What color is #331B1E?

#331B1E is a very dark, muted red. In RGB it is rgb(51, 27, 30), and in HSL hsl(353, 31%, 15%).

Is #331B1E accessible as text?

On white, #331B1E has a contrast ratio of 15.95:1 (passes WCAG AA for body text); on black it is 1.32:1 (fails). For text placed on #331B1E, use white for the best readability.

What is the closest Tailwind color to #331B1E?

The nearest Tailwind CSS token is taupe-800 (#2B2422).

What colors go well with #331B1E?

#331B1E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1A322F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #331B1E below.

Is #331B1E good for buttons?

#331B1E works well for buttons and highlights, but use white text on #331B1E — black text only reaches 1.32:1, below the 4.5:1 needed for normal-size labels.

Is #331B1E the same as CSS midnightblue?

No — #331B1E is not the CSS named color midnightblue, but midnightblue (#191970) 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.

#331B1E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #331B1E

Not just a swatch — here's how #331B1E works with other colors. Named schemes with #331B1E in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #331B1E Secondary #7C4829 Surface #EBD9C1 Accent #444F39 Anchor #5A2230

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.

Warm Autumn Interior Dominant · 5 colors

Dominant #331B1E Secondary #B8622A Accent #797642 Surface #F5EBDD Anchor #3B2A21

This palette keeps Graphite as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Japanese Sand Base · 5 colors

Base #331B1E Surface #F0E8DC Highlight #F7F1E7 Secondary #BBAEA0 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.

Luxury Packaging Feature · 5 colors

Feature #331B1E Anchor #141210 Accent #D29D4F Secondary #322526 Surface #F3EDE3

Graphite carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #331B1E Secondary #4D4445 Support #9B9087 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 #331B1E 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 59/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

High

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

Naturalness 28/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 39/100

Low

A faint retro warmth without tipping into sepia.

Luxury 72/100

High

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

Brand distinctiveness 15/100

Very low

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

UI accent fit 18/100

Very low

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

Surface fit 57/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #331B1E

For UI

For branding

For interior

For fashion

People also use #331B1E with

Onyx Bistre Gunmetal Gray Gainsboro Espresso

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 #DDCACC for cards and hover fills. Tint 80

Avoid beside #32201A — 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 #331B1E 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: #331B1E;
  --color-base-rgb: 51 27 30;
  --color-base-oklch: oklch(25.6% 0.038 12.0);
  --color-50: #FAF5F5;
  --color-100: #F1E4E5;
  --color-200: #E3CACD;
  --color-300: #CCA4A8;
  --color-400: #B37F85;
  --color-500: #965F65;
  --color-600: #744E52;
  --color-700: #543B3E;
  --color-800: #38292B;
  --color-900: #231A1B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#FAF5F5',
    100: '#F1E4E5',
    200: '#E3CACD',
    300: '#CCA4A8',
    400: '#B37F85',
    500: '#965F65',
    600: '#744E52',
    700: '#543B3E',
    800: '#38292B',
    900: '#231A1B',
  },
}

$base: #331B1E;
$base-ink: #FFFFFF;
$base-50: #FAF5F5;
$base-100: #F1E4E5;
$base-200: #E3CACD;
$base-300: #CCA4A8;
$base-400: #B37F85;
$base-500: #965F65;
$base-600: #744E52;
$base-700: #543B3E;
$base-800: #38292B;
$base-900: #231A1B;
$base-hover: #281517;
$base-subtle: #CDAFB2;

{
    "color": {
        "base": {
            "value": "#331B1E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF5F5",
                "type": "color"
            },
            "100": {
                "value": "#F1E4E5",
                "type": "color"
            },
            "200": {
                "value": "#E3CACD",
                "type": "color"
            },
            "300": {
                "value": "#CCA4A8",
                "type": "color"
            },
            "400": {
                "value": "#B37F85",
                "type": "color"
            },
            "500": {
                "value": "#965F65",
                "type": "color"
            },
            "600": {
                "value": "#744E52",
                "type": "color"
            },
            "700": {
                "value": "#543B3E",
                "type": "color"
            },
            "800": {
                "value": "#38292B",
                "type": "color"
            },
            "900": {
                "value": "#231A1B",
                "type": "color"
            }
        }
    }
}