What color is #AC1815?

#AC1815 is a dark, vivid brown. In RGB it is rgb(172, 24, 21), and in HSL hsl(1, 78%, 38%).

Is #AC1815 accessible as text?

On white, #AC1815 has a contrast ratio of 7.25:1 (passes WCAG AA for body text); on black it is 2.90:1 (fails). For text placed on #AC1815, use white for the best readability.

What is the closest Tailwind color to #AC1815?

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

What colors go well with #AC1815?

#AC1815 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #15AAAC. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #AC1815 below.

Is #AC1815 good for buttons?

#AC1815 works well for buttons and highlights, but use white text on #AC1815 — black text only reaches 2.90:1, below the 4.5:1 needed for normal-size labels.

Is #AC1815 the same as CSS firebrick?

No — #AC1815 is not the CSS named color firebrick, but firebrick (#B22222) is the closest CSS named color.

#AC1815 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #AC1815

Not just a swatch — here's how #AC1815 works with other colors. Named schemes with #AC1815 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #AC1815 Secondary #B76325 Accent #777743 Surface #F4EBDD Anchor #3B2A21

This palette keeps Firebrick 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 #AC1815 Anchor #3A2A21 Surface #F0E2D0 Accent #969664 Secondary #3C3833

Firebrick 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 #AC1815 Secondary #7B4927 Surface #EAD9C0 Accent #43503A Anchor #5A222E

Firebrick 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 #AC1815 Surface #F3E6D6 Anchor #5F2037 Accent #E6C2C1 Secondary #332B2D

Firebrick 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 #AC1815 Secondary #A97770 Support #9B9186 Ink #17140F

Firebrick 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 Firebrick carrying the quiet middle.

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Color Lab

How #AC1815 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 96/100

Warm

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 55/100

Moderate

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

Naturalness 49/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 89/100

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 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #AC1815

For UI

For branding

For interior

For fashion

People also use #AC1815 with

Medium Violet Red Ginger Persian Green 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 7.3:1. Use

Subtle surface Use #F1CECE for cards and hover fills. Tint 80

Avoid beside #AC4A15 — 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 #AC1815 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: #AC1815;
  --color-base-rgb: 172 24 21;
  --color-base-oklch: oklch(47.8% 0.182 28.3);
  --color-50: #FEF1F1;
  --color-100: #FBDADA;
  --color-200: #F6B8B6;
  --color-300: #EA8785;
  --color-400: #DA5B58;
  --color-500: #BF3836;
  --color-600: #913230;
  --color-700: #672928;
  --color-800: #431E1E;
  --color-900: #291414;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  firebrick: {
    50: '#FEF1F1',
    100: '#FBDADA',
    200: '#F6B8B6',
    300: '#EA8785',
    400: '#DA5B58',
    500: '#BF3836',
    600: '#913230',
    700: '#672928',
    800: '#431E1E',
    900: '#291414',
  },
}

$base: #AC1815;
$base-ink: #FFFFFF;
$base-50: #FEF1F1;
$base-100: #FBDADA;
$base-200: #F6B8B6;
$base-300: #EA8785;
$base-400: #DA5B58;
$base-500: #BF3836;
$base-600: #913230;
$base-700: #672928;
$base-800: #431E1E;
$base-900: #291414;
$base-hover: #8A1311;
$base-subtle: #ECB4B3;

{
    "color": {
        "base": {
            "value": "#AC1815",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF1F1",
                "type": "color"
            },
            "100": {
                "value": "#FBDADA",
                "type": "color"
            },
            "200": {
                "value": "#F6B8B6",
                "type": "color"
            },
            "300": {
                "value": "#EA8785",
                "type": "color"
            },
            "400": {
                "value": "#DA5B58",
                "type": "color"
            },
            "500": {
                "value": "#BF3836",
                "type": "color"
            },
            "600": {
                "value": "#913230",
                "type": "color"
            },
            "700": {
                "value": "#672928",
                "type": "color"
            },
            "800": {
                "value": "#431E1E",
                "type": "color"
            },
            "900": {
                "value": "#291414",
                "type": "color"
            }
        }
    }
}

Palettes built on #AC1815

Color Lab

Pairs with #AC1815

UI roles & guardrails

In real applications

Scales

Every model

Export