What color is #643109?

#643109 is a dark, vivid brown. In RGB it is rgb(100, 49, 9), and in HSL hsl(26, 83%, 21%).

Is #643109 accessible as text?

On white, #643109 has a contrast ratio of 10.58:1 (passes WCAG AA for body text); on black it is 1.99:1 (fails). For text placed on #643109, use white for the best readability.

What is the closest Tailwind color to #643109?

The nearest Tailwind CSS token is yellow-900 (#733E0A).

What colors go well with #643109?

#643109 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #093B62. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #643109 below.

Is #643109 good for buttons?

#643109 works well for buttons and highlights, but use white text on #643109 — black text only reaches 1.99:1, below the 4.5:1 needed for normal-size labels.

Is #643109 the same as CSS maroon?

No — #643109 is not the CSS named color maroon, but maroon (#800000) 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.

#643109 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #643109

Not just a swatch — here's how #643109 works with other colors. Named schemes with #643109 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #643109 Secondary #B5651E Accent #747844 Surface #F4ECDD Anchor #3B2A20

This palette keeps Espresso 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 #643109 Secondary #7A4A24 Surface #E9DAC0 Accent #41503B Anchor #5B222B

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 #643109 Surface #E2CEA8 Secondary #B07A55 Accent #95986E Anchor #3E2C20

Espresso 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 #643109 Surface #F0E9DC Highlight #F6F1E7 Secondary #BAAF9F Ink #2B2723

Espresso 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 #643109 Secondary #766357 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.

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Color Lab

How #643109 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 76/100

Warm

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

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

Naturalness 100/100

Very high

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

Vintage feel 73/100

High

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

Luxury 67/100

High

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

Brand distinctiveness 34/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 59/100

Moderate

Workable accent with care around contrast.

Surface fit 34/100

Low

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #643109

For UI

For branding

For interior

For fashion

People also use #643109 with

Falu Red Dark Olive Green Prussian Blue Greige Taupe

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 10.6:1. Use

Subtle surface Use #EFD3BF for cards and hover fills. Tint 80

Avoid beside #624D09 — 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 #643109 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: #643109;
  --color-base-rgb: 100 49 9;
  --color-base-oklch: oklch(37.4% 0.088 52.7);
  --color-50: #FEF6F0;
  --color-100: #FDE8D9;
  --color-200: #F8D2B4;
  --color-300: #EDB082;
  --color-400: #DE9054;
  --color-500: #C37131;
  --color-600: #955A2D;
  --color-700: #694326;
  --color-800: #442E1C;
  --color-900: #2A1D13;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  espresso: {
    50: '#FEF6F0',
    100: '#FDE8D9',
    200: '#F8D2B4',
    300: '#EDB082',
    400: '#DE9054',
    500: '#C37131',
    600: '#955A2D',
    700: '#694326',
    800: '#442E1C',
    900: '#2A1D13',
  },
}

$base: #643109;
$base-ink: #FFFFFF;
$base-50: #FEF6F0;
$base-100: #FDE8D9;
$base-200: #F8D2B4;
$base-300: #EDB082;
$base-400: #DE9054;
$base-500: #C37131;
$base-600: #955A2D;
$base-700: #694326;
$base-800: #442E1C;
$base-900: #2A1D13;
$base-hover: #4E2607;
$base-subtle: #E9BD9C;

{
    "color": {
        "base": {
            "value": "#643109",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF6F0",
                "type": "color"
            },
            "100": {
                "value": "#FDE8D9",
                "type": "color"
            },
            "200": {
                "value": "#F8D2B4",
                "type": "color"
            },
            "300": {
                "value": "#EDB082",
                "type": "color"
            },
            "400": {
                "value": "#DE9054",
                "type": "color"
            },
            "500": {
                "value": "#C37131",
                "type": "color"
            },
            "600": {
                "value": "#955A2D",
                "type": "color"
            },
            "700": {
                "value": "#694326",
                "type": "color"
            },
            "800": {
                "value": "#442E1C",
                "type": "color"
            },
            "900": {
                "value": "#2A1D13",
                "type": "color"
            }
        }
    }
}

Palettes built on #643109

Color Lab

Pairs with #643109

UI roles & guardrails

In real applications

Scales

Every model

Export