What color is #182C2F?

#182C2F is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(24, 44, 47), and in HSL hsl(188, 32%, 14%).

Is #182C2F accessible as text?

On white, #182C2F has a contrast ratio of 14.58:1 (passes WCAG AA for body text); on black it is 1.44:1 (fails). For text placed on #182C2F, use white for the best readability.

What is the closest Tailwind color to #182C2F?

The nearest Tailwind CSS token is gray-800 (#1E2939).

What colors go well with #182C2F?

As a neutral, #182C2F 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 #182C2F the same as CSS darkslategray?

No — #182C2F 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.

#182C2F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #182C2F

Not just a swatch — here's how #182C2F works with other colors. Named schemes with #182C2F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #182C2F Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

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

Nordic Calm Accent · 5 colors

Accent #182C2F Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Gunmetal Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #182C2F Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #384B4E

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

Vintage Leather Lead · 5 colors

Lead #182C2F Secondary #715117 Surface #E3DCC0 Accent #395143 Anchor #56233F

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #182C2F Secondary #474E4F Support #979286 Ink #16140F

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.

Build a working theme in the generator →

Color Lab

How #182C2F 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 43/100

Neutral

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

Softness 30/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

High

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

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 69/100

High

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

Brand distinctiveness 10/100

Very low

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

UI accent fit 20/100

Very low

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

Surface fit 59/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #182C2F

For UI

For branding

For interior

For fashion

People also use #182C2F with

Brunswick 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 14.6:1. Use

Subtle surface Use #C9DBDD for cards and hover fills. Tint 80

Avoid beside #18242F — 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 #182C2F at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #182C2F;
  --color-base-rgb: 24 44 47;
  --color-base-oklch: oklch(27.8% 0.026 207.8);
  --color-50: #F5F9FA;
  --color-100: #E4F0F2;
  --color-200: #C9E0E3;
  --color-300: #A3C7CC;
  --color-400: #7FACB3;
  --color-500: #5E8F97;
  --color-600: #4D7075;
  --color-700: #3A5154;
  --color-800: #293638;
  --color-900: #1A2223;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F5F9FA',
    100: '#E4F0F2',
    200: '#C9E0E3',
    300: '#A3C7CC',
    400: '#7FACB3',
    500: '#5E8F97',
    600: '#4D7075',
    700: '#3A5154',
    800: '#293638',
    900: '#1A2223',
  },
}

$base: #182C2F;
$base-ink: #FFFFFF;
$base-50: #F5F9FA;
$base-100: #E4F0F2;
$base-200: #C9E0E3;
$base-300: #A3C7CC;
$base-400: #7FACB3;
$base-500: #5E8F97;
$base-600: #4D7075;
$base-700: #3A5154;
$base-800: #293638;
$base-900: #1A2223;
$base-hover: #132326;
$base-subtle: #ADC9CD;

{
    "color": {
        "base": {
            "value": "#182C2F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F9FA",
                "type": "color"
            },
            "100": {
                "value": "#E4F0F2",
                "type": "color"
            },
            "200": {
                "value": "#C9E0E3",
                "type": "color"
            },
            "300": {
                "value": "#A3C7CC",
                "type": "color"
            },
            "400": {
                "value": "#7FACB3",
                "type": "color"
            },
            "500": {
                "value": "#5E8F97",
                "type": "color"
            },
            "600": {
                "value": "#4D7075",
                "type": "color"
            },
            "700": {
                "value": "#3A5154",
                "type": "color"
            },
            "800": {
                "value": "#293638",
                "type": "color"
            },
            "900": {
                "value": "#1A2223",
                "type": "color"
            }
        }
    }
}

Palettes built on #182C2F

Color Lab

Pairs with #182C2F

UI roles & guardrails

In real applications

Scales

Every model

Export