What color is #3F4346?

#3F4346 is a dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(63, 67, 70), and in HSL hsl(206, 5%, 26%).

Is #3F4346 accessible as text?

On white, #3F4346 has a contrast ratio of 9.99:1 (passes WCAG AA for body text); on black it is 2.10:1 (fails). For text placed on #3F4346, use white for the best readability.

What is the closest Tailwind color to #3F4346?

The nearest Tailwind CSS token is neutral-700 (#404040).

What colors go well with #3F4346?

As a neutral, #3F4346 pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #3F4346 the same as CSS darkslategray?

No — #3F4346 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.

#3F4346 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3F4346

Not just a swatch — here's how #3F4346 works with other colors. Named schemes with #3F4346 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #3F4346 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #606467

Charcoal is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Charcoal.

Vintage Leather Lead · 5 colors

Lead #3F4346 Secondary #7F4439 Surface #E2DDC0 Accent #385245 Anchor #57233C

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

Modern Café Dominant · 5 colors

Dominant #3F4346 Anchor #3C2925 Surface #EAE5D0 Accent #7B9E77 Secondary #393933

Charcoal anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Japanese Sand Base · 5 colors

Base #3F4346 Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2A2823

Charcoal 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #3F4346 Secondary #68696A Support #969386 Ink #16140F

Charcoal 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 Charcoal carrying the quiet middle.

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Color Lab

How #3F4346 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 48/100

Neutral

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

Softness 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 57/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 25/100

Low

A faint retro warmth without tipping into sepia.

Luxury 59/100

Moderate

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

Brand distinctiveness 3/100

Very low

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

UI accent fit 33/100

Low

Workable accent with care around contrast.

Surface fit 58/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 98/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3F4346

For UI

For branding

For interior

For fashion

People also use #3F4346 with

Feldgrau Charcoal Taupe Platinum

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 10.0:1. Use

Subtle surface Use #D8D9DB for cards and hover fills. Tint 80

Avoid beside #3F4146 — 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 #3F4346 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: #3F4346;
  --color-base-rgb: 63 67 70;
  --color-base-oklch: oklch(38.0% 0.007 240.0);
  --color-50: #F7F7F8;
  --color-100: #EAEBEC;
  --color-200: #D4D6D8;
  --color-300: #B4B8BB;
  --color-400: #959A9D;
  --color-500: #767B7F;
  --color-600: #5D6165;
  --color-700: #45484A;
  --color-800: #2F3132;
  --color-900: #1D1F20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  charcoal: {
    50: '#F7F7F8',
    100: '#EAEBEC',
    200: '#D4D6D8',
    300: '#B4B8BB',
    400: '#959A9D',
    500: '#767B7F',
    600: '#5D6165',
    700: '#45484A',
    800: '#2F3132',
    900: '#1D1F20',
  },
}

$base: #3F4346;
$base-ink: #FFFFFF;
$base-50: #F7F7F8;
$base-100: #EAEBEC;
$base-200: #D4D6D8;
$base-300: #B4B8BB;
$base-400: #959A9D;
$base-500: #767B7F;
$base-600: #5D6165;
$base-700: #45484A;
$base-800: #2F3132;
$base-900: #1D1F20;
$base-hover: #323538;
$base-subtle: #C4C7C9;

{
    "color": {
        "base": {
            "value": "#3F4346",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F7F8",
                "type": "color"
            },
            "100": {
                "value": "#EAEBEC",
                "type": "color"
            },
            "200": {
                "value": "#D4D6D8",
                "type": "color"
            },
            "300": {
                "value": "#B4B8BB",
                "type": "color"
            },
            "400": {
                "value": "#959A9D",
                "type": "color"
            },
            "500": {
                "value": "#767B7F",
                "type": "color"
            },
            "600": {
                "value": "#5D6165",
                "type": "color"
            },
            "700": {
                "value": "#45484A",
                "type": "color"
            },
            "800": {
                "value": "#2F3132",
                "type": "color"
            },
            "900": {
                "value": "#1D1F20",
                "type": "color"
            }
        }
    }
}

Palettes built on #3F4346

Color Lab

Pairs with #3F4346

UI roles & guardrails

In real applications

Scales

Every model

Export