What color is #AA1837?

#AA1837 is a dark, vivid rose. In RGB it is rgb(170, 24, 55), and in HSL hsl(347, 75%, 38%).

Is #AA1837 accessible as text?

On white, #AA1837 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 #AA1837, use white for the best readability.

What is the closest Tailwind color to #AA1837?

The nearest Tailwind CSS token is rose-800 (#A50036).

What colors go well with #AA1837?

#AA1837 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #18AA8A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #AA1837 below.

Is #AA1837 good for buttons?

#AA1837 works well for buttons and highlights, but use white text on #AA1837 — black text only reaches 2.90:1, below the 4.5:1 needed for normal-size labels.

Is #AA1837 the same as CSS brown?

No — #AA1837 is not the CSS named color brown, but brown (#A52A2A) 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.

#AA1837 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #AA1837

Not just a swatch — here's how #AA1837 works with other colors. Named schemes with #AA1837 in its natural role, and a note on why the supporting colors balance it.

Modern Café Dominant · 5 colors

Dominant #AA1837 Anchor #3A2A21 Surface #F1E2D0 Accent #979664 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 #AA1837 Secondary #7C4828 Surface #EAD9C0 Accent #434F3A Anchor #5A222F

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.

Warm Autumn Interior Dominant · 5 colors

Dominant #AA1837 Secondary #B86228 Accent #797742 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.

Berry & Cream Lead · 5 colors

Lead #AA1837 Surface #F3E6D6 Anchor #5F2038 Accent #E6C2C2 Secondary #332B2E

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 #AA1837 Secondary #A87778 Support #9B9087 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.

Build a working theme in the generator →

Color Lab

How #AA1837 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 92/100

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 38/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 55/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 48/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 90/100

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 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #AA1837

For UI

For branding

For interior

For fashion

People also use #AA1837 with

Byzantine Sienna Persian Green 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 7.3:1. Use

Subtle surface Use #F0CED6 for cards and hover fills. Tint 80

Avoid beside #AA2918 — 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 #AA1837 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: #AA1837;
  --color-base-rgb: 170 24 55;
  --color-base-oklch: oklch(47.8% 0.177 17.0);
  --color-50: #FEF1F4;
  --color-100: #FBDAE1;
  --color-200: #F5B8C5;
  --color-300: #E8879C;
  --color-400: #D75B76;
  --color-500: #BC3855;
  --color-600: #903246;
  --color-700: #662936;
  --color-800: #421E26;
  --color-900: #291419;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  firebrick: {
    50: '#FEF1F4',
    100: '#FBDAE1',
    200: '#F5B8C5',
    300: '#E8879C',
    400: '#D75B76',
    500: '#BC3855',
    600: '#903246',
    700: '#662936',
    800: '#421E26',
    900: '#291419',
  },
}

$base: #AA1837;
$base-ink: #FFFFFF;
$base-50: #FEF1F4;
$base-100: #FBDAE1;
$base-200: #F5B8C5;
$base-300: #E8879C;
$base-400: #D75B76;
$base-500: #BC3855;
$base-600: #903246;
$base-700: #662936;
$base-800: #421E26;
$base-900: #291419;
$base-hover: #88132D;
$base-subtle: #EBB5C0;

{
    "color": {
        "base": {
            "value": "#AA1837",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF1F4",
                "type": "color"
            },
            "100": {
                "value": "#FBDAE1",
                "type": "color"
            },
            "200": {
                "value": "#F5B8C5",
                "type": "color"
            },
            "300": {
                "value": "#E8879C",
                "type": "color"
            },
            "400": {
                "value": "#D75B76",
                "type": "color"
            },
            "500": {
                "value": "#BC3855",
                "type": "color"
            },
            "600": {
                "value": "#903246",
                "type": "color"
            },
            "700": {
                "value": "#662936",
                "type": "color"
            },
            "800": {
                "value": "#421E26",
                "type": "color"
            },
            "900": {
                "value": "#291419",
                "type": "color"
            }
        }
    }
}

Palettes built on #AA1837

Color Lab

Pairs with #AA1837

UI roles & guardrails

In real applications

Scales

Every model

Export