What color is #BB303C?

#BB303C is a medium red. In RGB it is rgb(187, 48, 60), and in HSL hsl(355, 59%, 46%).

Is #BB303C accessible as text?

On white, #BB303C has a contrast ratio of 5.83:1 (passes WCAG AA for body text); on black it is 3.60:1 (fails). For text placed on #BB303C, use white for the best readability.

What is the closest Tailwind color to #BB303C?

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

What colors go well with #BB303C?

#BB303C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #30BBAF. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #BB303C below.

Is #BB303C good for buttons?

#BB303C works well for buttons and highlights, but use white text on #BB303C — black text only reaches 3.60:1, below the 4.5:1 needed for normal-size labels.

Is #BB303C the same as CSS firebrick?

No — #BB303C 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.

#BB303C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #BB303C

Not just a swatch — here's how #BB303C works with other colors. Named schemes with #BB303C in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #BB303C 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 #BB303C 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 #BB303C 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 #BB303C 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 #BB303C Secondary #B88684 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 #BB303C 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 94/100

Warm

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

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 50/100

Moderate

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

Naturalness 46/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 47/100

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 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 #BB303C

For UI

For branding

For interior

For fashion

People also use #BB303C 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 5.8:1. Use

Subtle surface Use #EFD8DA for cards and hover fills. Tint 80

Avoid beside #BB5330 — 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 #BB303C 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: #BB303C;
  --color-base-rgb: 187 48 60;
  --color-base-oklch: oklch(52.8% 0.175 21.2);
  --color-50: #FCF2F3;
  --color-100: #F7DEE0;
  --color-200: #EEBEC2;
  --color-300: #DE9298;
  --color-400: #CA6870;
  --color-500: #AE464F;
  --color-600: #863C42;
  --color-700: #5F3034;
  --color-800: #3F2225;
  --color-900: #271718;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  cardinal: {
    50: '#FCF2F3',
    100: '#F7DEE0',
    200: '#EEBEC2',
    300: '#DE9298',
    400: '#CA6870',
    500: '#AE464F',
    600: '#863C42',
    700: '#5F3034',
    800: '#3F2225',
    900: '#271718',
  },
}

$base: #BB303C;
$base-ink: #FFFFFF;
$base-50: #FCF2F3;
$base-100: #F7DEE0;
$base-200: #EEBEC2;
$base-300: #DE9298;
$base-400: #CA6870;
$base-500: #AE464F;
$base-600: #863C42;
$base-700: #5F3034;
$base-800: #3F2225;
$base-900: #271718;
$base-hover: #952630;
$base-subtle: #E8C3C6;

{
    "color": {
        "base": {
            "value": "#BB303C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF2F3",
                "type": "color"
            },
            "100": {
                "value": "#F7DEE0",
                "type": "color"
            },
            "200": {
                "value": "#EEBEC2",
                "type": "color"
            },
            "300": {
                "value": "#DE9298",
                "type": "color"
            },
            "400": {
                "value": "#CA6870",
                "type": "color"
            },
            "500": {
                "value": "#AE464F",
                "type": "color"
            },
            "600": {
                "value": "#863C42",
                "type": "color"
            },
            "700": {
                "value": "#5F3034",
                "type": "color"
            },
            "800": {
                "value": "#3F2225",
                "type": "color"
            },
            "900": {
                "value": "#271718",
                "type": "color"
            }
        }
    }
}

Palettes built on #BB303C

Color Lab

Pairs with #BB303C

UI roles & guardrails

In real applications

Scales

Every model

Export