What color is #57421B?

#57421B is a dark brown. In RGB it is rgb(87, 66, 27), and in HSL hsl(39, 53%, 22%).

Is #57421B accessible as text?

On white, #57421B has a contrast ratio of 9.54:1 (passes WCAG AA for body text); on black it is 2.20:1 (fails). For text placed on #57421B, use white for the best readability.

What is the closest Tailwind color to #57421B?

The nearest Tailwind CSS token is olive-700 (#474739).

What colors go well with #57421B?

#57421B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1A2F56. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #57421B below.

Is #57421B good for buttons?

#57421B works well for buttons and highlights, but use white text on #57421B — black text only reaches 2.20:1, below the 4.5:1 needed for normal-size labels.

Is #57421B the same as CSS darkslategray?

No — #57421B 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.

#57421B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #57421B

Not just a swatch — here's how #57421B works with other colors. Named schemes with #57421B in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #57421B Secondary #B36715 Accent #717946 Surface #F3ECDD Anchor #3B2A1F

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

Modern Café Dominant · 5 colors

Dominant #57421B Anchor #3A2A1F Surface #EFE3D0 Accent #909868 Secondary #3B3833

Espresso anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Vintage Leather Lead · 5 colors

Lead #57421B Secondary #794B21 Surface #E8DAC0 Accent #40503D Anchor #5B2229

Espresso 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 #57421B Surface #E0CFA8 Secondary #AF7B53 Accent #92996F Anchor #3E2C1F

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #57421B Secondary #736C5F Support #9A9186 Ink #17140F

Espresso 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 Espresso carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #57421B 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 66/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

Softness 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 59/100

Moderate

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

Naturalness 84/100

Very high

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 64/100

High

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 63/100

High

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

Brand distinctiveness 24/100

Low

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

UI accent fit 56/100

Moderate

Workable accent with care around contrast.

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #57421B

For UI

For branding

For interior

For fashion

People also use #57421B with

Wine Red Army Green Prussian Blue 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 9.5:1. Use

Subtle surface Use #E6DCC8 for cards and hover fills. Tint 80

Avoid beside #56551A — 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 #57421B 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: #57421B;
  --color-base-rgb: 87 66 27;
  --color-base-oklch: oklch(39.3% 0.062 80.7);
  --color-50: #FCF9F3;
  --color-100: #F6EEDF;
  --color-200: #ECDDC1;
  --color-300: #DAC295;
  --color-400: #C5A66D;
  --color-500: #A9884C;
  --color-600: #826B40;
  --color-700: #5D4E32;
  --color-800: #3D3424;
  --color-900: #262117;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  espresso: {
    50: '#FCF9F3',
    100: '#F6EEDF',
    200: '#ECDDC1',
    300: '#DAC295',
    400: '#C5A66D',
    500: '#A9884C',
    600: '#826B40',
    700: '#5D4E32',
    800: '#3D3424',
    900: '#262117',
  },
}

$base: #57421B;
$base-ink: #FFFFFF;
$base-50: #FCF9F3;
$base-100: #F6EEDF;
$base-200: #ECDDC1;
$base-300: #DAC295;
$base-400: #C5A66D;
$base-500: #A9884C;
$base-600: #826B40;
$base-700: #5D4E32;
$base-800: #3D3424;
$base-900: #262117;
$base-hover: #453415;
$base-subtle: #DBCBAB;

{
    "color": {
        "base": {
            "value": "#57421B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF9F3",
                "type": "color"
            },
            "100": {
                "value": "#F6EEDF",
                "type": "color"
            },
            "200": {
                "value": "#ECDDC1",
                "type": "color"
            },
            "300": {
                "value": "#DAC295",
                "type": "color"
            },
            "400": {
                "value": "#C5A66D",
                "type": "color"
            },
            "500": {
                "value": "#A9884C",
                "type": "color"
            },
            "600": {
                "value": "#826B40",
                "type": "color"
            },
            "700": {
                "value": "#5D4E32",
                "type": "color"
            },
            "800": {
                "value": "#3D3424",
                "type": "color"
            },
            "900": {
                "value": "#262117",
                "type": "color"
            }
        }
    }
}

Palettes built on #57421B

Color Lab

Pairs with #57421B

UI roles & guardrails

In real applications

Scales

Every model

Export