What color is #40118A?

#40118A is a dark, vivid violet. In RGB it is rgb(64, 17, 138), and in HSL hsl(263, 78%, 30%).

Is #40118A accessible as text?

On white, #40118A has a contrast ratio of 12.61:1 (passes WCAG AA for body text); on black it is 1.67:1 (fails). For text placed on #40118A, use white for the best readability.

What is the closest Tailwind color to #40118A?

The nearest Tailwind CSS token is violet-900 (#4D179A).

What colors go well with #40118A?

#40118A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5A8811. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #40118A below.

Is #40118A good for buttons?

#40118A works well for buttons and highlights, but use white text on #40118A — black text only reaches 1.67:1, below the 4.5:1 needed for normal-size labels.

Is #40118A the same as CSS indigo?

No — #40118A is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#40118A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #40118A

Not just a swatch — here's how #40118A works with other colors. Named schemes with #40118A in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #40118A Anchor #141210 Accent #DA9857 Secondary #292732 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 #40118A Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #2C0045

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 #40118A Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

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 #40118A Surface #F5E5D7 Anchor #5C2141 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 #40118A Secondary #5F597F Support #9D9088 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.

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Color Lab

How #40118A 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 26/100

Cool

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

Softness 25/100

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 26/100

Low

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

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

Brand distinctiveness 68/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 52/100

Moderate

Workable accent with care around contrast.

Surface fit 18/100

Very low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #40118A

For UI

For branding

For interior

For fashion

People also use #40118A with

Egyptian Blue Mardi Gras Avocado Gainsboro Russian Violet

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 12.6:1. Use

Subtle surface Use #D7C7EF for cards and hover fills. Tint 80

Avoid beside #661188 — 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 #40118A 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: #40118A;
  --color-base-rgb: 64 17 138;
  --color-base-oklch: oklch(34.4% 0.176 291.4);
  --color-50: #F6F1FE;
  --color-100: #E7DAFB;
  --color-200: #CFB6F6;
  --color-300: #AC85EA;
  --color-400: #8A58DA;
  --color-500: #6A36BF;
  --color-600: #563091;
  --color-700: #402867;
  --color-800: #2C1E43;
  --color-900: #1C1429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F6F1FE',
    100: '#E7DAFB',
    200: '#CFB6F6',
    300: '#AC85EA',
    400: '#8A58DA',
    500: '#6A36BF',
    600: '#563091',
    700: '#402867',
    800: '#2C1E43',
    900: '#1C1429',
  },
}

$base: #40118A;
$base-ink: #FFFFFF;
$base-50: #F6F1FE;
$base-100: #E7DAFB;
$base-200: #CFB6F6;
$base-300: #AC85EA;
$base-400: #8A58DA;
$base-500: #6A36BF;
$base-600: #563091;
$base-700: #402867;
$base-800: #2C1E43;
$base-900: #1C1429;
$base-hover: #320D6D;
$base-subtle: #C2AAE9;

{
    "color": {
        "base": {
            "value": "#40118A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E7DAFB",
                "type": "color"
            },
            "200": {
                "value": "#CFB6F6",
                "type": "color"
            },
            "300": {
                "value": "#AC85EA",
                "type": "color"
            },
            "400": {
                "value": "#8A58DA",
                "type": "color"
            },
            "500": {
                "value": "#6A36BF",
                "type": "color"
            },
            "600": {
                "value": "#563091",
                "type": "color"
            },
            "700": {
                "value": "#402867",
                "type": "color"
            },
            "800": {
                "value": "#2C1E43",
                "type": "color"
            },
            "900": {
                "value": "#1C1429",
                "type": "color"
            }
        }
    }
}

Palettes built on #40118A

Color Lab

Pairs with #40118A

UI roles & guardrails

In real applications

Scales

Every model

Export