What color is #511F05?

#511F05 is a very dark, vivid red-orange. In RGB it is rgb(81, 31, 5), and in HSL hsl(21, 88%, 17%).

Is #511F05 accessible as text?

On white, #511F05 has a contrast ratio of 13.57:1 (passes WCAG AA for body text); on black it is 1.55:1 (fails). For text placed on #511F05, use white for the best readability.

What is the closest Tailwind color to #511F05?

The nearest Tailwind CSS token is yellow-950 (#432004).

What colors go well with #511F05?

#511F05 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #053751. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #511F05 below.

Is #511F05 good for buttons?

#511F05 works well for buttons and highlights, but use white text on #511F05 — black text only reaches 1.55:1, below the 4.5:1 needed for normal-size labels.

Is #511F05 the same as CSS maroon?

No — #511F05 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.

#511F05 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #511F05

Not just a swatch — here's how #511F05 works with other colors. Named schemes with #511F05 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #511F05 Secondary #B66421 Accent #757844 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 #511F05 Secondary #7B4A25 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 #511F05 Surface #E2CEA8 Secondary #B17A56 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 #511F05 Surface #F0E9DC Highlight #F6F1E7 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 #511F05 Secondary #645048 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 #511F05 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 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 38/100

Low

Workable accent with care around contrast.

Surface fit 40/100

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 #511F05

For UI

For branding

For interior

For fashion

People also use #511F05 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 13.6:1. Use

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

Avoid beside #513905 — 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 #511F05 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: #511F05;
  --color-base-rgb: 81 31 5;
  --color-base-oklch: oklch(31.0% 0.083 44.3);
  --color-50: #FEF5F0;
  --color-100: #FDE5D8;
  --color-200: #FACBB2;
  --color-300: #F0A77F;
  --color-400: #E28350;
  --color-500: #C8632D;
  --color-600: #98502A;
  --color-700: #6B3D24;
  --color-800: #462A1B;
  --color-900: #2B1B13;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FEF5F0',
    100: '#FDE5D8',
    200: '#FACBB2',
    300: '#F0A77F',
    400: '#E28350',
    500: '#C8632D',
    600: '#98502A',
    700: '#6B3D24',
    800: '#462A1B',
    900: '#2B1B13',
  },
}

$base: #511F05;
$base-ink: #FFFFFF;
$base-50: #FEF5F0;
$base-100: #FDE5D8;
$base-200: #FACBB2;
$base-300: #F0A77F;
$base-400: #E28350;
$base-500: #C8632D;
$base-600: #98502A;
$base-700: #6B3D24;
$base-800: #462A1B;
$base-900: #2B1B13;
$base-hover: #411A04;
$base-subtle: #EAB395;

{
    "color": {
        "base": {
            "value": "#511F05",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF5F0",
                "type": "color"
            },
            "100": {
                "value": "#FDE5D8",
                "type": "color"
            },
            "200": {
                "value": "#FACBB2",
                "type": "color"
            },
            "300": {
                "value": "#F0A77F",
                "type": "color"
            },
            "400": {
                "value": "#E28350",
                "type": "color"
            },
            "500": {
                "value": "#C8632D",
                "type": "color"
            },
            "600": {
                "value": "#98502A",
                "type": "color"
            },
            "700": {
                "value": "#6B3D24",
                "type": "color"
            },
            "800": {
                "value": "#462A1B",
                "type": "color"
            },
            "900": {
                "value": "#2B1B13",
                "type": "color"
            }
        }
    }
}

Palettes built on #511F05

Color Lab

Pairs with #511F05

UI roles & guardrails

In real applications

Scales

Every model

Export