What color is #423009?

#423009 is a very dark, vivid brown. In RGB it is rgb(66, 48, 9), and in HSL hsl(41, 76%, 15%).

Is #423009 accessible as text?

On white, #423009 has a contrast ratio of 12.66:1 (passes WCAG AA for body text); on black it is 1.66:1 (fails). For text placed on #423009, use white for the best readability.

What is the closest Tailwind color to #423009?

The nearest Tailwind CSS token is yellow-950 (#432004).

What colors go well with #423009?

#423009 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #091C43. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #423009 below.

Is #423009 good for buttons?

#423009 works well for buttons and highlights, but use white text on #423009 — black text only reaches 1.66:1, below the 4.5:1 needed for normal-size labels.

Is #423009 the same as CSS darkslategray?

No — #423009 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.

#423009 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #423009

Not just a swatch — here's how #423009 works with other colors. Named schemes with #423009 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #423009 Secondary #B36714 Accent #707946 Surface #F3ECDD Anchor #3B2A1F

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 #423009 Secondary #794B21 Surface #E8DAC0 Accent #40503D Anchor #5B2228

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 #423009 Surface #E0CFA8 Secondary #AE7B52 Accent #929970 Anchor #3E2C1F

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 #423009 Surface #EFE9DC Highlight #F6F1E7 Secondary #B9AF9F 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 #423009 Secondary #5E584C 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.

Build a working theme in the generator →

Color Lab

How #423009 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 65/100

Warm

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

Softness 32/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

High

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

Naturalness 80/100

High

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

Vintage feel 53/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 69/100

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 36/100

Low

Workable accent with care around contrast.

Surface fit 46/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #423009

For UI

For branding

For interior

For fashion

People also use #423009 with

Rosewood British Racing Green Navy Greige Army Green

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 12.7:1. Use

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

Avoid beside #424309 — 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 #423009 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: #423009;
  --color-base-rgb: 66 48 9;
  --color-base-oklch: oklch(32.2% 0.059 82.5);
  --color-50: #FEFAF1;
  --color-100: #FBF1DA;
  --color-200: #F5E2B7;
  --color-300: #E9CA87;
  --color-400: #D8B05A;
  --color-500: #BD9337;
  --color-600: #907232;
  --color-700: #665329;
  --color-800: #43371E;
  --color-900: #292214;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  espresso: {
    50: '#FEFAF1',
    100: '#FBF1DA',
    200: '#F5E2B7',
    300: '#E9CA87',
    400: '#D8B05A',
    500: '#BD9337',
    600: '#907232',
    700: '#665329',
    800: '#43371E',
    900: '#292214',
  },
}

$base: #423009;
$base-ink: #FFFFFF;
$base-50: #FEFAF1;
$base-100: #FBF1DA;
$base-200: #F5E2B7;
$base-300: #E9CA87;
$base-400: #D8B05A;
$base-500: #BD9337;
$base-600: #907232;
$base-700: #665329;
$base-800: #43371E;
$base-900: #292214;
$base-hover: #362707;
$base-subtle: #E4CC98;

{
    "color": {
        "base": {
            "value": "#423009",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEFAF1",
                "type": "color"
            },
            "100": {
                "value": "#FBF1DA",
                "type": "color"
            },
            "200": {
                "value": "#F5E2B7",
                "type": "color"
            },
            "300": {
                "value": "#E9CA87",
                "type": "color"
            },
            "400": {
                "value": "#D8B05A",
                "type": "color"
            },
            "500": {
                "value": "#BD9337",
                "type": "color"
            },
            "600": {
                "value": "#907232",
                "type": "color"
            },
            "700": {
                "value": "#665329",
                "type": "color"
            },
            "800": {
                "value": "#43371E",
                "type": "color"
            },
            "900": {
                "value": "#292214",
                "type": "color"
            }
        }
    }
}

Palettes built on #423009

Color Lab

Pairs with #423009

UI roles & guardrails

In real applications

Scales

Every model

Export