What color is #3B331F?

#3B331F is a dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(59, 51, 31), and in HSL hsl(43, 31%, 18%).

Is #3B331F accessible as text?

On white, #3B331F has a contrast ratio of 12.51:1 (passes WCAG AA for body text); on black it is 1.68:1 (fails). For text placed on #3B331F, use white for the best readability.

What is the closest Tailwind color to #3B331F?

The nearest Tailwind CSS token is stone-700 (#44403B).

What colors go well with #3B331F?

As a neutral, #3B331F 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 #3B331F the same as CSS darkslategray?

No — #3B331F 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.

#3B331F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3B331F

Not just a swatch — here's how #3B331F works with other colors. Named schemes with #3B331F in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #3B331F Secondary #B26712 Accent #707A47 Surface #F3ECDD Anchor #3A2A1F

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

Vintage Leather Lead · 5 colors

Lead #3B331F Secondary #784B21 Surface #E8DAC0 Accent #3F503D Anchor #5B2228

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.

Desert Clay Center · 5 colors

Center #3B331F Surface #E0CFA8 Secondary #AE7B52 Accent #929970 Anchor #3D2C1F

Bistre holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Japanese Sand Base · 5 colors

Base #3B331F Surface #EFE9DC Highlight #F6F1E7 Secondary #B9AF9F 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #3B331F Secondary #5C5952 Support #9A9186 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 #3B331F 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 58/100

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 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 66/100

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 30/100

Low

Workable accent with care around contrast.

Surface fit 53/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3B331F

For UI

For branding

For interior

For fashion

People also use #3B331F with

Espresso Gunmetal Gray Greige 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 12.5:1. Use

Subtle surface Use #DFD9CC for cards and hover fills. Tint 80

Avoid beside #3B3C20 — 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 #3B331F 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: #3B331F;
  --color-base-rgb: 59 51 31;
  --color-base-oklch: oklch(32.4% 0.034 88.6);
  --color-50: #FAF8F5;
  --color-100: #F1EDE4;
  --color-200: #E3DCCA;
  --color-300: #CCC0A4;
  --color-400: #B3A47F;
  --color-500: #96865F;
  --color-600: #74694E;
  --color-700: #544D3B;
  --color-800: #383429;
  --color-900: #23201A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FAF8F5',
    100: '#F1EDE4',
    200: '#E3DCCA',
    300: '#CCC0A4',
    400: '#B3A47F',
    500: '#96865F',
    600: '#74694E',
    700: '#544D3B',
    800: '#383429',
    900: '#23201A',
  },
}

$base: #3B331F;
$base-ink: #FFFFFF;
$base-50: #FAF8F5;
$base-100: #F1EDE4;
$base-200: #E3DCCA;
$base-300: #CCC0A4;
$base-400: #B3A47F;
$base-500: #96865F;
$base-600: #74694E;
$base-700: #544D3B;
$base-800: #383429;
$base-900: #23201A;
$base-hover: #302A19;
$base-subtle: #CFC7B1;

{
    "color": {
        "base": {
            "value": "#3B331F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF8F5",
                "type": "color"
            },
            "100": {
                "value": "#F1EDE4",
                "type": "color"
            },
            "200": {
                "value": "#E3DCCA",
                "type": "color"
            },
            "300": {
                "value": "#CCC0A4",
                "type": "color"
            },
            "400": {
                "value": "#B3A47F",
                "type": "color"
            },
            "500": {
                "value": "#96865F",
                "type": "color"
            },
            "600": {
                "value": "#74694E",
                "type": "color"
            },
            "700": {
                "value": "#544D3B",
                "type": "color"
            },
            "800": {
                "value": "#383429",
                "type": "color"
            },
            "900": {
                "value": "#23201A",
                "type": "color"
            }
        }
    }
}

Palettes built on #3B331F

Color Lab

Pairs with #3B331F

UI roles & guardrails

In real applications

Scales

Every model

Export