What color is #B33B2E?

#B33B2E is a medium brown. In RGB it is rgb(179, 59, 46), and in HSL hsl(6, 59%, 44%).

Is #B33B2E accessible as text?

On white, #B33B2E has a contrast ratio of 5.86:1 (passes WCAG AA for body text); on black it is 3.58:1 (fails). For text placed on #B33B2E, use white for the best readability.

What is the closest Tailwind color to #B33B2E?

The nearest Tailwind CSS token is orange-700 (#CA3500).

What colors go well with #B33B2E?

#B33B2E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2EA5B2. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B33B2E below.

Is #B33B2E good for buttons?

#B33B2E works well for buttons and highlights, but use white text on #B33B2E — black text only reaches 3.58:1, below the 4.5:1 needed for normal-size labels.

Is #B33B2E the same as CSS firebrick?

No — #B33B2E is not the CSS named color firebrick, but firebrick (#B22222) is the closest CSS named color.

#B33B2E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B33B2E

Not just a swatch — here's how #B33B2E works with other colors. Named schemes with #B33B2E in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #B33B2E Secondary #B76325 Accent #777743 Surface #F4EBDD Anchor #3B2A21

This palette keeps Rust 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 #B33B2E Anchor #3A2A21 Surface #F0E2D0 Accent #969664 Secondary #3C3833

Rust 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 #B33B2E Secondary #7B4927 Surface #EAD9C0 Accent #43503A Anchor #5A222E

Rust 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 #B33B2E Surface #F3E6D6 Anchor #5F2036 Accent #E6C2C1 Secondary #332B2D

Rust 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 #B33B2E Secondary #B38780 Support #9B9186 Ink #17140F

Rust 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 Rust carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #B33B2E 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 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 50/100

Moderate

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

Naturalness 74/100

High

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

Vintage feel 59/100

Moderate

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

Luxury 52/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 43/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 99/100

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 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #B33B2E

For UI

For branding

For interior

For fashion

People also use #B33B2E with

Mulberry Dark Goldenrod Cadet 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 5.9:1. Use

Subtle surface Use #EFD9D6 for cards and hover fills. Tint 80

Avoid beside #B2672E — 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 #B33B2E 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: #B33B2E;
  --color-base-rgb: 179 59 46;
  --color-base-oklch: oklch(52.4% 0.158 29.5);
  --color-50: #FCF3F2;
  --color-100: #F7E0DE;
  --color-200: #EEC3BE;
  --color-300: #DE9992;
  --color-400: #CA7268;
  --color-500: #AE5146;
  --color-600: #86443C;
  --color-700: #5F3430;
  --color-800: #3F2522;
  --color-900: #271817;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  rust: {
    50: '#FCF3F2',
    100: '#F7E0DE',
    200: '#EEC3BE',
    300: '#DE9992',
    400: '#CA7268',
    500: '#AE5146',
    600: '#86443C',
    700: '#5F3430',
    800: '#3F2522',
    900: '#271817',
  },
}

$base: #B33B2E;
$base-ink: #FFFFFF;
$base-50: #FCF3F2;
$base-100: #F7E0DE;
$base-200: #EEC3BE;
$base-300: #DE9992;
$base-400: #CA7268;
$base-500: #AE5146;
$base-600: #86443C;
$base-700: #5F3430;
$base-800: #3F2522;
$base-900: #271817;
$base-hover: #8F2F25;
$base-subtle: #E7C5C1;

{
    "color": {
        "base": {
            "value": "#B33B2E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF3F2",
                "type": "color"
            },
            "100": {
                "value": "#F7E0DE",
                "type": "color"
            },
            "200": {
                "value": "#EEC3BE",
                "type": "color"
            },
            "300": {
                "value": "#DE9992",
                "type": "color"
            },
            "400": {
                "value": "#CA7268",
                "type": "color"
            },
            "500": {
                "value": "#AE5146",
                "type": "color"
            },
            "600": {
                "value": "#86443C",
                "type": "color"
            },
            "700": {
                "value": "#5F3430",
                "type": "color"
            },
            "800": {
                "value": "#3F2522",
                "type": "color"
            },
            "900": {
                "value": "#271817",
                "type": "color"
            }
        }
    }
}

Palettes built on #B33B2E

Color Lab

Pairs with #B33B2E

UI roles & guardrails

In real applications

Scales

Every model

Export