What color is #511398?

#511398 is a dark, vivid violet. In RGB it is rgb(81, 19, 152), and in HSL hsl(268, 78%, 34%).

Is #511398 accessible as text?

On white, #511398 has a contrast ratio of 11.07:1 (passes WCAG AA for body text); on black it is 1.90:1 (fails). For text placed on #511398, use white for the best readability.

What is the closest Tailwind color to #511398?

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

What colors go well with #511398?

#511398 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5B9A13. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #511398 below.

Is #511398 good for buttons?

#511398 works well for buttons and highlights, but use white text on #511398 — black text only reaches 1.90:1, below the 4.5:1 needed for normal-size labels.

Is #511398 the same as CSS indigo?

No — #511398 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#511398 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #511398

Not just a swatch — here's how #511398 works with other colors. Named schemes with #511398 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #511398 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 #511398 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #3A004E

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.

Berry & Cream Lead · 5 colors

Lead #511398 Surface #F5E5D7 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 #511398 Secondary #6C618B 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.

Coastal Morning Lead · 5 colors

Lead #511398 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334A

Indigo opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Build a working theme in the generator →

Color Lab

How #511398 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 30/100

Cool

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

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 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 62/100

High

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

Brand distinctiveness 73/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 61/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 15/100

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 #511398

For UI

For branding

For interior

For fashion

People also use #511398 with

Klein Blue Mauveine Olive Drab 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 11.1:1. Use

Subtle surface Use #DCCAF0 for cards and hover fills. Tint 80

Avoid beside #7F139A — 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 #511398 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: #511398;
  --color-base-rgb: 81 19 152;
  --color-base-oklch: oklch(38.0% 0.190 296.7);
  --color-50: #F7F1FE;
  --color-100: #E9DAFB;
  --color-200: #D4B6F6;
  --color-300: #B485EA;
  --color-400: #9558DA;
  --color-500: #7636BF;
  --color-600: #5E3091;
  --color-700: #452867;
  --color-800: #2F1E43;
  --color-900: #1E1429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F7F1FE',
    100: '#E9DAFB',
    200: '#D4B6F6',
    300: '#B485EA',
    400: '#9558DA',
    500: '#7636BF',
    600: '#5E3091',
    700: '#452867',
    800: '#2F1E43',
    900: '#1E1429',
  },
}

$base: #511398;
$base-ink: #FFFFFF;
$base-50: #F7F1FE;
$base-100: #E9DAFB;
$base-200: #D4B6F6;
$base-300: #B485EA;
$base-400: #9558DA;
$base-500: #7636BF;
$base-600: #5E3091;
$base-700: #452867;
$base-800: #2F1E43;
$base-900: #1E1429;
$base-hover: #420F7B;
$base-subtle: #CBAFEA;

{
    "color": {
        "base": {
            "value": "#511398",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E9DAFB",
                "type": "color"
            },
            "200": {
                "value": "#D4B6F6",
                "type": "color"
            },
            "300": {
                "value": "#B485EA",
                "type": "color"
            },
            "400": {
                "value": "#9558DA",
                "type": "color"
            },
            "500": {
                "value": "#7636BF",
                "type": "color"
            },
            "600": {
                "value": "#5E3091",
                "type": "color"
            },
            "700": {
                "value": "#452867",
                "type": "color"
            },
            "800": {
                "value": "#2F1E43",
                "type": "color"
            },
            "900": {
                "value": "#1E1429",
                "type": "color"
            }
        }
    }
}

Palettes built on #511398

Color Lab

Pairs with #511398

UI roles & guardrails

In real applications

Scales

Every model

Export