What color is #400A7A?

#400A7A is a dark, vivid violet. In RGB it is rgb(64, 10, 122), and in HSL hsl(269, 85%, 26%).

Is #400A7A accessible as text?

On white, #400A7A has a contrast ratio of 13.61:1 (passes WCAG AA for body text); on black it is 1.54:1 (fails). For text placed on #400A7A, use white for the best readability.

What is the closest Tailwind color to #400A7A?

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

What colors go well with #400A7A?

#400A7A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #447B0A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #400A7A below.

Is #400A7A good for buttons?

#400A7A works well for buttons and highlights, but use white text on #400A7A — black text only reaches 1.54:1, below the 4.5:1 needed for normal-size labels.

Is #400A7A the same as CSS indigo?

No — #400A7A is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#400A7A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #400A7A

Not just a swatch — here's how #400A7A works with other colors. Named schemes with #400A7A in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #400A7A Anchor #141210 Accent #DA9856 Secondary #2A2732 Surface #F3ECE3

Indigo 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 #400A7A Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #290039

Indigo 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 Indigo.

Coastal Morning Lead · 5 colors

Lead #400A7A Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

Indigo 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 #400A7A Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C8 Secondary #332B2F

Indigo 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 #400A7A Secondary #5C5275 Support #9C9088 Ink #18140F

Indigo 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 Indigo carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #400A7A 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 31/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

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 28/100

Low

A faint retro warmth without tipping into sepia.

Luxury 68/100

High

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

Brand distinctiveness 63/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 46/100

Moderate

Workable accent with care around contrast.

Surface fit 19/100

Very low

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

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #400A7A

For UI

For branding

For interior

For fashion

People also use #400A7A with

Zaffre Purple Dark Olive 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 13.6:1. Use

Subtle surface Use #D8C2F0 for cards and hover fills. Tint 80

Avoid beside #660A7B — 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 #400A7A 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: #400A7A;
  --color-base-rgb: 64 10 122;
  --color-base-oklch: oklch(32.2% 0.164 297.1);
  --color-50: #F7F0FE;
  --color-100: #EAD8FD;
  --color-200: #D5B4F9;
  --color-300: #B681EE;
  --color-400: #9753DF;
  --color-500: #7830C5;
  --color-600: #5F2C96;
  --color-700: #46256A;
  --color-800: #301C45;
  --color-900: #1E132A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F7F0FE',
    100: '#EAD8FD',
    200: '#D5B4F9',
    300: '#B681EE',
    400: '#9753DF',
    500: '#7830C5',
    600: '#5F2C96',
    700: '#46256A',
    800: '#301C45',
    900: '#1E132A',
  },
}

$base: #400A7A;
$base-ink: #FFFFFF;
$base-50: #F7F0FE;
$base-100: #EAD8FD;
$base-200: #D5B4F9;
$base-300: #B681EE;
$base-400: #9753DF;
$base-500: #7830C5;
$base-600: #5F2C96;
$base-700: #46256A;
$base-800: #301C45;
$base-900: #1E132A;
$base-hover: #340862;
$base-subtle: #C5A2EB;

{
    "color": {
        "base": {
            "value": "#400A7A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F0FE",
                "type": "color"
            },
            "100": {
                "value": "#EAD8FD",
                "type": "color"
            },
            "200": {
                "value": "#D5B4F9",
                "type": "color"
            },
            "300": {
                "value": "#B681EE",
                "type": "color"
            },
            "400": {
                "value": "#9753DF",
                "type": "color"
            },
            "500": {
                "value": "#7830C5",
                "type": "color"
            },
            "600": {
                "value": "#5F2C96",
                "type": "color"
            },
            "700": {
                "value": "#46256A",
                "type": "color"
            },
            "800": {
                "value": "#301C45",
                "type": "color"
            },
            "900": {
                "value": "#1E132A",
                "type": "color"
            }
        }
    }
}

Palettes built on #400A7A

Color Lab

Pairs with #400A7A

UI roles & guardrails

In real applications

Scales

Every model

Export