What color is #331B05?

#331B05 is a very dark, vivid brown. In RGB it is rgb(51, 27, 5), and in HSL hsl(29, 82%, 11%).

Is #331B05 accessible as text?

On white, #331B05 has a contrast ratio of 16.16:1 (passes WCAG AA for body text); on black it is 1.30:1 (fails). For text placed on #331B05, use white for the best readability.

What is the closest Tailwind color to #331B05?

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

What colors go well with #331B05?

#331B05 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #051D33. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #331B05 below.

Is #331B05 good for buttons?

#331B05 works well for buttons and highlights, but use white text on #331B05 — black text only reaches 1.30:1, below the 4.5:1 needed for normal-size labels.

Is #331B05 the same as CSS maroon?

No — #331B05 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.

#331B05 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #331B05

Not just a swatch — here's how #331B05 works with other colors. Named schemes with #331B05 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #331B05 Secondary #B5651C Accent #737845 Surface #F4ECDD Anchor #3B2A20

This palette keeps Graphite 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 #331B05 Secondary #7A4A24 Surface #E9DAC0 Accent #41503C Anchor #5B222B

Graphite 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 #331B05 Surface #E1CEA8 Secondary #B07A55 Accent #95986E Anchor #3E2C20

Graphite 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 #331B05 Surface #F0E9DC Highlight #F6F1E7 Secondary #BAAF9F Ink #2B2723

Graphite 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 #331B05 Secondary #4C433C Support #9A9186 Ink #17140F

Graphite 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 Graphite carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #331B05 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 65/100

Warm

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 72/100

High

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

Naturalness 61/100

High

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

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 74/100

High

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

Brand distinctiveness 20/100

Very low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 19/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 53/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #331B05

For UI

For branding

For interior

For fashion

People also use #331B05 with

Rosewood Bistre Graphite 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 16.2:1. Use

Subtle surface Use #ECD1B7 for cards and hover fills. Tint 80

Avoid beside #332B05 — 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 #331B05 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: #331B05;
  --color-base-rgb: 51 27 5;
  --color-base-oklch: oklch(25.0% 0.051 60.1);
  --color-50: #FEF7F0;
  --color-100: #FCEAD9;
  --color-200: #F8D5B5;
  --color-300: #EDB683;
  --color-400: #DD9755;
  --color-500: #C37832;
  --color-600: #945F2E;
  --color-700: #694626;
  --color-800: #44301D;
  --color-900: #2A1E14;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#FEF7F0',
    100: '#FCEAD9',
    200: '#F8D5B5',
    300: '#EDB683',
    400: '#DD9755',
    500: '#C37832',
    600: '#945F2E',
    700: '#694626',
    800: '#44301D',
    900: '#2A1E14',
  },
}

$base: #331B05;
$base-ink: #FFFFFF;
$base-50: #FEF7F0;
$base-100: #FCEAD9;
$base-200: #F8D5B5;
$base-300: #EDB683;
$base-400: #DD9755;
$base-500: #C37832;
$base-600: #945F2E;
$base-700: #694626;
$base-800: #44301D;
$base-900: #2A1E14;
$base-hover: #291604;
$base-subtle: #E5BA90;

{
    "color": {
        "base": {
            "value": "#331B05",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF7F0",
                "type": "color"
            },
            "100": {
                "value": "#FCEAD9",
                "type": "color"
            },
            "200": {
                "value": "#F8D5B5",
                "type": "color"
            },
            "300": {
                "value": "#EDB683",
                "type": "color"
            },
            "400": {
                "value": "#DD9755",
                "type": "color"
            },
            "500": {
                "value": "#C37832",
                "type": "color"
            },
            "600": {
                "value": "#945F2E",
                "type": "color"
            },
            "700": {
                "value": "#694626",
                "type": "color"
            },
            "800": {
                "value": "#44301D",
                "type": "color"
            },
            "900": {
                "value": "#2A1E14",
                "type": "color"
            }
        }
    }
}

Palettes built on #331B05

Color Lab

Pairs with #331B05

UI roles & guardrails

In real applications

Scales

Every model

Export