What color is #243B2E?

#243B2E is a dark, muted teal-green. In RGB it is rgb(36, 59, 46), and in HSL hsl(146, 24%, 19%).

Is #243B2E accessible as text?

On white, #243B2E has a contrast ratio of 12.07:1 (passes WCAG AA for body text); on black it is 1.74:1 (fails). For text placed on #243B2E, use white for the best readability.

What is the closest Tailwind color to #243B2E?

The nearest Tailwind CSS token is olive-800 (#2B2B22).

What colors go well with #243B2E?

#243B2E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3C2532. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #243B2E below.

Is #243B2E good for buttons?

#243B2E works well for buttons and highlights, but use white text on #243B2E — black text only reaches 1.74:1, below the 4.5:1 needed for normal-size labels.

Is #243B2E the same as CSS darkslategray?

No — #243B2E 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.

#243B2E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #243B2E

Not just a swatch — here's how #243B2E works with other colors. Named schemes with #243B2E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #243B2E Secondary #4A6C3D Accent #AC6D00 Surface #EEEAD6 Anchor #3C2F20

Bottle Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Vintage Leather Lead · 5 colors

Lead #243B2E Secondary #744E1A Surface #E5DBC0 Accent #3C5140 Anchor #5B2320

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 #243B2E Surface #EEEADC 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 #243B2E Anchor #141210 Accent #BEA74C Secondary #212C25 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 #243B2E Secondary #555D58 Support #989286 Ink #17140F

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 #243B2E 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 46/100

Neutral

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 64/100

High

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

Naturalness 40/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 35/100

Low

A faint retro warmth without tipping into sepia.

Luxury 66/100

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 32/100

Low

Workable accent with care around contrast.

Surface fit 52/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #243B2E

For UI

For branding

For interior

For fashion

People also use #243B2E with

Hunter Green Onyx 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 12.1:1. Use

Subtle surface Use #CFDDD5 for cards and hover fills. Tint 80

Avoid beside #253C37 — 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 #243B2E 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: #243B2E;
  --color-base-rgb: 36 59 46;
  --color-base-oklch: oklch(32.9% 0.037 158.7);
  --color-50: #F5F9F7;
  --color-100: #E5F0EA;
  --color-200: #CCE0D5;
  --color-300: #A8C7B6;
  --color-400: #85AD96;
  --color-500: #659078;
  --color-600: #52705F;
  --color-700: #3E5146;
  --color-800: #2B3630;
  --color-900: #1B221E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F5F9F7',
    100: '#E5F0EA',
    200: '#CCE0D5',
    300: '#A8C7B6',
    400: '#85AD96',
    500: '#659078',
    600: '#52705F',
    700: '#3E5146',
    800: '#2B3630',
    900: '#1B221E',
  },
}

$base: #243B2E;
$base-ink: #FFFFFF;
$base-50: #F5F9F7;
$base-100: #E5F0EA;
$base-200: #CCE0D5;
$base-300: #A8C7B6;
$base-400: #85AD96;
$base-500: #659078;
$base-600: #52705F;
$base-700: #3E5146;
$base-800: #2B3630;
$base-900: #1B221E;
$base-hover: #1D3026;
$base-subtle: #B6CCC0;

{
    "color": {
        "base": {
            "value": "#243B2E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F9F7",
                "type": "color"
            },
            "100": {
                "value": "#E5F0EA",
                "type": "color"
            },
            "200": {
                "value": "#CCE0D5",
                "type": "color"
            },
            "300": {
                "value": "#A8C7B6",
                "type": "color"
            },
            "400": {
                "value": "#85AD96",
                "type": "color"
            },
            "500": {
                "value": "#659078",
                "type": "color"
            },
            "600": {
                "value": "#52705F",
                "type": "color"
            },
            "700": {
                "value": "#3E5146",
                "type": "color"
            },
            "800": {
                "value": "#2B3630",
                "type": "color"
            },
            "900": {
                "value": "#1B221E",
                "type": "color"
            }
        }
    }
}