What color is #511D05?

#511D05 is a very dark, vivid red-orange. In RGB it is rgb(81, 29, 5), and in HSL hsl(19, 88%, 17%).

Is #511D05 accessible as text?

On white, #511D05 has a contrast ratio of 13.75:1 (passes WCAG AA for body text); on black it is 1.53:1 (fails). For text placed on #511D05, use white for the best readability.

What is the closest Tailwind color to #511D05?

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

What colors go well with #511D05?

#511D05 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #053951. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #511D05 below.

Is #511D05 good for buttons?

#511D05 works well for buttons and highlights, but use white text on #511D05 — black text only reaches 1.53:1, below the 4.5:1 needed for normal-size labels.

Is #511D05 the same as CSS maroon?

No — #511D05 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.

#511D05 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #511D05

Not just a swatch — here's how #511D05 works with other colors. Named schemes with #511D05 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #511D05 Secondary #B66421 Accent #767843 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 #511D05 Secondary #7B4926 Surface #E9D9C0 Accent #42503B Anchor #5B222C

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 #511D05 Surface #E2CEA8 Secondary #B17956 Accent #96976E Anchor #3E2C20

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 #511D05 Surface #F0E9DC Highlight #F7F1E7 Secondary #BAAE9F 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 #511D05 Secondary #634F47 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 #511D05 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 75/100

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 100/100

Very high

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

Vintage feel 62/100

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 33/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 37/100

Low

Workable accent with care around contrast.

Surface fit 39/100

Low

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 #511D05

For UI

For branding

For interior

For fashion

People also use #511D05 with

Burgundy Army Green Prussian Blue Greige 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 #EFCBBA for cards and hover fills. Tint 80

Avoid beside #513705 — 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 #511D05 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: #511D05;
  --color-base-rgb: 81 29 5;
  --color-base-oklch: oklch(30.6% 0.085 42.3);
  --color-50: #FEF5F0;
  --color-100: #FDE4D8;
  --color-200: #FAC9B2;
  --color-300: #F0A37F;
  --color-400: #E27E50;
  --color-500: #C85E2D;
  --color-600: #984D2A;
  --color-700: #6B3A24;
  --color-800: #46291B;
  --color-900: #2B1A13;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FEF5F0',
    100: '#FDE4D8',
    200: '#FAC9B2',
    300: '#F0A37F',
    400: '#E27E50',
    500: '#C85E2D',
    600: '#984D2A',
    700: '#6B3A24',
    800: '#46291B',
    900: '#2B1A13',
  },
}

$base: #511D05;
$base-ink: #FFFFFF;
$base-50: #FEF5F0;
$base-100: #FDE4D8;
$base-200: #FAC9B2;
$base-300: #F0A37F;
$base-400: #E27E50;
$base-500: #C85E2D;
$base-600: #984D2A;
$base-700: #6B3A24;
$base-800: #46291B;
$base-900: #2B1A13;
$base-hover: #411704;
$base-subtle: #EAB095;

{
    "color": {
        "base": {
            "value": "#511D05",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF5F0",
                "type": "color"
            },
            "100": {
                "value": "#FDE4D8",
                "type": "color"
            },
            "200": {
                "value": "#FAC9B2",
                "type": "color"
            },
            "300": {
                "value": "#F0A37F",
                "type": "color"
            },
            "400": {
                "value": "#E27E50",
                "type": "color"
            },
            "500": {
                "value": "#C85E2D",
                "type": "color"
            },
            "600": {
                "value": "#984D2A",
                "type": "color"
            },
            "700": {
                "value": "#6B3A24",
                "type": "color"
            },
            "800": {
                "value": "#46291B",
                "type": "color"
            },
            "900": {
                "value": "#2B1A13",
                "type": "color"
            }
        }
    }
}

Palettes built on #511D05

Color Lab

Pairs with #511D05

UI roles & guardrails

In real applications

Scales

Every model

Export