What color is #A4100D?

#A4100D is a dark, vivid brown. In RGB it is rgb(164, 16, 13), and in HSL hsl(1, 85%, 35%).

Is #A4100D accessible as text?

On white, #A4100D has a contrast ratio of 7.90:1 (passes WCAG AA for body text); on black it is 2.66:1 (fails). For text placed on #A4100D, use white for the best readability.

What is the closest Tailwind color to #A4100D?

The nearest Tailwind CSS token is red-800 (#9F0712).

What colors go well with #A4100D?

#A4100D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0DA3A5. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #A4100D below.

Is #A4100D good for buttons?

#A4100D works well for buttons and highlights, but use white text on #A4100D — black text only reaches 2.66:1, below the 4.5:1 needed for normal-size labels.

Is #A4100D the same as CSS brown?

No — #A4100D is not the CSS named color brown, but brown (#A52A2A) is the closest CSS named color.

#A4100D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #A4100D

Not just a swatch — here's how #A4100D works with other colors. Named schemes with #A4100D in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #A4100D Secondary #B76325 Accent #777743 Surface #F4EBDD Anchor #3B2A21

This palette keeps Cherry Red 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 #A4100D Anchor #3A2A21 Surface #F0E2D0 Accent #969664 Secondary #3C3833

Cherry Red 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 #A4100D Secondary #7B4927 Surface #EAD9C0 Accent #43503A Anchor #5A222E

Cherry Red 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 #A4100D Surface #F3E6D6 Anchor #5F2037 Accent #E6C2C1 Secondary #332B2D

Cherry Red 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 #A4100D Secondary #A2726A Support #9B9186 Ink #17140F

Cherry Red 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 Cherry Red carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #A4100D 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 97/100

Warm

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

Softness 32/100

Low

Firm and assertive — carries weight and contrast.

Depth 57/100

Moderate

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

Naturalness 52/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 56/100

Moderate

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

Brand distinctiveness 48/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 86/100

Very high

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

Surface fit 10/100

Very low

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

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #A4100D

For UI

For branding

For interior

For fashion

People also use #A4100D with

Medium Violet Red Ginger Dark Cyan 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 7.9:1. Use

Subtle surface Use #F2CACA for cards and hover fills. Tint 80

Avoid beside #A5420D — 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 #A4100D 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: #A4100D;
  --color-base-rgb: 164 16 13;
  --color-base-oklch: oklch(45.8% 0.179 28.7);
  --color-50: #FEF1F0;
  --color-100: #FDD9D8;
  --color-200: #F9B5B4;
  --color-300: #EE8381;
  --color-400: #DF5553;
  --color-500: #C53230;
  --color-600: #962E2C;
  --color-700: #6A2625;
  --color-800: #451D1C;
  --color-900: #2A1313;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  cherry-red: {
    50: '#FEF1F0',
    100: '#FDD9D8',
    200: '#F9B5B4',
    300: '#EE8381',
    400: '#DF5553',
    500: '#C53230',
    600: '#962E2C',
    700: '#6A2625',
    800: '#451D1C',
    900: '#2A1313',
  },
}

$base: #A4100D;
$base-ink: #FFFFFF;
$base-50: #FEF1F0;
$base-100: #FDD9D8;
$base-200: #F9B5B4;
$base-300: #EE8381;
$base-400: #DF5553;
$base-500: #C53230;
$base-600: #962E2C;
$base-700: #6A2625;
$base-800: #451D1C;
$base-900: #2A1313;
$base-hover: #840D0B;
$base-subtle: #EDAEAD;

{
    "color": {
        "base": {
            "value": "#A4100D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF1F0",
                "type": "color"
            },
            "100": {
                "value": "#FDD9D8",
                "type": "color"
            },
            "200": {
                "value": "#F9B5B4",
                "type": "color"
            },
            "300": {
                "value": "#EE8381",
                "type": "color"
            },
            "400": {
                "value": "#DF5553",
                "type": "color"
            },
            "500": {
                "value": "#C53230",
                "type": "color"
            },
            "600": {
                "value": "#962E2C",
                "type": "color"
            },
            "700": {
                "value": "#6A2625",
                "type": "color"
            },
            "800": {
                "value": "#451D1C",
                "type": "color"
            },
            "900": {
                "value": "#2A1313",
                "type": "color"
            }
        }
    }
}

Palettes built on #A4100D

Color Lab

Pairs with #A4100D

UI roles & guardrails

In real applications

Scales

Every model

Export