What color is #2B331F?

#2B331F is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(43, 51, 31), and in HSL hsl(84, 24%, 16%).

Is #2B331F accessible as text?

On white, #2B331F has a contrast ratio of 13.16:1 (passes WCAG AA for body text); on black it is 1.60:1 (fails). For text placed on #2B331F, use white for the best readability.

What is the closest Tailwind color to #2B331F?

The nearest Tailwind CSS token is neutral-800 (#262626).

What colors go well with #2B331F?

As a neutral, #2B331F 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 #2B331F the same as CSS darkslategray?

No — #2B331F 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.

#2B331F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2B331F

Not just a swatch — here's how #2B331F works with other colors. Named schemes with #2B331F in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #2B331F Secondary #4F6B39 Accent #AF6A00 Surface #EFE9D6 Anchor #3D2F21

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 #2B331F Secondary #764D1D Surface #E6DBC0 Accent #3D513F Anchor #5B2324

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 #2B331F Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F 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 #2B331F Anchor #141210 Accent #C3A54B Secondary #262B20 Surface #F2EDE3

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 #2B331F Secondary #53564E Support #999286 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 #2B331F 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 53/100

Neutral

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 66/100

High

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

Naturalness 50/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 68/100

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 27/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 54/100

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 #2B331F

For UI

For branding

For interior

For fashion

People also use #2B331F with

Taupe Sacramento Green Graphite Platinum Army 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 13.2:1. Use

Subtle surface Use #D6DCCD for cards and hover fills. Tint 80

Avoid beside #24331F — 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 #2B331F 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: #2B331F;
  --color-base-rgb: 43 51 31;
  --color-base-oklch: oklch(30.7% 0.036 126.1);
  --color-50: #F8F9F5;
  --color-100: #ECF0E5;
  --color-200: #D8E0CC;
  --color-300: #BBC7A8;
  --color-400: #9DAD85;
  --color-500: #7F9065;
  --color-600: #647052;
  --color-700: #49513E;
  --color-800: #32362B;
  --color-900: #1F221B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F8F9F5',
    100: '#ECF0E5',
    200: '#D8E0CC',
    300: '#BBC7A8',
    400: '#9DAD85',
    500: '#7F9065',
    600: '#647052',
    700: '#49513E',
    800: '#32362B',
    900: '#1F221B',
  },
}

$base: #2B331F;
$base-ink: #FFFFFF;
$base-50: #F8F9F5;
$base-100: #ECF0E5;
$base-200: #D8E0CC;
$base-300: #BBC7A8;
$base-400: #9DAD85;
$base-500: #7F9065;
$base-600: #647052;
$base-700: #49513E;
$base-800: #32362B;
$base-900: #1F221B;
$base-hover: #222819;
$base-subtle: #C1CAB3;

{
    "color": {
        "base": {
            "value": "#2B331F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F9F5",
                "type": "color"
            },
            "100": {
                "value": "#ECF0E5",
                "type": "color"
            },
            "200": {
                "value": "#D8E0CC",
                "type": "color"
            },
            "300": {
                "value": "#BBC7A8",
                "type": "color"
            },
            "400": {
                "value": "#9DAD85",
                "type": "color"
            },
            "500": {
                "value": "#7F9065",
                "type": "color"
            },
            "600": {
                "value": "#647052",
                "type": "color"
            },
            "700": {
                "value": "#49513E",
                "type": "color"
            },
            "800": {
                "value": "#32362B",
                "type": "color"
            },
            "900": {
                "value": "#1F221B",
                "type": "color"
            }
        }
    }
}