What color is #243D33?

#243D33 is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(36, 61, 51), and in HSL hsl(156, 26%, 19%).

Is #243D33 accessible as text?

On white, #243D33 has a contrast ratio of 11.73:1 (passes WCAG AA for body text); on black it is 1.79:1 (fails). For text placed on #243D33, use white for the best readability.

What is the closest Tailwind color to #243D33?

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

What colors go well with #243D33?

As a neutral, #243D33 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 #243D33 the same as CSS darkslategray?

No — #243D33 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.

#243D33 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #243D33

Not just a swatch — here's how #243D33 works with other colors. Named schemes with #243D33 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #243D33 Secondary #744F1A Surface #E5DBC0 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.

Japanese Sand Base · 5 colors

Base #243D33 Surface #EDEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2A2723

Bottle Green 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 #243D33 Anchor #141210 Accent #BDA84C Secondary #1F2C27 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.

Moody Editorial Color · 5 colors

Color #243D33 Anchor #292A2E Secondary #6C6F74 Surface #EBE6DA Accent #0B1E1B

Bottle Green adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Bottle Green.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #243D33 Secondary #565F5B 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 #243D33 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 45/100

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 30/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 34/100

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 14/100

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 52/100

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 #243D33

For UI

For branding

For interior

For fashion

People also use #243D33 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 #CEDDD7 for cards and hover fills. Tint 80

Avoid beside #243D3B — 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 #243D33 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: #243D33;
  --color-base-rgb: 36 61 51;
  --color-base-oklch: oklch(33.6% 0.036 167.0);
  --color-50: #F5FAF8;
  --color-100: #E5F0EC;
  --color-200: #CCE1D8;
  --color-300: #A7C8BB;
  --color-400: #83AF9D;
  --color-500: #64917F;
  --color-600: #517164;
  --color-700: #3D5249;
  --color-800: #2A3732;
  --color-900: #1B221F;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F5FAF8',
    100: '#E5F0EC',
    200: '#CCE1D8',
    300: '#A7C8BB',
    400: '#83AF9D',
    500: '#64917F',
    600: '#517164',
    700: '#3D5249',
    800: '#2A3732',
    900: '#1B221F',
  },
}

$base: #243D33;
$base-ink: #FFFFFF;
$base-50: #F5FAF8;
$base-100: #E5F0EC;
$base-200: #CCE1D8;
$base-300: #A7C8BB;
$base-400: #83AF9D;
$base-500: #64917F;
$base-600: #517164;
$base-700: #3D5249;
$base-800: #2A3732;
$base-900: #1B221F;
$base-hover: #1D3129;
$base-subtle: #B5CDC3;

{
    "color": {
        "base": {
            "value": "#243D33",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5FAF8",
                "type": "color"
            },
            "100": {
                "value": "#E5F0EC",
                "type": "color"
            },
            "200": {
                "value": "#CCE1D8",
                "type": "color"
            },
            "300": {
                "value": "#A7C8BB",
                "type": "color"
            },
            "400": {
                "value": "#83AF9D",
                "type": "color"
            },
            "500": {
                "value": "#64917F",
                "type": "color"
            },
            "600": {
                "value": "#517164",
                "type": "color"
            },
            "700": {
                "value": "#3D5249",
                "type": "color"
            },
            "800": {
                "value": "#2A3732",
                "type": "color"
            },
            "900": {
                "value": "#1B221F",
                "type": "color"
            }
        }
    }
}