What color is #340F7A?

#340F7A is a dark, vivid violet. In RGB it is rgb(52, 15, 122), and in HSL hsl(261, 78%, 27%).

Is #340F7A accessible as text?

On white, #340F7A has a contrast ratio of 14.04:1 (passes WCAG AA for body text); on black it is 1.50:1 (fails). For text placed on #340F7A, use white for the best readability.

What is the closest Tailwind color to #340F7A?

The nearest Tailwind CSS token is violet-950 (#2F0D68).

What colors go well with #340F7A?

#340F7A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #557B0F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #340F7A below.

Is #340F7A good for buttons?

#340F7A works well for buttons and highlights, but use white text on #340F7A — black text only reaches 1.50:1, below the 4.5:1 needed for normal-size labels.

Is #340F7A the same as CSS indigo?

No — #340F7A is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#340F7A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #340F7A

Not just a swatch — here's how #340F7A works with other colors. Named schemes with #340F7A in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #340F7A Anchor #141210 Accent #DB9757 Secondary #282732 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 #340F7A Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #21003A

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 #340F7A 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.

Vintage Leather Lead · 5 colors

Lead #340F7A Secondary #7E4633 Surface #EDD8C2 Accent #355247 Anchor #582238

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #340F7A Secondary #545173 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.

Build a working theme in the generator →

Color Lab

How #340F7A 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 25/100

Cool

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 72/100

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 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 70/100

High

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

Brand distinctiveness 62/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 43/100

Moderate

Workable accent with care around contrast.

Surface fit 20/100

Very low

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

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #340F7A

For UI

For branding

For interior

For fashion

People also use #340F7A with

Egyptian Blue Purple Fern Green 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 14.0:1. Use

Subtle surface Use #D3C5EF for cards and hover fills. Tint 80

Avoid beside #590F7B — 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 #340F7A 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: #340F7A;
  --color-base-rgb: 52 15 122;
  --color-base-oklch: oklch(31.1% 0.160 288.7);
  --color-50: #F5F1FE;
  --color-100: #E6DAFB;
  --color-200: #CDB6F6;
  --color-300: #A885EA;
  --color-400: #8658DA;
  --color-500: #6636BF;
  --color-600: #523091;
  --color-700: #3E2867;
  --color-800: #2B1E43;
  --color-900: #1B1429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F5F1FE',
    100: '#E6DAFB',
    200: '#CDB6F6',
    300: '#A885EA',
    400: '#8658DA',
    500: '#6636BF',
    600: '#523091',
    700: '#3E2867',
    800: '#2B1E43',
    900: '#1B1429',
  },
}

$base: #340F7A;
$base-ink: #FFFFFF;
$base-50: #F5F1FE;
$base-100: #E6DAFB;
$base-200: #CDB6F6;
$base-300: #A885EA;
$base-400: #8658DA;
$base-500: #6636BF;
$base-600: #523091;
$base-700: #3E2867;
$base-800: #2B1E43;
$base-900: #1B1429;
$base-hover: #2A0C62;
$base-subtle: #BDA6E8;

{
    "color": {
        "base": {
            "value": "#340F7A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E6DAFB",
                "type": "color"
            },
            "200": {
                "value": "#CDB6F6",
                "type": "color"
            },
            "300": {
                "value": "#A885EA",
                "type": "color"
            },
            "400": {
                "value": "#8658DA",
                "type": "color"
            },
            "500": {
                "value": "#6636BF",
                "type": "color"
            },
            "600": {
                "value": "#523091",
                "type": "color"
            },
            "700": {
                "value": "#3E2867",
                "type": "color"
            },
            "800": {
                "value": "#2B1E43",
                "type": "color"
            },
            "900": {
                "value": "#1B1429",
                "type": "color"
            }
        }
    }
}

Palettes built on #340F7A

Color Lab

Pairs with #340F7A

UI roles & guardrails

In real applications

Scales

Every model

Export