What color is #342B40?

#342B40 is a dark, muted violet. In RGB it is rgb(52, 43, 64), and in HSL hsl(266, 20%, 21%).

Is #342B40 accessible as text?

On white, #342B40 has a contrast ratio of 13.41:1 (passes WCAG AA for body text); on black it is 1.57:1 (fails). For text placed on #342B40, use white for the best readability.

What is the closest Tailwind color to #342B40?

The nearest Tailwind CSS token is mauve-800 (#2A212C).

What colors go well with #342B40?

#342B40 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #37402B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #342B40 below.

Is #342B40 good for buttons?

#342B40 works well for buttons and highlights, but use white text on #342B40 — black text only reaches 1.57:1, below the 4.5:1 needed for normal-size labels.

Is #342B40 the same as CSS darkslategray?

No — #342B40 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) 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.

#342B40 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #342B40

Not just a swatch — here's how #342B40 works with other colors. Named schemes with #342B40 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #342B40 Secondary #7E4631 Surface #EDD8C1 Accent #355248 Anchor #592236

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

Japanese Sand Base · 5 colors

Base #342B40 Surface #F2E8DD Highlight #F8F0E7 Secondary #BDADA1 Ink #2C2723

Gunmetal Gray sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #342B40 Anchor #141210 Accent #D99855 Secondary #2B2731 Surface #F3ECE3

Gunmetal Gray 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #342B40 Secondary #56535B Support #9C9088 Ink #18140F

Gunmetal Gray 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 Gunmetal Gray carrying the quiet middle.

Berry & Cream Lead · 5 colors

Lead #342B40 Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C7 Secondary #332B2F

Gunmetal Gray sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Build a working theme in the generator →

Color Lab

How #342B40 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 47/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 32/100

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 35/100

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 15/100

Very low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 28/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 53/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #342B40

For UI

For branding

For interior

For fashion

People also use #342B40 with

Charcoal Onyx Taupe Gainsboro

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 13.4:1. Use

Subtle surface Use #D6D1DD for cards and hover fills. Tint 80

Avoid beside #3B2B40 — 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 #342B40 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: #342B40;
  --color-base-rgb: 52 43 64;
  --color-base-oklch: oklch(30.8% 0.039 303.8);
  --color-50: #F7F6F9;
  --color-100: #EAE6EF;
  --color-200: #D5CEDE;
  --color-300: #B6ABC5;
  --color-400: #9788AA;
  --color-500: #78698C;
  --color-600: #5F546D;
  --color-700: #463F4F;
  --color-800: #302C35;
  --color-900: #1E1C21;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F7F6F9',
    100: '#EAE6EF',
    200: '#D5CEDE',
    300: '#B6ABC5',
    400: '#9788AA',
    500: '#78698C',
    600: '#5F546D',
    700: '#463F4F',
    800: '#302C35',
    900: '#1E1C21',
  },
}

$base: #342B40;
$base-ink: #FFFFFF;
$base-50: #F7F6F9;
$base-100: #EAE6EF;
$base-200: #D5CEDE;
$base-300: #B6ABC5;
$base-400: #9788AA;
$base-500: #78698C;
$base-600: #5F546D;
$base-700: #463F4F;
$base-800: #302C35;
$base-900: #1E1C21;
$base-hover: #2A2233;
$base-subtle: #C1B9CC;

{
    "color": {
        "base": {
            "value": "#342B40",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F6F9",
                "type": "color"
            },
            "100": {
                "value": "#EAE6EF",
                "type": "color"
            },
            "200": {
                "value": "#D5CEDE",
                "type": "color"
            },
            "300": {
                "value": "#B6ABC5",
                "type": "color"
            },
            "400": {
                "value": "#9788AA",
                "type": "color"
            },
            "500": {
                "value": "#78698C",
                "type": "color"
            },
            "600": {
                "value": "#5F546D",
                "type": "color"
            },
            "700": {
                "value": "#463F4F",
                "type": "color"
            },
            "800": {
                "value": "#302C35",
                "type": "color"
            },
            "900": {
                "value": "#1E1C21",
                "type": "color"
            }
        }
    }
}