What color is #B04545?

#B04545 is a medium red. In RGB it is rgb(176, 69, 69), and in HSL hsl(0, 44%, 48%).

Is #B04545 accessible as text?

On white, #B04545 has a contrast ratio of 5.55:1 (passes WCAG AA for body text); on black it is 3.78:1 (fails). For text placed on #B04545, use white for the best readability.

What is the closest Tailwind color to #B04545?

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

What colors go well with #B04545?

#B04545 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #45B0B0. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B04545 below.

Is #B04545 good for buttons?

#B04545 works well for buttons and highlights, but use white text on #B04545 — black text only reaches 3.78:1, below the 4.5:1 needed for normal-size labels.

Is #B04545 the same as CSS sienna?

No — #B04545 is not the CSS named color sienna, but sienna (#A0522D) 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.

#B04545 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B04545

Not just a swatch — here's how #B04545 works with other colors. Named schemes with #B04545 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #B04545 Secondary #B76327 Accent #787742 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 #B04545 Anchor #3A2A21 Surface #F0E2D0 Accent #979664 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 #B04545 Secondary #7B4928 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 #B04545 Surface #F3E6D6 Anchor #5F2037 Accent #E6C2C2 Secondary #332B2E

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 #B04545 Secondary #B38B89 Support #9B9087 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 #B04545 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 87/100

Warm

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

Softness 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 48/100

Moderate

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

Naturalness 77/100

High

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

Vintage feel 69/100

High

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

Luxury 52/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 38/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 100/100

Very high

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

Surface fit 13/100

Very low

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

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #B04545

For UI

For branding

For interior

For fashion

People also use #B04545 with

Mulberry Copper Verdigris 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 5.6:1. Use

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

Avoid beside #B06845 — 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 #B04545 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: #B04545;
  --color-base-rgb: 176 69 69;
  --color-base-oklch: oklch(53.5% 0.140 23.1);
  --color-50: #FBF4F4;
  --color-100: #F4E1E1;
  --color-200: #E8C4C4;
  --color-300: #D49B9B;
  --color-400: #BD7575;
  --color-500: #A15454;
  --color-600: #7C4646;
  --color-700: #593636;
  --color-800: #3B2626;
  --color-900: #251919;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  rust: {
    50: '#FBF4F4',
    100: '#F4E1E1',
    200: '#E8C4C4',
    300: '#D49B9B',
    400: '#BD7575',
    500: '#A15454',
    600: '#7C4646',
    700: '#593636',
    800: '#3B2626',
    900: '#251919',
  },
}

$base: #B04545;
$base-ink: #FFFFFF;
$base-50: #FBF4F4;
$base-100: #F4E1E1;
$base-200: #E8C4C4;
$base-300: #D49B9B;
$base-400: #BD7575;
$base-500: #A15454;
$base-600: #7C4646;
$base-700: #593636;
$base-800: #3B2626;
$base-900: #251919;
$base-hover: #8D3737;
$base-subtle: #E5CACA;

{
    "color": {
        "base": {
            "value": "#B04545",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FBF4F4",
                "type": "color"
            },
            "100": {
                "value": "#F4E1E1",
                "type": "color"
            },
            "200": {
                "value": "#E8C4C4",
                "type": "color"
            },
            "300": {
                "value": "#D49B9B",
                "type": "color"
            },
            "400": {
                "value": "#BD7575",
                "type": "color"
            },
            "500": {
                "value": "#A15454",
                "type": "color"
            },
            "600": {
                "value": "#7C4646",
                "type": "color"
            },
            "700": {
                "value": "#593636",
                "type": "color"
            },
            "800": {
                "value": "#3B2626",
                "type": "color"
            },
            "900": {
                "value": "#251919",
                "type": "color"
            }
        }
    }
}

Palettes built on #B04545

Color Lab

Pairs with #B04545

UI roles & guardrails

In real applications

Scales

Every model

Export