What color is #B03323?

#B03323 is a medium brown. In RGB it is rgb(176, 51, 35), and in HSL hsl(7, 67%, 41%).

Is #B03323 accessible as text?

On white, #B03323 has a contrast ratio of 6.28:1 (passes WCAG AA for body text); on black it is 3.34:1 (fails). For text placed on #B03323, use white for the best readability.

What is the closest Tailwind color to #B03323?

The nearest Tailwind CSS token is orange-800 (#9F2D00).

What colors go well with #B03323?

#B03323 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #239EAF. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B03323 below.

Is #B03323 good for buttons?

#B03323 works well for buttons and highlights, but use white text on #B03323 — black text only reaches 3.34:1, below the 4.5:1 needed for normal-size labels.

Is #B03323 the same as CSS firebrick?

No — #B03323 is not the CSS named color firebrick, but firebrick (#B22222) is the closest CSS named color.

#B03323 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B03323

Not just a swatch — here's how #B03323 works with other colors. Named schemes with #B03323 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #B03323 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 #B03323 Anchor #3A2A21 Surface #F0E2D0 Accent #969665 Secondary #3B3833

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 #B03323 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 #B03323 Surface #F3E6D6 Anchor #5F2036 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 #B03323 Secondary #AF827A 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.

Build a working theme in the generator →

Color Lab

How #B03323 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 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 51/100

Moderate

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

Naturalness 69/100

High

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

Vintage feel 55/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 53/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 44/100

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 8/100

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 #B03323

For UI

For branding

For interior

For fashion

People also use #B03323 with

Razzmatazz Dark Goldenrod Bondi 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 6.3:1. Use

Subtle surface Use #EFD6D2 for cards and hover fills. Tint 80

Avoid beside #AF6223 — 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 #B03323 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: #B03323;
  --color-base-rgb: 176 51 35;
  --color-base-oklch: oklch(50.8% 0.164 30.7);
  --color-50: #FDF3F2;
  --color-100: #F9E0DC;
  --color-200: #F1C1BB;
  --color-300: #E3968C;
  --color-400: #D06E62;
  --color-500: #B54D3F;
  --color-600: #8B4137;
  --color-700: #62332C;
  --color-800: #412420;
  --color-900: #281816;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  firebrick: {
    50: '#FDF3F2',
    100: '#F9E0DC',
    200: '#F1C1BB',
    300: '#E3968C',
    400: '#D06E62',
    500: '#B54D3F',
    600: '#8B4137',
    700: '#62332C',
    800: '#412420',
    900: '#281816',
  },
}

$base: #B03323;
$base-ink: #FFFFFF;
$base-50: #FDF3F2;
$base-100: #F9E0DC;
$base-200: #F1C1BB;
$base-300: #E3968C;
$base-400: #D06E62;
$base-500: #B54D3F;
$base-600: #8B4137;
$base-700: #62332C;
$base-800: #412420;
$base-900: #281816;
$base-hover: #8C291C;
$base-subtle: #E9C0BB;

{
    "color": {
        "base": {
            "value": "#B03323",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDF3F2",
                "type": "color"
            },
            "100": {
                "value": "#F9E0DC",
                "type": "color"
            },
            "200": {
                "value": "#F1C1BB",
                "type": "color"
            },
            "300": {
                "value": "#E3968C",
                "type": "color"
            },
            "400": {
                "value": "#D06E62",
                "type": "color"
            },
            "500": {
                "value": "#B54D3F",
                "type": "color"
            },
            "600": {
                "value": "#8B4137",
                "type": "color"
            },
            "700": {
                "value": "#62332C",
                "type": "color"
            },
            "800": {
                "value": "#412420",
                "type": "color"
            },
            "900": {
                "value": "#281816",
                "type": "color"
            }
        }
    }
}

Palettes built on #B03323

Color Lab

Pairs with #B03323

UI roles & guardrails

In real applications

Scales

Every model

Export