What color is #184548?

#184548 is a dark cyan. In RGB it is rgb(24, 69, 72), and in HSL hsl(184, 50%, 19%).

Is #184548 accessible as text?

On white, #184548 has a contrast ratio of 10.59:1 (passes WCAG AA for body text); on black it is 1.98:1 (fails). For text placed on #184548, use white for the best readability.

What is the closest Tailwind color to #184548?

The nearest Tailwind CSS token is teal-900 (#0B4F4A).

What colors go well with #184548?

#184548 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #491B18. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #184548 below.

Is #184548 good for buttons?

#184548 works well for buttons and highlights, but use white text on #184548 — black text only reaches 1.98:1, below the 4.5:1 needed for normal-size labels.

Is #184548 the same as CSS darkslategray?

No — #184548 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#184548 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #184548

Not just a swatch — here's how #184548 works with other colors. Named schemes with #184548 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #184548 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Brunswick Green 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 #184548 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Brunswick Green 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 #184548 Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #3F6668

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

Vintage Leather Lead · 5 colors

Lead #184548 Secondary #715017 Surface #E3DCC0 Accent #395143 Anchor #552340

Brunswick Green 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 #184548 Secondary #596768 Support #979286 Ink #16140F

Brunswick Green 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 Brunswick Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #184548 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 37/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 61/100

High

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

Naturalness 6/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 35/100

Low

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

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

Brand distinctiveness 19/100

Very low

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

UI accent fit 43/100

Moderate

Workable accent with care around contrast.

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #184548

For UI

For branding

For interior

For fashion

People also use #184548 with

Hunter Green Prussian Blue Oxblood 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 10.6:1. Use

Subtle surface Use #C7E3E5 for cards and hover fills. Tint 80

Avoid beside #183549 — 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 #184548 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: #184548;
  --color-base-rgb: 24 69 72;
  --color-base-oklch: oklch(36.1% 0.049 201.3);
  --color-50: #F3FBFC;
  --color-100: #E0F4F5;
  --color-200: #C2E8EB;
  --color-300: #97D4D8;
  --color-400: #70BDC2;
  --color-500: #4EA1A6;
  --color-600: #427C80;
  --color-700: #33595C;
  --color-800: #243B3C;
  --color-900: #182425;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  brunswick-green: {
    50: '#F3FBFC',
    100: '#E0F4F5',
    200: '#C2E8EB',
    300: '#97D4D8',
    400: '#70BDC2',
    500: '#4EA1A6',
    600: '#427C80',
    700: '#33595C',
    800: '#243B3C',
    900: '#182425',
  },
}

$base: #184548;
$base-ink: #FFFFFF;
$base-50: #F3FBFC;
$base-100: #E0F4F5;
$base-200: #C2E8EB;
$base-300: #97D4D8;
$base-400: #70BDC2;
$base-500: #4EA1A6;
$base-600: #427C80;
$base-700: #33595C;
$base-800: #243B3C;
$base-900: #182425;
$base-hover: #13383A;
$base-subtle: #A9D5D9;

{
    "color": {
        "base": {
            "value": "#184548",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBFC",
                "type": "color"
            },
            "100": {
                "value": "#E0F4F5",
                "type": "color"
            },
            "200": {
                "value": "#C2E8EB",
                "type": "color"
            },
            "300": {
                "value": "#97D4D8",
                "type": "color"
            },
            "400": {
                "value": "#70BDC2",
                "type": "color"
            },
            "500": {
                "value": "#4EA1A6",
                "type": "color"
            },
            "600": {
                "value": "#427C80",
                "type": "color"
            },
            "700": {
                "value": "#33595C",
                "type": "color"
            },
            "800": {
                "value": "#243B3C",
                "type": "color"
            },
            "900": {
                "value": "#182425",
                "type": "color"
            }
        }
    }
}