What color is #401B5A?

#401B5A is a dark violet. In RGB it is rgb(64, 27, 90), and in HSL hsl(275, 54%, 23%).

Is #401B5A accessible as text?

On white, #401B5A has a contrast ratio of 13.79:1 (passes WCAG AA for body text); on black it is 1.52:1 (fails). For text placed on #401B5A, use white for the best readability.

What is the closest Tailwind color to #401B5A?

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

What colors go well with #401B5A?

#401B5A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #355A1B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #401B5A below.

Is #401B5A good for buttons?

#401B5A works well for buttons and highlights, but use white text on #401B5A — black text only reaches 1.52:1, below the 4.5:1 needed for normal-size labels.

Is #401B5A the same as CSS indigo?

No — #401B5A is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#401B5A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #401B5A

Not just a swatch — here's how #401B5A works with other colors. Named schemes with #401B5A in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #401B5A Anchor #141210 Accent #D99955 Secondary #2C2631 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 #401B5A Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #240326

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 #401B5A 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 #401B5A Surface #F5E6D7 Anchor #5C213F 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 #401B5A Secondary #5B5066 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.

Build a working theme in the generator →

Color Lab

How #401B5A 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 43/100

Neutral

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

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 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 74/100

High

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

Brand distinctiveness 43/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 42/100

Moderate

Workable accent with care around contrast.

Surface fit 31/100

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 #401B5A

For UI

For branding

For interior

For fashion

People also use #401B5A with

Midnight Blue Tyrian Purple 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 13.8:1. Use

Subtle surface Use #DAC8E7 for cards and hover fills. Tint 80

Avoid beside #551B5A — 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 #401B5A 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: #401B5A;
  --color-base-rgb: 64 27 90;
  --color-base-oklch: oklch(31.0% 0.111 308.2);
  --color-50: #F8F3FC;
  --color-100: #EDDFF6;
  --color-200: #DAC0EC;
  --color-300: #BD95DA;
  --color-400: #A06CC6;
  --color-500: #824BAA;
  --color-600: #673F83;
  --color-700: #4B325D;
  --color-800: #33233D;
  --color-900: #201726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#F8F3FC',
    100: '#EDDFF6',
    200: '#DAC0EC',
    300: '#BD95DA',
    400: '#A06CC6',
    500: '#824BAA',
    600: '#673F83',
    700: '#4B325D',
    800: '#33233D',
    900: '#201726',
  },
}

$base: #401B5A;
$base-ink: #FFFFFF;
$base-50: #F8F3FC;
$base-100: #EDDFF6;
$base-200: #DAC0EC;
$base-300: #BD95DA;
$base-400: #A06CC6;
$base-500: #824BAA;
$base-600: #673F83;
$base-700: #4B325D;
$base-800: #33233D;
$base-900: #201726;
$base-hover: #331648;
$base-subtle: #C8ACDC;

{
    "color": {
        "base": {
            "value": "#401B5A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F3FC",
                "type": "color"
            },
            "100": {
                "value": "#EDDFF6",
                "type": "color"
            },
            "200": {
                "value": "#DAC0EC",
                "type": "color"
            },
            "300": {
                "value": "#BD95DA",
                "type": "color"
            },
            "400": {
                "value": "#A06CC6",
                "type": "color"
            },
            "500": {
                "value": "#824BAA",
                "type": "color"
            },
            "600": {
                "value": "#673F83",
                "type": "color"
            },
            "700": {
                "value": "#4B325D",
                "type": "color"
            },
            "800": {
                "value": "#33233D",
                "type": "color"
            },
            "900": {
                "value": "#201726",
                "type": "color"
            }
        }
    }
}

Palettes built on #401B5A

Color Lab

Pairs with #401B5A

UI roles & guardrails

In real applications

Scales

Every model

Export