What color is #424348?

#424348 is a dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(66, 67, 72), and in HSL hsl(230, 4%, 27%).

Is #424348 accessible as text?

On white, #424348 has a contrast ratio of 9.87:1 (passes WCAG AA for body text); on black it is 2.13:1 (fails). For text placed on #424348, use white for the best readability.

What is the closest Tailwind color to #424348?

The nearest Tailwind CSS token is zinc-700 (#3F3F46).

What colors go well with #424348?

As a neutral, #424348 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 #424348 the same as CSS darkslategray?

No — #424348 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.

#424348 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #424348

Not just a swatch — here's how #424348 works with other colors. Named schemes with #424348 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #424348 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #636469

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 #424348 Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

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 #424348 Anchor #3B2923 Surface #F3E1D2 Accent #769F7B Secondary #3C3734

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 #424348 Surface #F2E8DD Highlight #F8F0E7 Secondary #BEADA2 Ink #2C2724

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 #F8F4EF Accent #424348 Secondary #696A6C Support #9D9088 Ink #18140F

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 #424348 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 42/100

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 28/100

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 34/100

Low

Workable accent with care around contrast.

Surface fit 57/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 99/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #424348

For UI

For branding

For interior

For fashion

People also use #424348 with

Iron Gray Charcoal Outer Space 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 9.9:1. Use

Subtle surface Use #D9D9DB for cards and hover fills. Tint 80

Avoid beside #434248 — 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 #424348 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: #424348;
  --color-base-rgb: 66 67 72;
  --color-base-oklch: oklch(38.4% 0.009 276.9);
  --color-50: #F7F7F8;
  --color-100: #EAEAEB;
  --color-200: #D5D5D8;
  --color-300: #B5B6BA;
  --color-400: #95969D;
  --color-500: #76777F;
  --color-600: #5D5E65;
  --color-700: #45454A;
  --color-800: #2F2F32;
  --color-900: #1D1E20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  charcoal: {
    50: '#F7F7F8',
    100: '#EAEAEB',
    200: '#D5D5D8',
    300: '#B5B6BA',
    400: '#95969D',
    500: '#76777F',
    600: '#5D5E65',
    700: '#45454A',
    800: '#2F2F32',
    900: '#1D1E20',
  },
}

$base: #424348;
$base-ink: #FFFFFF;
$base-50: #F7F7F8;
$base-100: #EAEAEB;
$base-200: #D5D5D8;
$base-300: #B5B6BA;
$base-400: #95969D;
$base-500: #76777F;
$base-600: #5D5E65;
$base-700: #45454A;
$base-800: #2F2F32;
$base-900: #1D1E20;
$base-hover: #353639;
$base-subtle: #C5C6C9;

{
    "color": {
        "base": {
            "value": "#424348",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F7F8",
                "type": "color"
            },
            "100": {
                "value": "#EAEAEB",
                "type": "color"
            },
            "200": {
                "value": "#D5D5D8",
                "type": "color"
            },
            "300": {
                "value": "#B5B6BA",
                "type": "color"
            },
            "400": {
                "value": "#95969D",
                "type": "color"
            },
            "500": {
                "value": "#76777F",
                "type": "color"
            },
            "600": {
                "value": "#5D5E65",
                "type": "color"
            },
            "700": {
                "value": "#45454A",
                "type": "color"
            },
            "800": {
                "value": "#2F2F32",
                "type": "color"
            },
            "900": {
                "value": "#1D1E20",
                "type": "color"
            }
        }
    }
}

Palettes built on #424348

Color Lab

Pairs with #424348

UI roles & guardrails

In real applications

Scales

Every model

Export