What color is #B03415?

#B03415 is a dark, vivid brown. In RGB it is rgb(176, 52, 21), and in HSL hsl(12, 79%, 39%).

Is #B03415 accessible as text?

On white, #B03415 has a contrast ratio of 6.27:1 (passes WCAG AA for body text); on black it is 3.35:1 (fails). For text placed on #B03415, use white for the best readability.

What is the closest Tailwind color to #B03415?

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

What colors go well with #B03415?

#B03415 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1593B2. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B03415 below.

Is #B03415 good for buttons?

#B03415 works well for buttons and highlights, but use white text on #B03415 — black text only reaches 3.35:1, below the 4.5:1 needed for normal-size labels.

Is #B03415 the same as CSS firebrick?

No — #B03415 is not the CSS named color firebrick, but firebrick (#B22222) is the closest CSS named color.

#B03415 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B03415

Not just a swatch — here's how #B03415 works with other colors. Named schemes with #B03415 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #B03415 Secondary #B76324 Accent #777743 Surface #F4ECDD Anchor #3B2A20

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 #B03415 Anchor #3A2A20 Surface #F0E2D0 Accent #959665 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 #B03415 Secondary #7B4926 Surface #EAD9C0 Accent #42503A Anchor #5A222D

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 #B03415 Surface #F3E7D6 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 #B03415 Secondary #AF8277 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 #B03415 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 97/100

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 72/100

High

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

Vintage feel 54/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 53/100

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 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 #B03415

For UI

For branding

For interior

For fashion

People also use #B03415 with

Ruby Red Dark Goldenrod Bondi Blue 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 6.3:1. Use

Subtle surface Use #F2D5CE for cards and hover fills. Tint 80

Avoid beside #B26915 — 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 #B03415 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: #B03415;
  --color-base-rgb: 176 52 21;
  --color-base-oklch: oklch(50.8% 0.166 34.5);
  --color-50: #FEF3F1;
  --color-100: #FCE0DA;
  --color-200: #F6C3B6;
  --color-300: #EB9985;
  --color-400: #DA7258;
  --color-500: #C05135;
  --color-600: #924330;
  --color-700: #673428;
  --color-800: #43251D;
  --color-900: #291814;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  firebrick: {
    50: '#FEF3F1',
    100: '#FCE0DA',
    200: '#F6C3B6',
    300: '#EB9985',
    400: '#DA7258',
    500: '#C05135',
    600: '#924330',
    700: '#673428',
    800: '#43251D',
    900: '#291814',
  },
}

$base: #B03415;
$base-ink: #FFFFFF;
$base-50: #FEF3F1;
$base-100: #FCE0DA;
$base-200: #F6C3B6;
$base-300: #EB9985;
$base-400: #DA7258;
$base-500: #C05135;
$base-600: #924330;
$base-700: #673428;
$base-800: #43251D;
$base-900: #291814;
$base-hover: #8E2A11;
$base-subtle: #ECC0B4;

{
    "color": {
        "base": {
            "value": "#B03415",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF3F1",
                "type": "color"
            },
            "100": {
                "value": "#FCE0DA",
                "type": "color"
            },
            "200": {
                "value": "#F6C3B6",
                "type": "color"
            },
            "300": {
                "value": "#EB9985",
                "type": "color"
            },
            "400": {
                "value": "#DA7258",
                "type": "color"
            },
            "500": {
                "value": "#C05135",
                "type": "color"
            },
            "600": {
                "value": "#924330",
                "type": "color"
            },
            "700": {
                "value": "#673428",
                "type": "color"
            },
            "800": {
                "value": "#43251D",
                "type": "color"
            },
            "900": {
                "value": "#291814",
                "type": "color"
            }
        }
    }
}

Palettes built on #B03415

Color Lab

Pairs with #B03415

UI roles & guardrails

In real applications

Scales

Every model

Export