What color is #511103?

#511103 is a very dark, vivid red. In RGB it is rgb(81, 17, 3), and in HSL hsl(11, 93%, 16%).

Is #511103 accessible as text?

On white, #511103 has a contrast ratio of 14.67:1 (passes WCAG AA for body text); on black it is 1.43:1 (fails). For text placed on #511103, use white for the best readability.

What is the closest Tailwind color to #511103?

The nearest Tailwind CSS token is amber-950 (#461901).

What colors go well with #511103?

#511103 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #03414F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #511103 below.

Is #511103 good for buttons?

#511103 works well for buttons and highlights, but use white text on #511103 — black text only reaches 1.43:1, below the 4.5:1 needed for normal-size labels.

Is #511103 the same as CSS maroon?

No — #511103 is not the CSS named color maroon, but maroon (#800000) is the closest CSS named color.

#511103 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #511103

Not just a swatch — here's how #511103 works with other colors. Named schemes with #511103 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #511103 Secondary #B76324 Accent #777743 Surface #F4ECDD Anchor #3B2A20

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

Vintage Leather Lead · 5 colors

Lead #511103 Secondary #7B4926 Surface #EAD9C0 Accent #42503A Anchor #5A222D

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.

Luxury Packaging Feature · 5 colors

Feature #511103 Anchor #141210 Accent #D09E4D Secondary #322522 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.

Moody Editorial Color · 5 colors

Color #511103 Anchor #2B2A2E Secondary #6F6E73 Surface #EDE6DA Accent #240300

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 #511103 Secondary #614943 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 #511103 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 78/100

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 58/100

Moderate

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

Luxury 75/100

High

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

Brand distinctiveness 38/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 34/100

Low

Workable accent with care around contrast.

Surface fit 37/100

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 #511103

For UI

For branding

For interior

For fashion

People also use #511103 with

Burgundy Espresso Gunmetal Gray Gainsboro Taupe

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 #F1C2B7 for cards and hover fills. Tint 80

Avoid beside #4F2A03 — 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 #511103 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #511103;
  --color-base-rgb: 81 17 3;
  --color-base-oklch: oklch(28.9% 0.097 34.4);
  --color-50: #FEF3F0;
  --color-100: #FDDFD8;
  --color-200: #FCBEB1;
  --color-300: #F4927C;
  --color-400: #E6684C;
  --color-500: #CC4729;
  --color-600: #9B3C27;
  --color-700: #6D3022;
  --color-800: #47221A;
  --color-900: #2B1712;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  oxblood: {
    50: '#FEF3F0',
    100: '#FDDFD8',
    200: '#FCBEB1',
    300: '#F4927C',
    400: '#E6684C',
    500: '#CC4729',
    600: '#9B3C27',
    700: '#6D3022',
    800: '#47221A',
    900: '#2B1712',
  },
}

$base: #511103;
$base-ink: #FFFFFF;
$base-50: #FEF3F0;
$base-100: #FDDFD8;
$base-200: #FCBEB1;
$base-300: #F4927C;
$base-400: #E6684C;
$base-500: #CC4729;
$base-600: #9B3C27;
$base-700: #6D3022;
$base-800: #47221A;
$base-900: #2B1712;
$base-hover: #3F0D02;
$base-subtle: #ECA291;

{
    "color": {
        "base": {
            "value": "#511103",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF3F0",
                "type": "color"
            },
            "100": {
                "value": "#FDDFD8",
                "type": "color"
            },
            "200": {
                "value": "#FCBEB1",
                "type": "color"
            },
            "300": {
                "value": "#F4927C",
                "type": "color"
            },
            "400": {
                "value": "#E6684C",
                "type": "color"
            },
            "500": {
                "value": "#CC4729",
                "type": "color"
            },
            "600": {
                "value": "#9B3C27",
                "type": "color"
            },
            "700": {
                "value": "#6D3022",
                "type": "color"
            },
            "800": {
                "value": "#47221A",
                "type": "color"
            },
            "900": {
                "value": "#2B1712",
                "type": "color"
            }
        }
    }
}