What color is #403D37?

#403D37 is a dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(64, 61, 55), and in HSL hsl(40, 8%, 23%).

Is #403D37 accessible as text?

On white, #403D37 has a contrast ratio of 10.82:1 (passes WCAG AA for body text); on black it is 1.94:1 (fails). For text placed on #403D37, use white for the best readability.

What is the closest Tailwind color to #403D37?

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

What colors go well with #403D37?

As a neutral, #403D37 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 #403D37 the same as CSS darkslategray?

No — #403D37 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.

#403D37 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #403D37

Not just a swatch — here's how #403D37 works with other colors. Named schemes with #403D37 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #403D37 Surface #13161A Highlight #F4F6F8 Secondary #56686F Accent #605E58

Taupe is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Taupe.

Vintage Leather Lead · 5 colors

Lead #403D37 Secondary #794B21 Surface #E8DAC0 Accent #40503D Anchor #5B2228

Taupe 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 #403D37 Surface #EFE9DC Highlight #F6F1E7 Secondary #B9AF9F Ink #2B2723

Taupe 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 #403D37 Anchor #141210 Accent #C9A24B Secondary #2D281E Surface #F2EDE3

Taupe 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 #403D37 Secondary #646361 Support #9A9186 Ink #17140F

Taupe 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 Taupe carrying the quiet middle.

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Color Lab

How #403D37 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 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 59/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 28/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 40/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 61/100

High

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

Brand distinctiveness 4/100

Very low

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

UI accent fit 31/100

Low

Workable accent with care around contrast.

Surface fit 58/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 98/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #403D37

For UI

For branding

For interior

For fashion

People also use #403D37 with

Outer Space Taupe Onyx Platinum

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 10.8:1. Use

Subtle surface Use #DAD8D5 for cards and hover fills. Tint 80

Avoid beside #3F3F36 — 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 #403D37 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: #403D37;
  --color-base-rgb: 64 61 55;
  --color-base-oklch: oklch(36.1% 0.011 84.6);
  --color-50: #F8F8F7;
  --color-100: #ECEBE9;
  --color-200: #D9D7D3;
  --color-300: #BDB9B2;
  --color-400: #A09B92;
  --color-500: #817D73;
  --color-600: #66635C;
  --color-700: #4B4844;
  --color-800: #32312F;
  --color-900: #201F1D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  taupe: {
    50: '#F8F8F7',
    100: '#ECEBE9',
    200: '#D9D7D3',
    300: '#BDB9B2',
    400: '#A09B92',
    500: '#817D73',
    600: '#66635C',
    700: '#4B4844',
    800: '#32312F',
    900: '#201F1D',
  },
}

$base: #403D37;
$base-ink: #FFFFFF;
$base-50: #F8F8F7;
$base-100: #ECEBE9;
$base-200: #D9D7D3;
$base-300: #BDB9B2;
$base-400: #A09B92;
$base-500: #817D73;
$base-600: #66635C;
$base-700: #4B4844;
$base-800: #32312F;
$base-900: #201F1D;
$base-hover: #33302B;
$base-subtle: #C8C5C1;

{
    "color": {
        "base": {
            "value": "#403D37",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F8F7",
                "type": "color"
            },
            "100": {
                "value": "#ECEBE9",
                "type": "color"
            },
            "200": {
                "value": "#D9D7D3",
                "type": "color"
            },
            "300": {
                "value": "#BDB9B2",
                "type": "color"
            },
            "400": {
                "value": "#A09B92",
                "type": "color"
            },
            "500": {
                "value": "#817D73",
                "type": "color"
            },
            "600": {
                "value": "#66635C",
                "type": "color"
            },
            "700": {
                "value": "#4B4844",
                "type": "color"
            },
            "800": {
                "value": "#32312F",
                "type": "color"
            },
            "900": {
                "value": "#201F1D",
                "type": "color"
            }
        }
    }
}

Palettes built on #403D37

Color Lab

Pairs with #403D37

UI roles & guardrails

In real applications

Scales

Every model

Export