What color is #643F10?

#643F10 is a dark, vivid brown. In RGB it is rgb(100, 63, 16), and in HSL hsl(34, 72%, 23%).

Is #643F10 accessible as text?

On white, #643F10 has a contrast ratio of 9.29:1 (passes WCAG AA for body text); on black it is 2.26:1 (fails). For text placed on #643F10, use white for the best readability.

What is the closest Tailwind color to #643F10?

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

What colors go well with #643F10?

#643F10 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #103565. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #643F10 below.

Is #643F10 good for buttons?

#643F10 works well for buttons and highlights, but use white text on #643F10 — black text only reaches 2.26:1, below the 4.5:1 needed for normal-size labels.

Is #643F10 the same as CSS saddlebrown?

No — #643F10 is not the CSS named color saddlebrown, but saddlebrown (#8B4513) is the closest CSS named color.

#643F10 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #643F10

Not just a swatch — here's how #643F10 works with other colors. Named schemes with #643F10 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #643F10 Secondary #B4661A Accent #727945 Surface #F3ECDD Anchor #3B2A20

This palette keeps Sepia 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 #643F10 Anchor #3A2A20 Surface #EFE3D0 Accent #919867 Secondary #3B3833

Sepia 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 #643F10 Secondary #794A23 Surface #E9DAC0 Accent #41503C Anchor #5B222A

Sepia 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 #643F10 Surface #E1CFA8 Secondary #AF7B54 Accent #94986F Anchor #3E2C20

Sepia 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 #643F10 Secondary #7A6D5F Support #9A9186 Ink #17140F

Sepia 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 Sepia carrying the quiet middle.

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Color Lab

How #643F10 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 72/100

Warm

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

Softness 37/100

Low

Middle-weight — neither delicate nor heavy.

Depth 59/100

Moderate

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

Naturalness 93/100

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 64/100

High

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

Brand distinctiveness 21/100

Low

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

UI accent fit 65/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 35/100

Low

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #643F10

For UI

For branding

For interior

For fashion

People also use #643F10 with

Falu Red Dark Olive Green Yale 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 9.3:1. Use

Subtle surface Use #ECDAC3 for cards and hover fills. Tint 80

Avoid beside #655C10 — 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 #643F10 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: #643F10;
  --color-base-rgb: 100 63 16;
  --color-base-oklch: oklch(40.2% 0.079 67.7);
  --color-50: #FDF8F1;
  --color-100: #FAEDDB;
  --color-200: #F3DAB9;
  --color-300: #E6BE89;
  --color-400: #D5A15D;
  --color-500: #BA833B;
  --color-600: #8E6734;
  --color-700: #644B2A;
  --color-800: #42331F;
  --color-900: #282015;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sepia: {
    50: '#FDF8F1',
    100: '#FAEDDB',
    200: '#F3DAB9',
    300: '#E6BE89',
    400: '#D5A15D',
    500: '#BA833B',
    600: '#8E6734',
    700: '#644B2A',
    800: '#42331F',
    900: '#282015',
  },
}

$base: #643F10;
$base-ink: #FFFFFF;
$base-50: #FDF8F1;
$base-100: #FAEDDB;
$base-200: #F3DAB9;
$base-300: #E6BE89;
$base-400: #D5A15D;
$base-500: #BA833B;
$base-600: #8E6734;
$base-700: #644B2A;
$base-800: #42331F;
$base-900: #282015;
$base-hover: #51330D;
$base-subtle: #E4C8A4;

{
    "color": {
        "base": {
            "value": "#643F10",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDF8F1",
                "type": "color"
            },
            "100": {
                "value": "#FAEDDB",
                "type": "color"
            },
            "200": {
                "value": "#F3DAB9",
                "type": "color"
            },
            "300": {
                "value": "#E6BE89",
                "type": "color"
            },
            "400": {
                "value": "#D5A15D",
                "type": "color"
            },
            "500": {
                "value": "#BA833B",
                "type": "color"
            },
            "600": {
                "value": "#8E6734",
                "type": "color"
            },
            "700": {
                "value": "#644B2A",
                "type": "color"
            },
            "800": {
                "value": "#42331F",
                "type": "color"
            },
            "900": {
                "value": "#282015",
                "type": "color"
            }
        }
    }
}

Palettes built on #643F10

Color Lab

Pairs with #643F10

UI roles & guardrails

In real applications

Scales

Every model

Export