What color is #263B2B?

#263B2B is a dark, muted green. In RGB it is rgb(38, 59, 43), and in HSL hsl(134, 22%, 19%).

Is #263B2B accessible as text?

On white, #263B2B has a contrast ratio of 12.05:1 (passes WCAG AA for body text); on black it is 1.74:1 (fails). For text placed on #263B2B, use white for the best readability.

What is the closest Tailwind color to #263B2B?

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

What colors go well with #263B2B?

#263B2B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3B2636. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #263B2B below.

Is #263B2B good for buttons?

#263B2B works well for buttons and highlights, but use white text on #263B2B — black text only reaches 1.74:1, below the 4.5:1 needed for normal-size labels.

Is #263B2B the same as CSS darkslategray?

No — #263B2B 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.

#263B2B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #263B2B

Not just a swatch — here's how #263B2B works with other colors. Named schemes with #263B2B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #263B2B Secondary #4B6C3C Accent #AD6C00 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 #263B2B Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

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 #263B2B Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

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 #263B2B Anchor #141210 Accent #BFA74B Secondary #222C24 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 #263B2B Secondary #555D57 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 #263B2B 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 48/100

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 49/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 37/100

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 15/100

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 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #263B2B

For UI

For branding

For interior

For fashion

People also use #263B2B with

Army Green Onyx Bistre Platinum Brunswick Green

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 12.0:1. Use

Subtle surface Use #CFDCD2 for cards and hover fills. Tint 80

Avoid beside #263B32 — 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 #263B2B 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: #263B2B;
  --color-base-rgb: 38 59 43;
  --color-base-oklch: oklch(32.9% 0.039 151.3);
  --color-50: #F6F9F6;
  --color-100: #E6EFE8;
  --color-200: #CDDFD1;
  --color-300: #A9C6B0;
  --color-400: #87AB8F;
  --color-500: #678E70;
  --color-600: #536F5A;
  --color-700: #3F5043;
  --color-800: #2B362E;
  --color-900: #1C221D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F6F9F6',
    100: '#E6EFE8',
    200: '#CDDFD1',
    300: '#A9C6B0',
    400: '#87AB8F',
    500: '#678E70',
    600: '#536F5A',
    700: '#3F5043',
    800: '#2B362E',
    900: '#1C221D',
  },
}

$base: #263B2B;
$base-ink: #FFFFFF;
$base-50: #F6F9F6;
$base-100: #E6EFE8;
$base-200: #CDDFD1;
$base-300: #A9C6B0;
$base-400: #87AB8F;
$base-500: #678E70;
$base-600: #536F5A;
$base-700: #3F5043;
$base-800: #2B362E;
$base-900: #1C221D;
$base-hover: #1E2F22;
$base-subtle: #B7CBBC;

{
    "color": {
        "base": {
            "value": "#263B2B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F6",
                "type": "color"
            },
            "100": {
                "value": "#E6EFE8",
                "type": "color"
            },
            "200": {
                "value": "#CDDFD1",
                "type": "color"
            },
            "300": {
                "value": "#A9C6B0",
                "type": "color"
            },
            "400": {
                "value": "#87AB8F",
                "type": "color"
            },
            "500": {
                "value": "#678E70",
                "type": "color"
            },
            "600": {
                "value": "#536F5A",
                "type": "color"
            },
            "700": {
                "value": "#3F5043",
                "type": "color"
            },
            "800": {
                "value": "#2B362E",
                "type": "color"
            },
            "900": {
                "value": "#1C221D",
                "type": "color"
            }
        }
    }
}