What color is #402423?

#402423 is a dark, muted brown. In RGB it is rgb(64, 36, 35), and in HSL hsl(2, 29%, 19%).

Is #402423 accessible as text?

On white, #402423 has a contrast ratio of 14.05:1 (passes WCAG AA for body text); on black it is 1.49:1 (fails). For text placed on #402423, use white for the best readability.

What is the closest Tailwind color to #402423?

The nearest Tailwind CSS token is yellow-950 (#432004).

What colors go well with #402423?

#402423 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #223E3F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #402423 below.

Is #402423 good for buttons?

#402423 works well for buttons and highlights, but use white text on #402423 — black text only reaches 1.49:1, below the 4.5:1 needed for normal-size labels.

Is #402423 the same as CSS darkslategray?

No — #402423 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.

#402423 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #402423

Not just a swatch — here's how #402423 works with other colors. Named schemes with #402423 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #402423 Secondary #7C4928 Surface #EAD9C0 Accent #43503A Anchor #5A222F

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 #402423 Secondary #B76327 Accent #787742 Surface #F4EBDD Anchor #3B2A21

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 #402423 Surface #F0E8DC 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 #402423 Anchor #141210 Accent #D19E4E Secondary #322524 Surface #F3EDE3

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 #402423 Secondary #5A4E4E Support #9B9087 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 #402423 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 61/100

Neutral

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 67/100

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 46/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 17/100

Very low

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

UI accent fit 26/100

Low

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

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 #402423

For UI

For branding

For interior

For fashion

People also use #402423 with

Eggplant Bistre Onyx Gainsboro Espresso

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 14.1:1. Use

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

Avoid beside #3F2D22 — 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 #402423 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: #402423;
  --color-base-rgb: 64 36 35;
  --color-base-oklch: oklch(29.6% 0.043 22.2);
  --color-50: #FAF5F5;
  --color-100: #F1E5E4;
  --color-200: #E2CBCA;
  --color-300: #CAA6A5;
  --color-400: #B18381;
  --color-500: #946361;
  --color-600: #73504F;
  --color-700: #533C3C;
  --color-800: #372A29;
  --color-900: #231B1B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FAF5F5',
    100: '#F1E5E4',
    200: '#E2CBCA',
    300: '#CAA6A5',
    400: '#B18381',
    500: '#946361',
    600: '#73504F',
    700: '#533C3C',
    800: '#372A29',
    900: '#231B1B',
  },
}

$base: #402423;
$base-ink: #FFFFFF;
$base-50: #FAF5F5;
$base-100: #F1E5E4;
$base-200: #E2CBCA;
$base-300: #CAA6A5;
$base-400: #B18381;
$base-500: #946361;
$base-600: #73504F;
$base-700: #533C3C;
$base-800: #372A29;
$base-900: #231B1B;
$base-hover: #321C1C;
$base-subtle: #CFB4B3;

{
    "color": {
        "base": {
            "value": "#402423",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF5F5",
                "type": "color"
            },
            "100": {
                "value": "#F1E5E4",
                "type": "color"
            },
            "200": {
                "value": "#E2CBCA",
                "type": "color"
            },
            "300": {
                "value": "#CAA6A5",
                "type": "color"
            },
            "400": {
                "value": "#B18381",
                "type": "color"
            },
            "500": {
                "value": "#946361",
                "type": "color"
            },
            "600": {
                "value": "#73504F",
                "type": "color"
            },
            "700": {
                "value": "#533C3C",
                "type": "color"
            },
            "800": {
                "value": "#372A29",
                "type": "color"
            },
            "900": {
                "value": "#231B1B",
                "type": "color"
            }
        }
    }
}

Palettes built on #402423

Color Lab

Pairs with #402423

UI roles & guardrails

In real applications

Scales

Every model

Export