What color is #B2421C?

#B2421C is a medium, vivid brown. In RGB it is rgb(178, 66, 28), and in HSL hsl(15, 73%, 40%).

Is #B2421C accessible as text?

On white, #B2421C has a contrast ratio of 5.69:1 (passes WCAG AA for body text); on black it is 3.69:1 (fails). For text placed on #B2421C, use white for the best readability.

What is the closest Tailwind color to #B2421C?

The nearest Tailwind CSS token is amber-700 (#BB4D00).

What colors go well with #B2421C?

#B2421C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1C8BB0. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B2421C below.

Is #B2421C good for buttons?

#B2421C works well for buttons and highlights, but use white text on #B2421C — black text only reaches 3.69:1, below the 4.5:1 needed for normal-size labels.

Is #B2421C the same as CSS sienna?

No — #B2421C is not the CSS named color sienna, but sienna (#A0522D) is the closest CSS named color.

#B2421C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B2421C

Not just a swatch — here's how #B2421C works with other colors. Named schemes with #B2421C in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #B2421C Secondary #B66423 Accent #767843 Surface #F4ECDD Anchor #3B2A20

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 #B2421C Anchor #3A2A20 Surface #F0E2D0 Accent #959765 Secondary #3B3833

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 #B2421C Secondary #7B4926 Surface #EAD9C0 Accent #42503B Anchor #5B222D

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 #B2421C Surface #F3E7D6 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 #B2421C Secondary #B38A7D 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 #B2421C 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 95/100

Warm

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

Softness 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 49/100

Moderate

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

Naturalness 88/100

Very high

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

Vintage feel 62/100

High

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

Luxury 52/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 42/100

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 #B2421C

For UI

For branding

For interior

For fashion

People also use #B2421C with

Ruby Red Dijon Bondi Blue Greige 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 5.7:1. Use

Subtle surface Use #F0D8D0 for cards and hover fills. Tint 80

Avoid beside #B0721C — 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 #B2421C at work across the surfaces designers actually ship.

Website / UI

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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: #B2421C;
  --color-base-rgb: 178 66 28;
  --color-base-oklch: oklch(52.9% 0.154 37.9);
  --color-50: #FDF4F1;
  --color-100: #FAE3DB;
  --color-200: #F4C7B9;
  --color-300: #E7A088;
  --color-400: #D57B5D;
  --color-500: #BB5A3A;
  --color-600: #8E4A33;
  --color-700: #65392A;
  --color-800: #42281F;
  --color-900: #281A15;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  rust: {
    50: '#FDF4F1',
    100: '#FAE3DB',
    200: '#F4C7B9',
    300: '#E7A088',
    400: '#D57B5D',
    500: '#BB5A3A',
    600: '#8E4A33',
    700: '#65392A',
    800: '#42281F',
    900: '#281A15',
  },
}

$base: #B2421C;
$base-ink: #FFFFFF;
$base-50: #FDF4F1;
$base-100: #FAE3DB;
$base-200: #F4C7B9;
$base-300: #E7A088;
$base-400: #D57B5D;
$base-500: #BB5A3A;
$base-600: #8E4A33;
$base-700: #65392A;
$base-800: #42281F;
$base-900: #281A15;
$base-hover: #8D3416;
$base-subtle: #EBC4B8;

{
    "color": {
        "base": {
            "value": "#B2421C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDF4F1",
                "type": "color"
            },
            "100": {
                "value": "#FAE3DB",
                "type": "color"
            },
            "200": {
                "value": "#F4C7B9",
                "type": "color"
            },
            "300": {
                "value": "#E7A088",
                "type": "color"
            },
            "400": {
                "value": "#D57B5D",
                "type": "color"
            },
            "500": {
                "value": "#BB5A3A",
                "type": "color"
            },
            "600": {
                "value": "#8E4A33",
                "type": "color"
            },
            "700": {
                "value": "#65392A",
                "type": "color"
            },
            "800": {
                "value": "#42281F",
                "type": "color"
            },
            "900": {
                "value": "#281A15",
                "type": "color"
            }
        }
    }
}

Palettes built on #B2421C

Color Lab

Pairs with #B2421C

UI roles & guardrails

In real applications

Scales

Every model

Export