What color is #331F1B?

#331F1B is a very dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(51, 31, 27), and in HSL hsl(10, 31%, 15%).

Is #331F1B accessible as text?

On white, #331F1B has a contrast ratio of 15.53:1 (passes WCAG AA for body text); on black it is 1.35:1 (fails). For text placed on #331F1B, use white for the best readability.

What is the closest Tailwind color to #331F1B?

The nearest Tailwind CSS token is stone-800 (#292524).

What colors go well with #331F1B?

As a neutral, #331F1B 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 #331F1B the same as CSS darkslategray?

No — #331F1B 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.

#331F1B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #331F1B

Not just a swatch — here's how #331F1B works with other colors. Named schemes with #331F1B in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #331F1B Secondary #7B4927 Surface #EAD9C0 Accent #43503A Anchor #5A222E

Bistre plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Warm Autumn Interior Dominant · 5 colors

Dominant #331F1B Secondary #B76324 Accent #777743 Surface #F4ECDD Anchor #3B2A20

This palette keeps Bistre as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Japanese Sand Base · 5 colors

Base #331F1B Surface #F0E9DC Highlight #F7F1E7 Secondary #BBAEA0 Ink #2B2723

Bistre 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 #331F1B Anchor #141210 Accent #D09E4D Secondary #322523 Surface #F2EDE3

Bistre 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 #331F1B Secondary #4F4745 Support #9B9186 Ink #17140F

Bistre 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 Bistre carrying the quiet middle.

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Color Lab

How #331F1B 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 59/100

Neutral

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 70/100

High

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

Naturalness 44/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 39/100

Low

A faint retro warmth without tipping into sepia.

Luxury 71/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 13/100

Very low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 18/100

Very low

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

Surface fit 58/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #331F1B

For UI

For branding

For interior

For fashion

People also use #331F1B with

Bistre Gunmetal Gray Gainsboro Taupe

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 15.5:1. Use

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

Avoid beside #32261A — 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 #331F1B at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #331F1B;
  --color-base-rgb: 51 31 27;
  --color-base-oklch: oklch(26.4% 0.032 31.8);
  --color-50: #FAF6F5;
  --color-100: #F1E6E4;
  --color-200: #E3CECA;
  --color-300: #CCAAA4;
  --color-400: #B3887F;
  --color-500: #96685F;
  --color-600: #74544E;
  --color-700: #543F3B;
  --color-800: #382B29;
  --color-900: #231C1A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FAF6F5',
    100: '#F1E6E4',
    200: '#E3CECA',
    300: '#CCAAA4',
    400: '#B3887F',
    500: '#96685F',
    600: '#74544E',
    700: '#543F3B',
    800: '#382B29',
    900: '#231C1A',
  },
}

$base: #331F1B;
$base-ink: #FFFFFF;
$base-50: #FAF6F5;
$base-100: #F1E6E4;
$base-200: #E3CECA;
$base-300: #CCAAA4;
$base-400: #B3887F;
$base-500: #96685F;
$base-600: #74544E;
$base-700: #543F3B;
$base-800: #382B29;
$base-900: #231C1A;
$base-hover: #281815;
$base-subtle: #CDB4AF;

{
    "color": {
        "base": {
            "value": "#331F1B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF6F5",
                "type": "color"
            },
            "100": {
                "value": "#F1E6E4",
                "type": "color"
            },
            "200": {
                "value": "#E3CECA",
                "type": "color"
            },
            "300": {
                "value": "#CCAAA4",
                "type": "color"
            },
            "400": {
                "value": "#B3887F",
                "type": "color"
            },
            "500": {
                "value": "#96685F",
                "type": "color"
            },
            "600": {
                "value": "#74544E",
                "type": "color"
            },
            "700": {
                "value": "#543F3B",
                "type": "color"
            },
            "800": {
                "value": "#382B29",
                "type": "color"
            },
            "900": {
                "value": "#231C1A",
                "type": "color"
            }
        }
    }
}