What color is #331C04?

#331C04 is a very dark, vivid brown. In RGB it is rgb(51, 28, 4), and in HSL hsl(31, 85%, 11%).

Is #331C04 accessible as text?

On white, #331C04 has a contrast ratio of 16.05:1 (passes WCAG AA for body text); on black it is 1.31:1 (fails). For text placed on #331C04, use white for the best readability.

What is the closest Tailwind color to #331C04?

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

What colors go well with #331C04?

#331C04 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #041B34. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #331C04 below.

Is #331C04 good for buttons?

#331C04 works well for buttons and highlights, but use white text on #331C04 — black text only reaches 1.31:1, below the 4.5:1 needed for normal-size labels.

Is #331C04 the same as CSS maroon?

No — #331C04 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.

#331C04 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #331C04

Not just a swatch — here's how #331C04 works with other colors. Named schemes with #331C04 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #331C04 Secondary #B4651B Accent #737945 Surface #F3ECDD 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 #331C04 Secondary #7A4A23 Surface #E9DAC0 Accent #41503C Anchor #5B222A

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 #331C04 Surface #E1CEA8 Secondary #B07A54 Accent #94986F 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 #331C04 Surface #EFE9DC Highlight #F6F1E7 Secondary #BAAF9F 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 #331C04 Secondary #4D443C Support #9A9186 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 #331C04 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 73/100

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 #331C04

For UI

For branding

For interior

For fashion

People also use #331C04 with

Rosewood Sacramento Green 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 16.0:1. Use

Subtle surface Use #EDD3B6 for cards and hover fills. Tint 80

Avoid beside #342D04 — 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 #331C04 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: #331C04;
  --color-base-rgb: 51 28 4;
  --color-base-oklch: oklch(25.2% 0.051 63.6);
  --color-50: #FEF8F0;
  --color-100: #FDEBD8;
  --color-200: #F9D7B4;
  --color-300: #EEB981;
  --color-400: #DF9B53;
  --color-500: #C57D30;
  --color-600: #96632C;
  --color-700: #6A4925;
  --color-800: #45311C;
  --color-900: #2A1F13;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FEF8F0',
    100: '#FDEBD8',
    200: '#F9D7B4',
    300: '#EEB981',
    400: '#DF9B53',
    500: '#C57D30',
    600: '#96632C',
    700: '#6A4925',
    800: '#45311C',
    900: '#2A1F13',
  },
}

$base: #331C04;
$base-ink: #FFFFFF;
$base-50: #FEF8F0;
$base-100: #FDEBD8;
$base-200: #F9D7B4;
$base-300: #EEB981;
$base-400: #DF9B53;
$base-500: #C57D30;
$base-600: #96632C;
$base-700: #6A4925;
$base-800: #45311C;
$base-900: #2A1F13;
$base-hover: #2A1703;
$base-subtle: #E7BC8F;

{
    "color": {
        "base": {
            "value": "#331C04",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF8F0",
                "type": "color"
            },
            "100": {
                "value": "#FDEBD8",
                "type": "color"
            },
            "200": {
                "value": "#F9D7B4",
                "type": "color"
            },
            "300": {
                "value": "#EEB981",
                "type": "color"
            },
            "400": {
                "value": "#DF9B53",
                "type": "color"
            },
            "500": {
                "value": "#C57D30",
                "type": "color"
            },
            "600": {
                "value": "#96632C",
                "type": "color"
            },
            "700": {
                "value": "#6A4925",
                "type": "color"
            },
            "800": {
                "value": "#45311C",
                "type": "color"
            },
            "900": {
                "value": "#2A1F13",
                "type": "color"
            }
        }
    }
}

Palettes built on #331C04

Color Lab

Pairs with #331C04

UI roles & guardrails

In real applications

Scales

Every model

Export