What color is #640D0B?

#640D0B is a dark, vivid reddish brown. In RGB it is rgb(100, 13, 11), and in HSL hsl(1, 80%, 22%).

Is #640D0B accessible as text?

On white, #640D0B has a contrast ratio of 13.09:1 (passes WCAG AA for body text); on black it is 1.60:1 (fails). For text placed on #640D0B, use white for the best readability.

What is the closest Tailwind color to #640D0B?

The nearest Tailwind CSS token is pink-950 (#510424).

What colors go well with #640D0B?

#640D0B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0B6365. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #640D0B below.

Is #640D0B good for buttons?

#640D0B works well for buttons and highlights, but use white text on #640D0B — black text only reaches 1.60:1, below the 4.5:1 needed for normal-size labels.

Is #640D0B the same as CSS maroon?

No — #640D0B 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.

#640D0B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #640D0B

Not just a swatch — here's how #640D0B works with other colors. Named schemes with #640D0B in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #640D0B Secondary #B76325 Accent #777743 Surface #F4EBDD Anchor #3B2A21

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

Luxury Packaging Feature · 5 colors

Feature #640D0B Anchor #141210 Accent #D09E4D Secondary #322523 Surface #F3EDE3

Rosewood 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.

Vintage Leather Lead · 5 colors

Lead #640D0B Secondary #7B4927 Surface #EAD9C0 Accent #43503A Anchor #5A222E

Rosewood plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Moody Editorial Color · 5 colors

Color #640D0B Anchor #2B2A2E Secondary #6F6E73 Surface #EDE6DA Accent #330300

Rosewood adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Rosewood.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #640D0B Secondary #6F514D Support #9B9186 Ink #17140F

Rosewood 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 Rosewood carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #640D0B 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 83/100

Warm

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 97/100

Very high

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

Vintage feel 54/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 72/100

High

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

Brand distinctiveness 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 48/100

Moderate

Workable accent with care around contrast.

Surface fit 27/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #640D0B

For UI

For branding

For interior

For fashion

People also use #640D0B with

Cranberry Sepia Dark Slate Gray 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 13.1:1. Use

Subtle surface Use #EEC1C0 for cards and hover fills. Tint 80

Avoid beside #652B0B — 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 #640D0B at work across the surfaces designers actually ship.

Website / UI

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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: #640D0B;
  --color-base-rgb: 100 13 11;
  --color-base-oklch: oklch(32.6% 0.120 27.9);
  --color-50: #FEF1F1;
  --color-100: #FCDAD9;
  --color-200: #F7B7B6;
  --color-300: #EB8684;
  --color-400: #DB5957;
  --color-500: #C13634;
  --color-600: #93312F;
  --color-700: #682827;
  --color-800: #441E1D;
  --color-900: #291414;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  rosewood: {
    50: '#FEF1F1',
    100: '#FCDAD9',
    200: '#F7B7B6',
    300: '#EB8684',
    400: '#DB5957',
    500: '#C13634',
    600: '#93312F',
    700: '#682827',
    800: '#441E1D',
    900: '#291414',
  },
}

$base: #640D0B;
$base-ink: #FFFFFF;
$base-50: #FEF1F1;
$base-100: #FCDAD9;
$base-200: #F7B7B6;
$base-300: #EB8684;
$base-400: #DB5957;
$base-500: #C13634;
$base-600: #93312F;
$base-700: #682827;
$base-800: #441E1D;
$base-900: #291414;
$base-hover: #510A09;
$base-subtle: #E8A09F;

{
    "color": {
        "base": {
            "value": "#640D0B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF1F1",
                "type": "color"
            },
            "100": {
                "value": "#FCDAD9",
                "type": "color"
            },
            "200": {
                "value": "#F7B7B6",
                "type": "color"
            },
            "300": {
                "value": "#EB8684",
                "type": "color"
            },
            "400": {
                "value": "#DB5957",
                "type": "color"
            },
            "500": {
                "value": "#C13634",
                "type": "color"
            },
            "600": {
                "value": "#93312F",
                "type": "color"
            },
            "700": {
                "value": "#682827",
                "type": "color"
            },
            "800": {
                "value": "#441E1D",
                "type": "color"
            },
            "900": {
                "value": "#291414",
                "type": "color"
            }
        }
    }
}

Palettes built on #640D0B

Color Lab

Pairs with #640D0B

UI roles & guardrails

In real applications

Scales

Every model

Export