What color is #643B04?

#643B04 is a dark, vivid orange. In RGB it is rgb(100, 59, 4), and in HSL hsl(34, 92%, 20%).

Is #643B04 accessible as text?

On white, #643B04 has a contrast ratio of 9.68:1 (passes WCAG AA for body text); on black it is 2.17:1 (fails). For text placed on #643B04, use white for the best readability.

What is the closest Tailwind color to #643B04?

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

What colors go well with #643B04?

#643B04 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #042D62. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #643B04 below.

Is #643B04 good for buttons?

#643B04 works well for buttons and highlights, but use white text on #643B04 — black text only reaches 2.17:1, below the 4.5:1 needed for normal-size labels.

Is #643B04 the same as CSS saddlebrown?

No — #643B04 is not the CSS named color saddlebrown, but saddlebrown (#8B4513) 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.

#643B04 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #643B04

Not just a swatch — here's how #643B04 works with other colors. Named schemes with #643B04 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #643B04 Secondary #B4661A Accent #737945 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 #643B04 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 #643B04 Secondary #7A4A23 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 #643B04 Surface #E1CEA8 Secondary #AF7A54 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 #643B04 Secondary #796A5B 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.

Build a working theme in the generator →

Color Lab

How #643B04 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 74/100

Warm

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

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 60/100

Moderate

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

Naturalness 96/100

Very high

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

Vintage feel 74/100

High

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

Luxury 65/100

High

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

Brand distinctiveness 23/100

Low

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

UI accent fit 64/100

High

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

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 #643B04

For UI

For branding

For interior

For fashion

People also use #643B04 with

Dark 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 9.7:1. Use

Subtle surface Use #F1DABB for cards and hover fills. Tint 80

Avoid beside #625904 — 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 #643B04 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

A working theme, generated in seconds.

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: #643B04;
  --color-base-rgb: 100 59 4;
  --color-base-oklch: oklch(39.3% 0.085 66.1);
  --color-50: #FEF8F0;
  --color-100: #FDEDD8;
  --color-200: #FCDBB1;
  --color-300: #F3C07C;
  --color-400: #E5A34D;
  --color-500: #CB8529;
  --color-600: #9A6928;
  --color-700: #6D4C22;
  --color-800: #47331A;
  --color-900: #2B2012;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sepia: {
    50: '#FEF8F0',
    100: '#FDEDD8',
    200: '#FCDBB1',
    300: '#F3C07C',
    400: '#E5A34D',
    500: '#CB8529',
    600: '#9A6928',
    700: '#6D4C22',
    800: '#47331A',
    900: '#2B2012',
  },
}

$base: #643B04;
$base-ink: #FFFFFF;
$base-50: #FEF8F0;
$base-100: #FDEDD8;
$base-200: #FCDBB1;
$base-300: #F3C07C;
$base-400: #E5A34D;
$base-500: #CB8529;
$base-600: #9A6928;
$base-700: #6D4C22;
$base-800: #47331A;
$base-900: #2B2012;
$base-hover: #4E2E03;
$base-subtle: #EDC897;

{
    "color": {
        "base": {
            "value": "#643B04",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF8F0",
                "type": "color"
            },
            "100": {
                "value": "#FDEDD8",
                "type": "color"
            },
            "200": {
                "value": "#FCDBB1",
                "type": "color"
            },
            "300": {
                "value": "#F3C07C",
                "type": "color"
            },
            "400": {
                "value": "#E5A34D",
                "type": "color"
            },
            "500": {
                "value": "#CB8529",
                "type": "color"
            },
            "600": {
                "value": "#9A6928",
                "type": "color"
            },
            "700": {
                "value": "#6D4C22",
                "type": "color"
            },
            "800": {
                "value": "#47331A",
                "type": "color"
            },
            "900": {
                "value": "#2B2012",
                "type": "color"
            }
        }
    }
}

Palettes built on #643B04

Color Lab

Pairs with #643B04

UI roles & guardrails

In real applications

Scales

Every model

Export