What color is #263C30?

#263C30 is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(38, 60, 48), and in HSL hsl(147, 22%, 19%).

Is #263C30 accessible as text?

On white, #263C30 has a contrast ratio of 11.85:1 (passes WCAG AA for body text); on black it is 1.77:1 (fails). For text placed on #263C30, use white for the best readability.

What is the closest Tailwind color to #263C30?

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

What colors go well with #263C30?

As a neutral, #263C30 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 #263C30 the same as CSS darkslategray?

No — #263C30 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.

#263C30 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #263C30

Not just a swatch — here's how #263C30 works with other colors. Named schemes with #263C30 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #263C30 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 #263C30 Secondary #744E1A Surface #E5DBC0 Accent #3B5141 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 #263C30 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 #263C30 Anchor #141210 Accent #BEA74C Secondary #202C25 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 #263C30 Secondary #565E59 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 #263C30 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 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 63/100

High

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

Naturalness 37/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 35/100

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 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 #263C30

For UI

For branding

For interior

For fashion

People also use #263C30 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 11.9:1. Use

Subtle surface Use #CFDCD5 for cards and hover fills. Tint 80

Avoid beside #263B36 — 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 #263C30 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: #263C30;
  --color-base-rgb: 38 60 48;
  --color-base-oklch: oklch(33.4% 0.035 159.9);
  --color-50: #F6F9F7;
  --color-100: #E6EFEA;
  --color-200: #CDDFD5;
  --color-300: #A9C6B6;
  --color-400: #87AB97;
  --color-500: #678E78;
  --color-600: #536F60;
  --color-700: #3F5047;
  --color-800: #2B3630;
  --color-900: #1C221E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F6F9F7',
    100: '#E6EFEA',
    200: '#CDDFD5',
    300: '#A9C6B6',
    400: '#87AB97',
    500: '#678E78',
    600: '#536F60',
    700: '#3F5047',
    800: '#2B3630',
    900: '#1C221E',
  },
}

$base: #263C30;
$base-ink: #FFFFFF;
$base-50: #F6F9F7;
$base-100: #E6EFEA;
$base-200: #CDDFD5;
$base-300: #A9C6B6;
$base-400: #87AB97;
$base-500: #678E78;
$base-600: #536F60;
$base-700: #3F5047;
$base-800: #2B3630;
$base-900: #1C221E;
$base-hover: #1E2F26;
$base-subtle: #B7CBC0;

{
    "color": {
        "base": {
            "value": "#263C30",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F7",
                "type": "color"
            },
            "100": {
                "value": "#E6EFEA",
                "type": "color"
            },
            "200": {
                "value": "#CDDFD5",
                "type": "color"
            },
            "300": {
                "value": "#A9C6B6",
                "type": "color"
            },
            "400": {
                "value": "#87AB97",
                "type": "color"
            },
            "500": {
                "value": "#678E78",
                "type": "color"
            },
            "600": {
                "value": "#536F60",
                "type": "color"
            },
            "700": {
                "value": "#3F5047",
                "type": "color"
            },
            "800": {
                "value": "#2B3630",
                "type": "color"
            },
            "900": {
                "value": "#1C221E",
                "type": "color"
            }
        }
    }
}