What color is #182621?

#182621 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(24, 38, 33), and in HSL hsl(159, 23%, 12%).

Is #182621 accessible as text?

On white, #182621 has a contrast ratio of 15.69:1 (passes WCAG AA for body text); on black it is 1.34:1 (fails). For text placed on #182621, use white for the best readability.

What is the closest Tailwind color to #182621?

The nearest Tailwind CSS token is neutral-800 (#262626).

What colors go well with #182621?

As a neutral, #182621 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 #182621 the same as CSS darkslategray?

No — #182621 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.

#182621 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #182621

Not just a swatch — here's how #182621 works with other colors. Named schemes with #182621 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #182621 Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #37443F

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

Vintage Leather Lead · 5 colors

Lead #182621 Secondary #734F19 Surface #E5DBC0 Accent #3B5141 Anchor #5B231F

Graphite 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 #182621 Surface #EDEADC Highlight #F5F1E7 Secondary #B5B19F Ink #2A2723

Graphite 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 #182621 Anchor #141210 Accent #BCA84C Secondary #1F2C27 Surface #F1EDE3

Graphite 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 #F7F4EF Accent #182621 Secondary #424745 Support #989286 Ink #16140F

Graphite 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 Graphite carrying the quiet middle.

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Color Lab

How #182621 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 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 70/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 19/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 25/100

Low

Clean and current — no dusty, aged cast.

Luxury 70/100

High

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

Brand distinctiveness 8/100

Very low

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

UI accent fit 15/100

Very low

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

Surface fit 62/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #182621

For UI

For branding

For interior

For fashion

People also use #182621 with

Bottle Green Graphite Platinum Dark Slate Gray

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 15.7:1. Use

Subtle surface Use #CBDAD4 for cards and hover fills. Tint 80

Avoid beside #182625 — 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 #182621 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: #182621;
  --color-base-rgb: 24 38 33;
  --color-base-oklch: oklch(25.4% 0.021 170.4);
  --color-50: #F5F9F8;
  --color-100: #E6F0EC;
  --color-200: #CDE0D9;
  --color-300: #A9C6BC;
  --color-400: #86AC9F;
  --color-500: #668F80;
  --color-600: #536F65;
  --color-700: #3E514A;
  --color-800: #2B3632;
  --color-900: #1B2220;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F5F9F8',
    100: '#E6F0EC',
    200: '#CDE0D9',
    300: '#A9C6BC',
    400: '#86AC9F',
    500: '#668F80',
    600: '#536F65',
    700: '#3E514A',
    800: '#2B3632',
    900: '#1B2220',
  },
}

$base: #182621;
$base-ink: #FFFFFF;
$base-50: #F5F9F8;
$base-100: #E6F0EC;
$base-200: #CDE0D9;
$base-300: #A9C6BC;
$base-400: #86AC9F;
$base-500: #668F80;
$base-600: #536F65;
$base-700: #3E514A;
$base-800: #2B3632;
$base-900: #1B2220;
$base-hover: #131E1A;
$base-subtle: #B0C7BF;

{
    "color": {
        "base": {
            "value": "#182621",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F9F8",
                "type": "color"
            },
            "100": {
                "value": "#E6F0EC",
                "type": "color"
            },
            "200": {
                "value": "#CDE0D9",
                "type": "color"
            },
            "300": {
                "value": "#A9C6BC",
                "type": "color"
            },
            "400": {
                "value": "#86AC9F",
                "type": "color"
            },
            "500": {
                "value": "#668F80",
                "type": "color"
            },
            "600": {
                "value": "#536F65",
                "type": "color"
            },
            "700": {
                "value": "#3E514A",
                "type": "color"
            },
            "800": {
                "value": "#2B3632",
                "type": "color"
            },
            "900": {
                "value": "#1B2220",
                "type": "color"
            }
        }
    }
}

Palettes built on #182621

Color Lab

Pairs with #182621

UI roles & guardrails

In real applications

Scales

Every model

Export