What color is #BB3A40?

#BB3A40 is a medium red. In RGB it is rgb(187, 58, 64), and in HSL hsl(357, 53%, 48%).

Is #BB3A40 accessible as text?

On white, #BB3A40 has a contrast ratio of 5.54:1 (passes WCAG AA for body text); on black it is 3.79:1 (fails). For text placed on #BB3A40, use white for the best readability.

What is the closest Tailwind color to #BB3A40?

The nearest Tailwind CSS token is rose-700 (#C70036).

What colors go well with #BB3A40?

#BB3A40 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3ABBB5. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #BB3A40 below.

Is #BB3A40 good for buttons?

#BB3A40 works well for buttons and highlights, but use white text on #BB3A40 — black text only reaches 3.79:1, below the 4.5:1 needed for normal-size labels.

Is #BB3A40 the same as CSS firebrick?

No — #BB3A40 is not the CSS named color firebrick, but firebrick (#B22222) 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.

#BB3A40 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #BB3A40

Not just a swatch — here's how #BB3A40 works with other colors. Named schemes with #BB3A40 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #BB3A40 Secondary #B76327 Accent #787742 Surface #F4EBDD Anchor #3B2A21

This palette keeps Cardinal 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 #BB3A40 Anchor #3A2A21 Surface #F1E2D0 Accent #979664 Secondary #3C3833

Cardinal 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 #BB3A40 Secondary #7C4928 Surface #EAD9C0 Accent #43503A Anchor #5A222F

Cardinal 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 #BB3A40 Surface #F3E6D6 Anchor #5F2037 Accent #E6C2C2 Secondary #332B2E

Cardinal 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 #BB3A40 Secondary #B98A88 Support #9B9087 Ink #17140F

Cardinal 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 Cardinal carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #BB3A40 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 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 48/100

Moderate

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

Naturalness 56/100

Moderate

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

Vintage feel 56/100

Moderate

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

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 45/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 97/100

Very high

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

Surface fit 11/100

Very low

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

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #BB3A40

For UI

For branding

For interior

For fashion

People also use #BB3A40 with

Mulberry Copper Tiffany Blue Gainsboro Espresso

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 5.5:1. Use

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

Avoid beside #BB5E3A — 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 #BB3A40 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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: #BB3A40;
  --color-base-rgb: 187 58 64;
  --color-base-oklch: oklch(53.9% 0.165 22.1);
  --color-50: #FCF3F3;
  --color-100: #F6DFE0;
  --color-200: #ECC1C3;
  --color-300: #DA9599;
  --color-400: #C56D72;
  --color-500: #A94C50;
  --color-600: #824043;
  --color-700: #5D3234;
  --color-800: #3D2425;
  --color-900: #261718;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  cardinal: {
    50: '#FCF3F3',
    100: '#F6DFE0',
    200: '#ECC1C3',
    300: '#DA9599',
    400: '#C56D72',
    500: '#A94C50',
    600: '#824043',
    700: '#5D3234',
    800: '#3D2425',
    900: '#261718',
  },
}

$base: #BB3A40;
$base-ink: #FFFFFF;
$base-50: #FCF3F3;
$base-100: #F6DFE0;
$base-200: #ECC1C3;
$base-300: #DA9599;
$base-400: #C56D72;
$base-500: #A94C50;
$base-600: #824043;
$base-700: #5D3234;
$base-800: #3D2425;
$base-900: #261718;
$base-hover: #962E33;
$base-subtle: #E7C7C9;

{
    "color": {
        "base": {
            "value": "#BB3A40",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF3F3",
                "type": "color"
            },
            "100": {
                "value": "#F6DFE0",
                "type": "color"
            },
            "200": {
                "value": "#ECC1C3",
                "type": "color"
            },
            "300": {
                "value": "#DA9599",
                "type": "color"
            },
            "400": {
                "value": "#C56D72",
                "type": "color"
            },
            "500": {
                "value": "#A94C50",
                "type": "color"
            },
            "600": {
                "value": "#824043",
                "type": "color"
            },
            "700": {
                "value": "#5D3234",
                "type": "color"
            },
            "800": {
                "value": "#3D2425",
                "type": "color"
            },
            "900": {
                "value": "#261718",
                "type": "color"
            }
        }
    }
}

Palettes built on #BB3A40

Color Lab

Pairs with #BB3A40

UI roles & guardrails

In real applications

Scales

Every model

Export