What color is #243D36?

#243D36 is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(36, 61, 54), and in HSL hsl(163, 26%, 19%).

Is #243D36 accessible as text?

On white, #243D36 has a contrast ratio of 11.69:1 (passes WCAG AA for body text); on black it is 1.80:1 (fails). For text placed on #243D36, use white for the best readability.

What is the closest Tailwind color to #243D36?

The nearest Tailwind CSS token is neutral-700 (#404040).

What colors go well with #243D36?

As a neutral, #243D36 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 #243D36 the same as CSS darkslategray?

No — #243D36 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.

#243D36 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #243D36

Not just a swatch — here's how #243D36 works with other colors. Named schemes with #243D36 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #243D36 Accent #A7C4BC Surface #E0D9BE Secondary #9AA0A0 Anchor #1B3549

Bottle 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 #243D36 Secondary #ADB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2D3236

Bottle 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 #243D36 Secondary #734F19 Surface #E4DCC0 Accent #3B5141 Anchor #5B231F

Bottle 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.

Luxury Packaging Feature · 5 colors

Feature #243D36 Anchor #141210 Accent #BCA84C Secondary #1F2C28 Surface #F1EDE3

Bottle Green 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 #243D36 Secondary #565F5C Support #989286 Ink #16140F

Bottle 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 Bottle Green carrying the quiet middle.

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Color Lab

How #243D36 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 44/100

Neutral

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 63/100

High

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

Naturalness 21/100

Low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 33/100

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 13/100

Very low

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

UI accent fit 33/100

Low

Workable accent with care around contrast.

Surface fit 53/100

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 #243D36

For UI

For branding

For interior

For fashion

People also use #243D36 with

Hunter Green Gunmetal Gray Bistre 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 11.7:1. Use

Subtle surface Use #CEDDD9 for cards and hover fills. Tint 80

Avoid beside #243C3D — 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 #243D36 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: #243D36;
  --color-base-rgb: 36 61 54;
  --color-base-oklch: oklch(33.7% 0.034 174.6);
  --color-50: #F5FAF8;
  --color-100: #E5F0ED;
  --color-200: #CCE1DB;
  --color-300: #A7C8BF;
  --color-400: #83AFA2;
  --color-500: #649184;
  --color-600: #517168;
  --color-700: #3D524C;
  --color-800: #2A3733;
  --color-900: #1B2220;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F5FAF8',
    100: '#E5F0ED',
    200: '#CCE1DB',
    300: '#A7C8BF',
    400: '#83AFA2',
    500: '#649184',
    600: '#517168',
    700: '#3D524C',
    800: '#2A3733',
    900: '#1B2220',
  },
}

$base: #243D36;
$base-ink: #FFFFFF;
$base-50: #F5FAF8;
$base-100: #E5F0ED;
$base-200: #CCE1DB;
$base-300: #A7C8BF;
$base-400: #83AFA2;
$base-500: #649184;
$base-600: #517168;
$base-700: #3D524C;
$base-800: #2A3733;
$base-900: #1B2220;
$base-hover: #1D312B;
$base-subtle: #B5CDC6;

{
    "color": {
        "base": {
            "value": "#243D36",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5FAF8",
                "type": "color"
            },
            "100": {
                "value": "#E5F0ED",
                "type": "color"
            },
            "200": {
                "value": "#CCE1DB",
                "type": "color"
            },
            "300": {
                "value": "#A7C8BF",
                "type": "color"
            },
            "400": {
                "value": "#83AFA2",
                "type": "color"
            },
            "500": {
                "value": "#649184",
                "type": "color"
            },
            "600": {
                "value": "#517168",
                "type": "color"
            },
            "700": {
                "value": "#3D524C",
                "type": "color"
            },
            "800": {
                "value": "#2A3733",
                "type": "color"
            },
            "900": {
                "value": "#1B2220",
                "type": "color"
            }
        }
    }
}