What color is #A03318?

#A03318 is a dark, vivid brown. In RGB it is rgb(160, 51, 24), and in HSL hsl(12, 74%, 36%).

Is #A03318 accessible as text?

On white, #A03318 has a contrast ratio of 7.04:1 (passes WCAG AA for body text); on black it is 2.98:1 (fails). For text placed on #A03318, use white for the best readability.

What is the closest Tailwind color to #A03318?

The nearest Tailwind CSS token is orange-800 (#9F2D00).

What colors go well with #A03318?

#A03318 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1885A0. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #A03318 below.

Is #A03318 good for buttons?

#A03318 works well for buttons and highlights, but use white text on #A03318 — black text only reaches 2.98:1, below the 4.5:1 needed for normal-size labels.

Is #A03318 the same as CSS brown?

No — #A03318 is not the CSS named color brown, but brown (#A52A2A) is the closest CSS named color.

#A03318 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #A03318

Not just a swatch — here's how #A03318 works with other colors. Named schemes with #A03318 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #A03318 Secondary #B76323 Accent #777743 Surface #F4ECDD Anchor #3B2A20

This palette keeps Chestnut 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 #A03318 Anchor #3A2A20 Surface #F0E2D0 Accent #959665 Secondary #3B3833

Chestnut 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 #A03318 Secondary #7B4926 Surface #EAD9C0 Accent #42503A Anchor #5A222D

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

Berry & Cream Lead · 5 colors

Lead #A03318 Surface #F3E7D6 Anchor #5F2036 Accent #E6C2C1 Secondary #332B2D

Chestnut sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #A03318 Secondary #A37B71 Support #9B9186 Ink #17140F

Chestnut 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 Chestnut carrying the quiet middle.

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Color Lab

How #A03318 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 93/100

Warm

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

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 54/100

Moderate

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

Naturalness 90/100

Very high

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

Vintage feel 60/100

Moderate

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

Luxury 57/100

Moderate

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

Brand distinctiveness 40/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 95/100

Very high

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

Surface fit 9/100

Very low

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

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #A03318

For UI

For branding

For interior

For fashion

People also use #A03318 with

Viva Magenta Dark Goldenrod Teal Blue 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 7.0:1. Use

Subtle surface Use #F0D4CD for cards and hover fills. Tint 80

Avoid beside #A06018 — 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 #A03318 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: #A03318;
  --color-base-rgb: 160 51 24;
  --color-base-oklch: oklch(47.9% 0.149 34.7);
  --color-50: #FEF4F1;
  --color-100: #FBE1DB;
  --color-200: #F4C4B8;
  --color-300: #E79B88;
  --color-400: #D6745C;
  --color-500: #BC5339;
  --color-600: #8F4533;
  --color-700: #65352A;
  --color-800: #42261F;
  --color-900: #291915;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  chestnut: {
    50: '#FEF4F1',
    100: '#FBE1DB',
    200: '#F4C4B8',
    300: '#E79B88',
    400: '#D6745C',
    500: '#BC5339',
    600: '#8F4533',
    700: '#65352A',
    800: '#42261F',
    900: '#291915',
  },
}

$base: #A03318;
$base-ink: #FFFFFF;
$base-50: #FEF4F1;
$base-100: #FBE1DB;
$base-200: #F4C4B8;
$base-300: #E79B88;
$base-400: #D6745C;
$base-500: #BC5339;
$base-600: #8F4533;
$base-700: #65352A;
$base-800: #42261F;
$base-900: #291915;
$base-hover: #802913;
$base-subtle: #EABEB3;

{
    "color": {
        "base": {
            "value": "#A03318",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF4F1",
                "type": "color"
            },
            "100": {
                "value": "#FBE1DB",
                "type": "color"
            },
            "200": {
                "value": "#F4C4B8",
                "type": "color"
            },
            "300": {
                "value": "#E79B88",
                "type": "color"
            },
            "400": {
                "value": "#D6745C",
                "type": "color"
            },
            "500": {
                "value": "#BC5339",
                "type": "color"
            },
            "600": {
                "value": "#8F4533",
                "type": "color"
            },
            "700": {
                "value": "#65352A",
                "type": "color"
            },
            "800": {
                "value": "#42261F",
                "type": "color"
            },
            "900": {
                "value": "#291915",
                "type": "color"
            }
        }
    }
}

Palettes built on #A03318

Color Lab

Pairs with #A03318

UI roles & guardrails

In real applications

Scales

Every model

Export