What color is #340271?

#340271 is a dark, vivid violet. In RGB it is rgb(52, 2, 113), and in HSL hsl(267, 97%, 23%).

Is #340271 accessible as text?

On white, #340271 has a contrast ratio of 15.07:1 (passes WCAG AA for body text); on black it is 1.39:1 (fails). For text placed on #340271, use white for the best readability.

What is the closest Tailwind color to #340271?

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

What colors go well with #340271?

#340271 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #407402. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #340271 below.

Is #340271 good for buttons?

#340271 works well for buttons and highlights, but use white text on #340271 — black text only reaches 1.39:1, below the 4.5:1 needed for normal-size labels.

Is #340271 the same as CSS midnightblue?

No — #340271 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#340271 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #340271

Not just a swatch — here's how #340271 works with other colors. Named schemes with #340271 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #340271 Anchor #141210 Accent #DA9856 Secondary #292732 Surface #F3ECE3

Midnight Blue 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 #340271 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #1F0032

Midnight Blue 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 Midnight Blue.

Coastal Morning Lead · 5 colors

Lead #340271 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334A

Midnight Blue 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 #340271 Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 Secondary #332B2F

Midnight Blue 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 #340271 Secondary #514A6C Support #9D9088 Ink #18140F

Midnight Blue 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 Midnight Blue carrying the quiet middle.

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Color Lab

How #340271 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 29/100

Cool

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

Softness 22/100

Low

Firm and assertive — carries weight and contrast.

Depth 74/100

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 71/100

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 37/100

Low

Workable accent with care around contrast.

Surface fit 21/100

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 #340271

For UI

For branding

For interior

For fashion

People also use #340271 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 15.1:1. Use

Subtle surface Use #D5BCF3 for cards and hover fills. Tint 80

Avoid beside #5B0274 — 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 #340271 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: #340271;
  --color-base-rgb: 52 2 113;
  --color-base-oklch: oklch(29.1% 0.159 293.0);
  --color-50: #F7F0FE;
  --color-100: #E9D8FD;
  --color-200: #D2B1FC;
  --color-300: #B179F6;
  --color-400: #9149E9;
  --color-500: #7225D0;
  --color-600: #5B259D;
  --color-700: #43206F;
  --color-800: #2E1948;
  --color-900: #1D112C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  midnight-blue: {
    50: '#F7F0FE',
    100: '#E9D8FD',
    200: '#D2B1FC',
    300: '#B179F6',
    400: '#9149E9',
    500: '#7225D0',
    600: '#5B259D',
    700: '#43206F',
    800: '#2E1948',
    900: '#1D112C',
  },
}

$base: #340271;
$base-ink: #FFFFFF;
$base-50: #F7F0FE;
$base-100: #E9D8FD;
$base-200: #D2B1FC;
$base-300: #B179F6;
$base-400: #9149E9;
$base-500: #7225D0;
$base-600: #5B259D;
$base-700: #43206F;
$base-800: #2E1948;
$base-900: #1D112C;
$base-hover: #2A015C;
$base-subtle: #C099F0;

{
    "color": {
        "base": {
            "value": "#340271",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F0FE",
                "type": "color"
            },
            "100": {
                "value": "#E9D8FD",
                "type": "color"
            },
            "200": {
                "value": "#D2B1FC",
                "type": "color"
            },
            "300": {
                "value": "#B179F6",
                "type": "color"
            },
            "400": {
                "value": "#9149E9",
                "type": "color"
            },
            "500": {
                "value": "#7225D0",
                "type": "color"
            },
            "600": {
                "value": "#5B259D",
                "type": "color"
            },
            "700": {
                "value": "#43206F",
                "type": "color"
            },
            "800": {
                "value": "#2E1948",
                "type": "color"
            },
            "900": {
                "value": "#1D112C",
                "type": "color"
            }
        }
    }
}

Palettes built on #340271

Color Lab

Pairs with #340271

UI roles & guardrails

In real applications

Scales

Every model

Export