What color is #B91C31?

#B91C31 is a medium, vivid red. In RGB it is rgb(185, 28, 49), and in HSL hsl(352, 74%, 42%).

Is #B91C31 accessible as text?

On white, #B91C31 has a contrast ratio of 6.42:1 (passes WCAG AA for body text); on black it is 3.27:1 (fails). For text placed on #B91C31, use white for the best readability.

What is the closest Tailwind color to #B91C31?

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

What colors go well with #B91C31?

#B91C31 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1CBAA5. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B91C31 below.

Is #B91C31 good for buttons?

#B91C31 works well for buttons and highlights, but use white text on #B91C31 — black text only reaches 3.27:1, below the 4.5:1 needed for normal-size labels.

Is #B91C31 the same as CSS firebrick?

No — #B91C31 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.

#B91C31 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B91C31

Not just a swatch — here's how #B91C31 works with other colors. Named schemes with #B91C31 in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #B91C31 Secondary #E76E55 Accent #EB9B36 Anchor #5C3951 Surface #F5E8D6

Firebrick glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Modern Café Dominant · 5 colors

Dominant #B91C31 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 #B91C31 Secondary #7C4928 Surface #EAD9C0 Accent #43503A 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.

Berry & Cream Lead · 5 colors

Lead #B91C31 Surface #F3E6D6 Anchor #5F2037 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 #B91C31 Secondary #B47F7D 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 #B91C31 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 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 52/100

Moderate

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

Naturalness 35/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 73/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 90/100

Very high

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

Surface fit 8/100

Very low

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

Print safety 80/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #B91C31

For UI

For branding

For interior

For fashion

People also use #B91C31 with

Byzantine Ginger Light Sea Green Gainsboro Taupe

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 6.4:1. Use

Subtle surface Use #F1D2D6 for cards and hover fills. Tint 80

Avoid beside #BA3C1C — 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 #B91C31 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: #B91C31;
  --color-base-rgb: 185 28 49;
  --color-base-oklch: oklch(50.8% 0.189 21.5);
  --color-50: #FEF1F3;
  --color-100: #FBDBDF;
  --color-200: #F4B8C0;
  --color-300: #E78895;
  --color-400: #D65C6C;
  --color-500: #BC394B;
  --color-600: #8F333F;
  --color-700: #652A31;
  --color-800: #421F23;
  --color-900: #291517;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  firebrick: {
    50: '#FEF1F3',
    100: '#FBDBDF',
    200: '#F4B8C0',
    300: '#E78895',
    400: '#D65C6C',
    500: '#BC394B',
    600: '#8F333F',
    700: '#652A31',
    800: '#421F23',
    900: '#291517',
  },
}

$base: #B91C31;
$base-ink: #FFFFFF;
$base-50: #FEF1F3;
$base-100: #FBDBDF;
$base-200: #F4B8C0;
$base-300: #E78895;
$base-400: #D65C6C;
$base-500: #BC394B;
$base-600: #8F333F;
$base-700: #652A31;
$base-800: #421F23;
$base-900: #291517;
$base-hover: #951627;
$base-subtle: #ECBAC0;

{
    "color": {
        "base": {
            "value": "#B91C31",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF1F3",
                "type": "color"
            },
            "100": {
                "value": "#FBDBDF",
                "type": "color"
            },
            "200": {
                "value": "#F4B8C0",
                "type": "color"
            },
            "300": {
                "value": "#E78895",
                "type": "color"
            },
            "400": {
                "value": "#D65C6C",
                "type": "color"
            },
            "500": {
                "value": "#BC394B",
                "type": "color"
            },
            "600": {
                "value": "#8F333F",
                "type": "color"
            },
            "700": {
                "value": "#652A31",
                "type": "color"
            },
            "800": {
                "value": "#421F23",
                "type": "color"
            },
            "900": {
                "value": "#291517",
                "type": "color"
            }
        }
    }
}

Palettes built on #B91C31

Color Lab

Pairs with #B91C31

UI roles & guardrails

In real applications

Scales

Every model

Export