501B4A — 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 #431B4E at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #431B4E;
  --color-base-rgb: 67 27 78;
  --color-base-oklch: oklch(30.6% 0.098 318.5);
  --color-50: #FAF3FB;
  --color-100: #F1E0F5;
  --color-200: #E1C2EA;
  --color-300: #CA98D7;
  --color-400: #B070C2;
  --color-500: #934FA6;
  --color-600: #72427F;
  --color-700: #53345B;
  --color-800: #37253C;
  --color-900: #221825;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#FAF3FB',
    100: '#F1E0F5',
    200: '#E1C2EA',
    300: '#CA98D7',
    400: '#B070C2',
    500: '#934FA6',
    600: '#72427F',
    700: '#53345B',
    800: '#37253C',
    900: '#221825',
  },
}

$base: #431B4E;
$base-ink: #FFFFFF;
$base-50: #FAF3FB;
$base-100: #F1E0F5;
$base-200: #E1C2EA;
$base-300: #CA98D7;
$base-400: #B070C2;
$base-500: #934FA6;
$base-600: #72427F;
$base-700: #53345B;
$base-800: #37253C;
$base-900: #221825;
$base-hover: #371640;
$base-subtle: #CFACD9;

{
    "color": {
        "base": {
            "value": "#431B4E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF3FB",
                "type": "color"
            },
            "100": {
                "value": "#F1E0F5",
                "type": "color"
            },
            "200": {
                "value": "#E1C2EA",
                "type": "color"
            },
            "300": {
                "value": "#CA98D7",
                "type": "color"
            },
            "400": {
                "value": "#B070C2",
                "type": "color"
            },
            "500": {
                "value": "#934FA6",
                "type": "color"
            },
            "600": {
                "value": "#72427F",
                "type": "color"
            },
            "700": {
                "value": "#53345B",
                "type": "color"
            },
            "800": {
                "value": "#37253C",
                "type": "color"
            },
            "900": {
                "value": "#221825",
                "type": "color"
            }
        }
    }
}