What color is #400263?

#400263 is a dark, vivid violet. In RGB it is rgb(64, 2, 99), and in HSL hsl(278, 96%, 20%).

Is #400263 accessible as text?

On white, #400263 has a contrast ratio of 14.93:1 (passes WCAG AA for body text); on black it is 1.41:1 (fails). For text placed on #400263, use white for the best readability.

What is the closest Tailwind color to #400263?

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

What colors go well with #400263?

#400263 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #266402. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #400263 below.

Is #400263 good for buttons?

#400263 works well for buttons and highlights, but use white text on #400263 — black text only reaches 1.41:1, below the 4.5:1 needed for normal-size labels.

Is #400263 the same as CSS indigo?

No — #400263 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#400263 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #400263

Not just a swatch — here's how #400263 works with other colors. Named schemes with #400263 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #400263 Anchor #141210 Accent #D99955 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 #400263 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #240027

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 #400263 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 #400263 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 #400263 Secondary #584967 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 #400263 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 40/100

Neutral

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

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 73/100

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 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 72/100

High

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

Brand distinctiveness 57/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 38/100

Low

Workable accent with care around contrast.

Surface fit 21/100

Low

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

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #400263

For UI

For branding

For interior

For fashion

People also use #400263 with

Phthalo Blue Tyrian Purple Dark 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 14.9:1. Use

Subtle surface Use #DEBAF2 for cards and hover fills. Tint 80

Avoid beside #610264 — 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 #400263 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: #400263;
  --color-base-rgb: 64 2 99;
  --color-base-oklch: oklch(29.3% 0.148 307.3);
  --color-50: #F9F0FE;
  --color-100: #F0D8FD;
  --color-200: #E0B1FC;
  --color-300: #C87AF6;
  --color-400: #AE4AE8;
  --color-500: #9126CF;
  --color-600: #71259D;
  --color-700: #52216E;
  --color-800: #371948;
  --color-900: #22122C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#F9F0FE',
    100: '#F0D8FD',
    200: '#E0B1FC',
    300: '#C87AF6',
    400: '#AE4AE8',
    500: '#9126CF',
    600: '#71259D',
    700: '#52216E',
    800: '#371948',
    900: '#22122C',
  },
}

$base: #400263;
$base-ink: #FFFFFF;
$base-50: #F9F0FE;
$base-100: #F0D8FD;
$base-200: #E0B1FC;
$base-300: #C87AF6;
$base-400: #AE4AE8;
$base-500: #9126CF;
$base-600: #71259D;
$base-700: #52216E;
$base-800: #371948;
$base-900: #22122C;
$base-hover: #330250;
$base-subtle: #CE95EE;

{
    "color": {
        "base": {
            "value": "#400263",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F0FE",
                "type": "color"
            },
            "100": {
                "value": "#F0D8FD",
                "type": "color"
            },
            "200": {
                "value": "#E0B1FC",
                "type": "color"
            },
            "300": {
                "value": "#C87AF6",
                "type": "color"
            },
            "400": {
                "value": "#AE4AE8",
                "type": "color"
            },
            "500": {
                "value": "#9126CF",
                "type": "color"
            },
            "600": {
                "value": "#71259D",
                "type": "color"
            },
            "700": {
                "value": "#52216E",
                "type": "color"
            },
            "800": {
                "value": "#371948",
                "type": "color"
            },
            "900": {
                "value": "#22122C",
                "type": "color"
            }
        }
    }
}