What color is #400A3B?

#400A3B is a very dark, vivid purple. In RGB it is rgb(64, 10, 59), and in HSL hsl(306, 73%, 15%).

Is #400A3B accessible as text?

On white, #400A3B has a contrast ratio of 15.85:1 (passes WCAG AA for body text); on black it is 1.32:1 (fails). For text placed on #400A3B, use white for the best readability.

What is the closest Tailwind color to #400A3B?

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

What colors go well with #400A3B?

#400A3B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0A4210. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #400A3B below.

Is #400A3B good for buttons?

#400A3B works well for buttons and highlights, but use white text on #400A3B — black text only reaches 1.32:1, below the 4.5:1 needed for normal-size labels.

Is #400A3B the same as CSS indigo?

No — #400A3B is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#400A3B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #400A3B

Not just a swatch — here's how #400A3B works with other colors. Named schemes with #400A3B in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #400A3B Secondary #7D472E Surface #ECD8C1 Accent #464F38 Anchor #592233

Deep Purple plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Luxury Packaging Feature · 5 colors

Feature #400A3B Anchor #141210 Accent #D79A52 Secondary #2F252D Surface #F3EDE3

Deep Purple 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 #400A3B Anchor #2A2A2E Secondary #6F6E74 Surface #EEE5DA Accent #1D000E

Deep Purple 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 Deep Purple.

Berry & Cream Lead · 5 colors

Lead #400A3B Surface #F4E6D7 Anchor #5D203D Accent #E6C2C5 Secondary #332B2E

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #400A3B Secondary #554252 Support #9C9087 Ink #18140F

Deep Purple 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 Deep Purple carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #400A3B 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 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 73/100

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 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 77/100

High

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

Brand distinctiveness 40/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 28/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 36/100

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 #400A3B

For UI

For branding

For interior

For fashion

People also use #400A3B with

Russian Violet Oxblood 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 15.9:1. Use

Subtle surface Use #EABDE6 for cards and hover fills. Tint 80

Avoid beside #420A2A — 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 #400A3B 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: #400A3B;
  --color-base-rgb: 64 10 59;
  --color-base-oklch: oklch(26.7% 0.103 332.2);
  --color-50: #FDF1FC;
  --color-100: #FADBF7;
  --color-200: #F4B9EE;
  --color-300: #E788DD;
  --color-400: #D55DC9;
  --color-500: #BB3AAE;
  --color-600: #8E3385;
  --color-700: #652A5F;
  --color-800: #421F3E;
  --color-900: #281527;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  deep-purple: {
    50: '#FDF1FC',
    100: '#FADBF7',
    200: '#F4B9EE',
    300: '#E788DD',
    400: '#D55DC9',
    500: '#BB3AAE',
    600: '#8E3385',
    700: '#652A5F',
    800: '#421F3E',
    900: '#281527',
  },
}

$base: #400A3B;
$base-ink: #FFFFFF;
$base-50: #FDF1FC;
$base-100: #FADBF7;
$base-200: #F4B9EE;
$base-300: #E788DD;
$base-400: #D55DC9;
$base-500: #BB3AAE;
$base-600: #8E3385;
$base-700: #652A5F;
$base-800: #421F3E;
$base-900: #281527;
$base-hover: #350830;
$base-subtle: #E29ADB;

{
    "color": {
        "base": {
            "value": "#400A3B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDF1FC",
                "type": "color"
            },
            "100": {
                "value": "#FADBF7",
                "type": "color"
            },
            "200": {
                "value": "#F4B9EE",
                "type": "color"
            },
            "300": {
                "value": "#E788DD",
                "type": "color"
            },
            "400": {
                "value": "#D55DC9",
                "type": "color"
            },
            "500": {
                "value": "#BB3AAE",
                "type": "color"
            },
            "600": {
                "value": "#8E3385",
                "type": "color"
            },
            "700": {
                "value": "#652A5F",
                "type": "color"
            },
            "800": {
                "value": "#421F3E",
                "type": "color"
            },
            "900": {
                "value": "#281527",
                "type": "color"
            }
        }
    }
}