What color is #40332B?

#40332B is a dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(64, 51, 43), and in HSL hsl(23, 20%, 21%).

Is #40332B accessible as text?

On white, #40332B has a contrast ratio of 12.16:1 (passes WCAG AA for body text); on black it is 1.73:1 (fails). For text placed on #40332B, use white for the best readability.

What is the closest Tailwind color to #40332B?

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

What colors go well with #40332B?

As a neutral, #40332B 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 #40332B the same as CSS darkslategray?

No — #40332B 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.

#40332B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #40332B

Not just a swatch — here's how #40332B works with other colors. Named schemes with #40332B in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #40332B Secondary #7A4A24 Surface #E9DAC0 Accent #41503B Anchor #5B222B

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 #40332B Secondary #B5651E Accent #747844 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 #40332B Surface #F0E9DC Highlight #F6F1E7 Secondary #BAAF9F 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 #40332B Anchor #141210 Accent #CDA04C Secondary #312620 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 #40332B Secondary #5F5A57 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 #40332B 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 57/100

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 38/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

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

Brand distinctiveness 9/100

Very low

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

UI accent fit 29/100

Low

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

Surface fit 56/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 97/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #40332B

For UI

For branding

For interior

For fashion

People also use #40332B with

Eggplant Taupe Gunmetal Gray Greige

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 12.2:1. Use

Subtle surface Use #DDD5D1 for cards and hover fills. Tint 80

Avoid beside #403A2B — 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 #40332B 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: #40332B;
  --color-base-rgb: 64 51 43;
  --color-base-oklch: oklch(33.3% 0.023 53.3);
  --color-50: #F9F7F6;
  --color-100: #EFEAE6;
  --color-200: #DED4CE;
  --color-300: #C5B5AB;
  --color-400: #AA9588;
  --color-500: #8C7669;
  --color-600: #6D5E54;
  --color-700: #4F463F;
  --color-800: #352F2C;
  --color-900: #211E1C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#F9F7F6',
    100: '#EFEAE6',
    200: '#DED4CE',
    300: '#C5B5AB',
    400: '#AA9588',
    500: '#8C7669',
    600: '#6D5E54',
    700: '#4F463F',
    800: '#352F2C',
    900: '#211E1C',
  },
}

$base: #40332B;
$base-ink: #FFFFFF;
$base-50: #F9F7F6;
$base-100: #EFEAE6;
$base-200: #DED4CE;
$base-300: #C5B5AB;
$base-400: #AA9588;
$base-500: #8C7669;
$base-600: #6D5E54;
$base-700: #4F463F;
$base-800: #352F2C;
$base-900: #211E1C;
$base-hover: #332922;
$base-subtle: #CCC0B9;

{
    "color": {
        "base": {
            "value": "#40332B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F7F6",
                "type": "color"
            },
            "100": {
                "value": "#EFEAE6",
                "type": "color"
            },
            "200": {
                "value": "#DED4CE",
                "type": "color"
            },
            "300": {
                "value": "#C5B5AB",
                "type": "color"
            },
            "400": {
                "value": "#AA9588",
                "type": "color"
            },
            "500": {
                "value": "#8C7669",
                "type": "color"
            },
            "600": {
                "value": "#6D5E54",
                "type": "color"
            },
            "700": {
                "value": "#4F463F",
                "type": "color"
            },
            "800": {
                "value": "#352F2C",
                "type": "color"
            },
            "900": {
                "value": "#211E1C",
                "type": "color"
            }
        }
    }
}