What color is #3D4142?

#3D4142 is a dark neutral gray with essentially no hue. In RGB it is rgb(61, 65, 66), and in HSL hsl(192, 4%, 25%).

Is #3D4142 accessible as text?

On white, #3D4142 has a contrast ratio of 10.33:1 (passes WCAG AA for body text); on black it is 2.03:1 (fails). For text placed on #3D4142, use white for the best readability.

What is the closest Tailwind color to #3D4142?

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

What colors go well with #3D4142?

As a neutral, #3D4142 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 #3D4142 the same as CSS darkslategray?

No — #3D4142 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.

#3D4142 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3D4142

Not just a swatch — here's how #3D4142 works with other colors. Named schemes with #3D4142 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #3D4142 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #5E6263

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 #3D4142 Secondary #705116 Surface #E3DCC0 Accent #395143 Anchor #56233F

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.

Japanese Sand Base · 5 colors

Base #3D4142 Surface #ECEADC Highlight #F4F2E7 Secondary #B3B19F Ink #2A2723

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.

Coastal Morning Lead · 5 colors

Lead #3D4142 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #3D4142 Secondary #656767 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 #3D4142 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 58/100

Moderate

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 25/100

Low

Clean and current — no dusty, aged cast.

Luxury 60/100

Moderate

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

Brand distinctiveness 2/100

Very low

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

UI accent fit 31/100

Low

Workable accent with care around contrast.

Surface fit 59/100

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 #3D4142

For UI

For branding

For interior

For fashion

People also use #3D4142 with

Iron Gray Charcoal Taupe Platinum Outer Space

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 10.3:1. Use

Subtle surface Use #D8D9DA for cards and hover fills. Tint 80

Avoid beside #3D4042 — 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 #3D4142 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: #3D4142;
  --color-base-rgb: 61 65 66;
  --color-base-oklch: oklch(37.2% 0.006 214.4);
  --color-50: #F7F8F8;
  --color-100: #EAEBEB;
  --color-200: #D5D7D8;
  --color-300: #B5B9BA;
  --color-400: #959B9D;
  --color-500: #767D7F;
  --color-600: #5D6365;
  --color-700: #45494A;
  --color-800: #2F3232;
  --color-900: #1D1F20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  charcoal: {
    50: '#F7F8F8',
    100: '#EAEBEB',
    200: '#D5D7D8',
    300: '#B5B9BA',
    400: '#959B9D',
    500: '#767D7F',
    600: '#5D6365',
    700: '#45494A',
    800: '#2F3232',
    900: '#1D1F20',
  },
}

$base: #3D4142;
$base-ink: #FFFFFF;
$base-50: #F7F8F8;
$base-100: #EAEBEB;
$base-200: #D5D7D8;
$base-300: #B5B9BA;
$base-400: #959B9D;
$base-500: #767D7F;
$base-600: #5D6365;
$base-700: #45494A;
$base-800: #2F3232;
$base-900: #1D1F20;
$base-hover: #313435;
$base-subtle: #C4C7C7;

{
    "color": {
        "base": {
            "value": "#3D4142",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F8F8",
                "type": "color"
            },
            "100": {
                "value": "#EAEBEB",
                "type": "color"
            },
            "200": {
                "value": "#D5D7D8",
                "type": "color"
            },
            "300": {
                "value": "#B5B9BA",
                "type": "color"
            },
            "400": {
                "value": "#959B9D",
                "type": "color"
            },
            "500": {
                "value": "#767D7F",
                "type": "color"
            },
            "600": {
                "value": "#5D6365",
                "type": "color"
            },
            "700": {
                "value": "#45494A",
                "type": "color"
            },
            "800": {
                "value": "#2F3232",
                "type": "color"
            },
            "900": {
                "value": "#1D1F20",
                "type": "color"
            }
        }
    }
}

Palettes built on #3D4142

Color Lab

Pairs with #3D4142

UI roles & guardrails

In real applications

Scales

Every model

Export