What color is #511D11?

#511D11 is a dark reddish brown. In RGB it is rgb(81, 29, 17), and in HSL hsl(11, 65%, 19%).

Is #511D11 accessible as text?

On white, #511D11 has a contrast ratio of 13.69:1 (passes WCAG AA for body text); on black it is 1.53:1 (fails). For text placed on #511D11, use white for the best readability.

What is the closest Tailwind color to #511D11?

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

What colors go well with #511D11?

#511D11 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #114450. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #511D11 below.

Is #511D11 good for buttons?

#511D11 works well for buttons and highlights, but use white text on #511D11 — black text only reaches 1.53:1, below the 4.5:1 needed for normal-size labels.

Is #511D11 the same as CSS maroon?

No — #511D11 is not the CSS named color maroon, but maroon (#800000) 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.

#511D11 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #511D11

Not just a swatch — here's how #511D11 works with other colors. Named schemes with #511D11 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #511D11 Secondary #B76324 Accent #777743 Surface #F4ECDD Anchor #3B2A20

This palette keeps Bistre 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 #511D11 Secondary #7B4926 Surface #EAD9C0 Accent #42503A Anchor #5A222D

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

Desert Clay Center · 5 colors

Center #511D11 Surface #E3CEA8 Secondary #B17957 Accent #97976D Anchor #3E2C21

Bistre holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Japanese Sand Base · 5 colors

Base #511D11 Surface #F0E9DC Highlight #F7F1E7 Secondary #BBAE9F Ink #2B2723

Bistre sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #511D11 Secondary #634F4A Support #9B9186 Ink #17140F

Bistre 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 Bistre carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #511D11 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 73/100

Warm

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

High

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

Naturalness 97/100

Very high

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

Vintage feel 61/100

High

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

Luxury 72/100

High

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

Brand distinctiveness 31/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 37/100

Low

Workable accent with care around contrast.

Surface fit 40/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #511D11

For UI

For branding

For interior

For fashion

People also use #511D11 with

Tyrian Purple Espresso Charcoal 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 13.7:1. Use

Subtle surface Use #E9C9C2 for cards and hover fills. Tint 80

Avoid beside #503111 — 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 #511D11 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: #511D11;
  --color-base-rgb: 81 29 17;
  --color-base-oklch: oklch(30.8% 0.081 34.4);
  --color-50: #FDF4F2;
  --color-100: #F9E2DD;
  --color-200: #F1C5BC;
  --color-300: #E29D8E;
  --color-400: #CF7763;
  --color-500: #B45641;
  --color-600: #894738;
  --color-700: #62372D;
  --color-800: #402721;
  --color-900: #271916;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FDF4F2',
    100: '#F9E2DD',
    200: '#F1C5BC',
    300: '#E29D8E',
    400: '#CF7763',
    500: '#B45641',
    600: '#894738',
    700: '#62372D',
    800: '#402721',
    900: '#271916',
  },
}

$base: #511D11;
$base-ink: #FFFFFF;
$base-50: #FDF4F2;
$base-100: #F9E2DD;
$base-200: #F1C5BC;
$base-300: #E29D8E;
$base-400: #CF7763;
$base-500: #B45641;
$base-600: #894738;
$base-700: #62372D;
$base-800: #402721;
$base-900: #271916;
$base-hover: #40170E;
$base-subtle: #E0AEA2;

{
    "color": {
        "base": {
            "value": "#511D11",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDF4F2",
                "type": "color"
            },
            "100": {
                "value": "#F9E2DD",
                "type": "color"
            },
            "200": {
                "value": "#F1C5BC",
                "type": "color"
            },
            "300": {
                "value": "#E29D8E",
                "type": "color"
            },
            "400": {
                "value": "#CF7763",
                "type": "color"
            },
            "500": {
                "value": "#B45641",
                "type": "color"
            },
            "600": {
                "value": "#894738",
                "type": "color"
            },
            "700": {
                "value": "#62372D",
                "type": "color"
            },
            "800": {
                "value": "#402721",
                "type": "color"
            },
            "900": {
                "value": "#271916",
                "type": "color"
            }
        }
    }
}

Palettes built on #511D11

Color Lab

Pairs with #511D11

UI roles & guardrails

In real applications

Scales

Every model

Export