What color is #185444?

#185444 is a dark teal-green. In RGB it is rgb(24, 84, 68), and in HSL hsl(164, 56%, 21%).

Is #185444 accessible as text?

On white, #185444 has a contrast ratio of 8.78:1 (passes WCAG AA for body text); on black it is 2.39:1 (fails). For text placed on #185444, use white for the best readability.

What is the closest Tailwind color to #185444?

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

What colors go well with #185444?

#185444 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #541828. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #185444 below.

Is #185444 good for buttons?

#185444 works well for buttons and highlights, but use white text on #185444 — black text only reaches 2.39:1, below the 4.5:1 needed for normal-size labels.

Is #185444 the same as CSS darkslategray?

No — #185444 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.

#185444 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #185444

Not just a swatch — here's how #185444 works with other colors. Named schemes with #185444 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #185444 Accent #A7C4BC Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3549

Castleton 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 #185444 Secondary #ADB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2D3236

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

Vintage Leather Lead · 5 colors

Lead #185444 Secondary #734F19 Surface #E5DBC0 Accent #3B5141 Anchor #5B231F

Castleton 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.

Modern Café Dominant · 5 colors

Dominant #185444 Anchor #382B1E Surface #ECE4D0 Accent #849C6F Secondary #3A3833

Castleton Green 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #185444 Secondary #62746E Support #989286 Ink #16140F

Castleton 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 Castleton Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #185444 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 40/100

Neutral

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

Softness 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 58/100

Moderate

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

Naturalness 42/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 63/100

High

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

Brand distinctiveness 18/100

Very low

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

UI accent fit 61/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 38/100

Low

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 #185444

For UI

For branding

For interior

For fashion

People also use #185444 with

Dark Olive Green Charcoal Rosewood 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 8.8:1. Use

Subtle surface Use #C6E7DE for cards and hover fills. Tint 80

Avoid beside #185054 — 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 #185444 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: #185444;
  --color-base-rgb: 24 84 68;
  --color-base-oklch: oklch(40.3% 0.067 171.7);
  --color-50: #F3FCFA;
  --color-100: #DFF7F0;
  --color-200: #BFEDE1;
  --color-300: #93DCC8;
  --color-400: #6BC7AF;
  --color-500: #49AC91;
  --color-600: #3E8471;
  --color-700: #315E52;
  --color-800: #233E37;
  --color-900: #172622;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F3FCFA',
    100: '#DFF7F0',
    200: '#BFEDE1',
    300: '#93DCC8',
    400: '#6BC7AF',
    500: '#49AC91',
    600: '#3E8471',
    700: '#315E52',
    800: '#233E37',
    900: '#172622',
  },
}

$base: #185444;
$base-ink: #FFFFFF;
$base-50: #F3FCFA;
$base-100: #DFF7F0;
$base-200: #BFEDE1;
$base-300: #93DCC8;
$base-400: #6BC7AF;
$base-500: #49AC91;
$base-600: #3E8471;
$base-700: #315E52;
$base-800: #233E37;
$base-900: #172622;
$base-hover: #134336;
$base-subtle: #A9DCCF;

{
    "color": {
        "base": {
            "value": "#185444",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCFA",
                "type": "color"
            },
            "100": {
                "value": "#DFF7F0",
                "type": "color"
            },
            "200": {
                "value": "#BFEDE1",
                "type": "color"
            },
            "300": {
                "value": "#93DCC8",
                "type": "color"
            },
            "400": {
                "value": "#6BC7AF",
                "type": "color"
            },
            "500": {
                "value": "#49AC91",
                "type": "color"
            },
            "600": {
                "value": "#3E8471",
                "type": "color"
            },
            "700": {
                "value": "#315E52",
                "type": "color"
            },
            "800": {
                "value": "#233E37",
                "type": "color"
            },
            "900": {
                "value": "#172622",
                "type": "color"
            }
        }
    }
}

Palettes built on #185444

Color Lab

Pairs with #185444

UI roles & guardrails

In real applications

Scales

Every model

Export