What color is #540B04?

#540B04 is a very dark, vivid red. In RGB it is rgb(84, 11, 4), and in HSL hsl(5, 91%, 17%).

Is #540B04 accessible as text?

On white, #540B04 has a contrast ratio of 14.72:1 (passes WCAG AA for body text); on black it is 1.43:1 (fails). For text placed on #540B04, use white for the best readability.

What is the closest Tailwind color to #540B04?

The nearest Tailwind CSS token is red-950 (#460809).

What colors go well with #540B04?

#540B04 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #044C53. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #540B04 below.

Is #540B04 good for buttons?

#540B04 works well for buttons and highlights, but use white text on #540B04 — black text only reaches 1.43:1, below the 4.5:1 needed for normal-size labels.

Is #540B04 the same as CSS maroon?

No — #540B04 is not the CSS named color maroon, but maroon (#800000) is the closest CSS named color.

#540B04 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #540B04

Not just a swatch — here's how #540B04 works with other colors. Named schemes with #540B04 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #540B04 Secondary #B76325 Accent #777743 Surface #F4EBDD Anchor #3B2A21

This palette keeps Oxblood as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Luxury Packaging Feature · 5 colors

Feature #540B04 Anchor #141210 Accent #D09E4D Secondary #322523 Surface #F2EDE3

Oxblood carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Vintage Leather Lead · 5 colors

Lead #540B04 Secondary #7B4927 Surface #EAD9C0 Accent #43503A Anchor #5A222E

Oxblood plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Moody Editorial Color · 5 colors

Color #540B04 Anchor #2B2A2E Secondary #6F6E73 Surface #EDE6DA Accent #260100

Oxblood adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Oxblood.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #540B04 Secondary #634843 Support #9B9186 Ink #17140F

Oxblood 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 Oxblood carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #540B04 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 80/100

Warm

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 100/100

Very high

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

Vintage feel 55/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 76/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 41/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 35/100

Low

Workable accent with care around contrast.

Surface fit 34/100

Low

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #540B04

For UI

For branding

For interior

For fashion

People also use #540B04 with

Burgundy Espresso Brunswick Green Gainsboro

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

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 14.7:1. Use

Subtle surface Use #F0BEB9 for cards and hover fills. Tint 80

Avoid beside #532504 — 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 #540B04 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: #540B04;
  --color-base-rgb: 84 11 4;
  --color-base-oklch: oklch(29.0% 0.106 30.7);
  --color-50: #FEF1F0;
  --color-100: #FDDBD8;
  --color-200: #FBB7B1;
  --color-300: #F2877D;
  --color-400: #E45A4E;
  --color-500: #CB382A;
  --color-600: #9A3228;
  --color-700: #6C2923;
  --color-800: #461E1B;
  --color-900: #2B1412;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  oxblood: {
    50: '#FEF1F0',
    100: '#FDDBD8',
    200: '#FBB7B1',
    300: '#F2877D',
    400: '#E45A4E',
    500: '#CB382A',
    600: '#9A3228',
    700: '#6C2923',
    800: '#461E1B',
    900: '#2B1412',
  },
}

$base: #540B04;
$base-ink: #FFFFFF;
$base-50: #FEF1F0;
$base-100: #FDDBD8;
$base-200: #FBB7B1;
$base-300: #F2877D;
$base-400: #E45A4E;
$base-500: #CB382A;
$base-600: #9A3228;
$base-700: #6C2923;
$base-800: #461E1B;
$base-900: #2B1412;
$base-hover: #420803;
$base-subtle: #EB9B94;

{
    "color": {
        "base": {
            "value": "#540B04",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF1F0",
                "type": "color"
            },
            "100": {
                "value": "#FDDBD8",
                "type": "color"
            },
            "200": {
                "value": "#FBB7B1",
                "type": "color"
            },
            "300": {
                "value": "#F2877D",
                "type": "color"
            },
            "400": {
                "value": "#E45A4E",
                "type": "color"
            },
            "500": {
                "value": "#CB382A",
                "type": "color"
            },
            "600": {
                "value": "#9A3228",
                "type": "color"
            },
            "700": {
                "value": "#6C2923",
                "type": "color"
            },
            "800": {
                "value": "#461E1B",
                "type": "color"
            },
            "900": {
                "value": "#2B1412",
                "type": "color"
            }
        }
    }
}