What color is #643F43?

#643F43 is a dark, muted red. In RGB it is rgb(100, 63, 67), and in HSL hsl(354, 23%, 32%).

Is #643F43 accessible as text?

On white, #643F43 has a contrast ratio of 9.00:1 (passes WCAG AA for body text); on black it is 2.33:1 (fails). For text placed on #643F43, use white for the best readability.

What is the closest Tailwind color to #643F43?

The nearest Tailwind CSS token is taupe-600 (#5B4F4B).

What colors go well with #643F43?

#643F43 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3F6461. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #643F43 below.

Is #643F43 good for buttons?

#643F43 works well for buttons and highlights, but use white text on #643F43 — black text only reaches 2.33:1, below the 4.5:1 needed for normal-size labels.

Is #643F43 the same as CSS darkslategray?

No — #643F43 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.

#643F43 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #643F43

Not just a swatch — here's how #643F43 works with other colors. Named schemes with #643F43 in its natural role, and a note on why the supporting colors balance it.

Modern Café Dominant · 5 colors

Dominant #643F43 Anchor #3A2A21 Surface #F1E2D1 Accent #989664 Secondary #3C3833

Eggplant 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 #643F43 Secondary #7C4829 Surface #EBD9C1 Accent #444F39 Anchor #5A222F

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

Warm Autumn Interior Dominant · 5 colors

Dominant #643F43 Secondary #B86229 Accent #797642 Surface #F5EBDD Anchor #3B2A21

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

Japanese Sand Base · 5 colors

Base #643F43 Surface #F0E8DC Highlight #F7F1E7 Secondary #BBAEA0 Ink #2B2723

Eggplant 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 #643F43 Secondary #7C6E6F Support #9B9087 Ink #17140F

Eggplant 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 Eggplant carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #643F43 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 62/100

Warm

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

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 56/100

Moderate

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

Naturalness 37/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 61/100

High

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

Luxury 61/100

High

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

Brand distinctiveness 20/100

Low

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

UI accent fit 57/100

Moderate

Workable accent with care around contrast.

Surface fit 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #643F43

For UI

For branding

For interior

For fashion

People also use #643F43 with

Plum Umber Feldgrau Gainsboro 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 9.0:1. Use

Subtle surface Use #E2D7D8 for cards and hover fills. Tint 80

Avoid beside #64483F — 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 #643F43 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: #643F43;
  --color-base-rgb: 100 63 67;
  --color-base-oklch: oklch(41.2% 0.052 12.5);
  --color-50: #F9F5F6;
  --color-100: #F0E6E7;
  --color-200: #E0CDCF;
  --color-300: #C6A9AC;
  --color-400: #AC868A;
  --color-500: #8F666A;
  --color-600: #6F5355;
  --color-700: #513E40;
  --color-800: #362B2C;
  --color-900: #221B1C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  eggplant: {
    50: '#F9F5F6',
    100: '#F0E6E7',
    200: '#E0CDCF',
    300: '#C6A9AC',
    400: '#AC868A',
    500: '#8F666A',
    600: '#6F5355',
    700: '#513E40',
    800: '#362B2C',
    900: '#221B1C',
  },
}

$base: #643F43;
$base-ink: #FFFFFF;
$base-50: #F9F5F6;
$base-100: #F0E6E7;
$base-200: #E0CDCF;
$base-300: #C6A9AC;
$base-400: #AC868A;
$base-500: #8F666A;
$base-600: #6F5355;
$base-700: #513E40;
$base-800: #362B2C;
$base-900: #221B1C;
$base-hover: #503235;
$base-subtle: #D4C2C4;

{
    "color": {
        "base": {
            "value": "#643F43",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F5F6",
                "type": "color"
            },
            "100": {
                "value": "#F0E6E7",
                "type": "color"
            },
            "200": {
                "value": "#E0CDCF",
                "type": "color"
            },
            "300": {
                "value": "#C6A9AC",
                "type": "color"
            },
            "400": {
                "value": "#AC868A",
                "type": "color"
            },
            "500": {
                "value": "#8F666A",
                "type": "color"
            },
            "600": {
                "value": "#6F5355",
                "type": "color"
            },
            "700": {
                "value": "#513E40",
                "type": "color"
            },
            "800": {
                "value": "#362B2C",
                "type": "color"
            },
            "900": {
                "value": "#221B1C",
                "type": "color"
            }
        }
    }
}

Palettes built on #643F43

Color Lab

Pairs with #643F43

UI roles & guardrails

In real applications

Scales

Every model

Export