What color is #B45312?

#B45312 is a dark, vivid brown. In RGB it is rgb(180, 83, 18), and in HSL hsl(24, 82%, 39%).

Is #B45312 accessible as text?

On white, #B45312 has a contrast ratio of 5.02:1 (passes WCAG AA for body text); on black it is 4.19:1 (fails). For text placed on #B45312, use white for the best readability.

What is the closest Tailwind color to #B45312?

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

What colors go well with #B45312?

#B45312 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1274B5. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B45312 below.

Is #B45312 good for buttons?

#B45312 works well for buttons and highlights, but use white text on #B45312 — black text only reaches 4.19:1, below the 4.5:1 needed for normal-size labels.

Is #B45312 the same as CSS sienna?

No — #B45312 is not the CSS named color sienna, but sienna (#A0522D) is the closest CSS named color.

#B45312 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B45312

Not just a swatch — here's how #B45312 works with other colors. Named schemes with #B45312 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #B45312 Secondary #B66420 Accent #757844 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 #B45312 Anchor #3A2A20 Surface #F0E3D0 Accent #949765 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 #B45312 Secondary #7A4A25 Surface #E9D9C0 Accent #42503B Anchor #5B222C

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 #B45312 Surface #F3E7D6 Anchor #5F2034 Accent #E6C2C0 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 #B45312 Secondary #B89482 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 #B45312 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 93/100

Warm

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 46/100

Moderate

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

Naturalness 100/100

Very high

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

Vintage feel 70/100

High

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

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 39/100

Low

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 14/100

Very low

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

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #B45312

For UI

For branding

For interior

For fashion

People also use #B45312 with

Crimson Citron Lapis Lazuli 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 5.0:1. Use

Subtle surface Use #F2DCCE for cards and hover fills. Tint 80

Avoid beside #B58A12 — 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 #B45312 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: #B45312;
  --color-base-rgb: 180 83 18;
  --color-base-oklch: oklch(55.6% 0.144 47.8);
  --color-50: #FEF6F0;
  --color-100: #FCE7D9;
  --color-200: #F8D0B5;
  --color-300: #EDAD83;
  --color-400: #DD8B55;
  --color-500: #C36C32;
  --color-600: #94572E;
  --color-700: #694126;
  --color-800: #442D1D;
  --color-900: #2A1C14;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  rust: {
    50: '#FEF6F0',
    100: '#FCE7D9',
    200: '#F8D0B5',
    300: '#EDAD83',
    400: '#DD8B55',
    500: '#C36C32',
    600: '#94572E',
    700: '#694126',
    800: '#442D1D',
    900: '#2A1C14',
  },
}

$base: #B45312;
$base-ink: #FFFFFF;
$base-50: #FEF6F0;
$base-100: #FCE7D9;
$base-200: #F8D0B5;
$base-300: #EDAD83;
$base-400: #DD8B55;
$base-500: #C36C32;
$base-600: #94572E;
$base-700: #694126;
$base-800: #442D1D;
$base-900: #2A1C14;
$base-hover: #91430E;
$base-subtle: #EDCBB3;

{
    "color": {
        "base": {
            "value": "#B45312",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF6F0",
                "type": "color"
            },
            "100": {
                "value": "#FCE7D9",
                "type": "color"
            },
            "200": {
                "value": "#F8D0B5",
                "type": "color"
            },
            "300": {
                "value": "#EDAD83",
                "type": "color"
            },
            "400": {
                "value": "#DD8B55",
                "type": "color"
            },
            "500": {
                "value": "#C36C32",
                "type": "color"
            },
            "600": {
                "value": "#94572E",
                "type": "color"
            },
            "700": {
                "value": "#694126",
                "type": "color"
            },
            "800": {
                "value": "#442D1D",
                "type": "color"
            },
            "900": {
                "value": "#2A1C14",
                "type": "color"
            }
        }
    }
}

Palettes built on #B45312

Color Lab

Pairs with #B45312

UI roles & guardrails

In real applications

Scales

Every model

Export