What color is #331B2D?

#331B2D is a very dark, muted magenta. In RGB it is rgb(51, 27, 45), and in HSL hsl(315, 31%, 15%).

Is #331B2D accessible as text?

On white, #331B2D has a contrast ratio of 15.73:1 (passes WCAG AA for body text); on black it is 1.34:1 (fails). For text placed on #331B2D, use white for the best readability.

What is the closest Tailwind color to #331B2D?

The nearest Tailwind CSS token is mauve-800 (#2A212C).

What colors go well with #331B2D?

#331B2D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1A3220. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #331B2D below.

Is #331B2D good for buttons?

#331B2D works well for buttons and highlights, but use white text on #331B2D — black text only reaches 1.34:1, below the 4.5:1 needed for normal-size labels.

Is #331B2D the same as CSS midnightblue?

No — #331B2D 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.

#331B2D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #331B2D

Not just a swatch — here's how #331B2D works with other colors. Named schemes with #331B2D in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #331B2D Secondary #7D472D Surface #ECD8C1 Accent #464F38 Anchor #592233

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.

Japanese Sand Base · 5 colors

Base #331B2D Surface #F1E8DC Highlight #F7F0E7 Secondary #BCADA0 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 #331B2D Anchor #141210 Accent #D69A52 Secondary #30252D 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 #331B2D Secondary #4E454C Support #9C9087 Ink #18140F

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.

Berry & Cream Lead · 5 colors

Lead #331B2D Surface #F4E6D7 Anchor #5D203C Accent #E6C2C5 Secondary #332B2E

Graphite sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Build a working theme in the generator →

Color Lab

How #331B2D 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 54/100

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 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 38/100

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 18/100

Very low

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

UI accent fit 20/100

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 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #331B2D

For UI

For branding

For interior

For fashion

People also use #331B2D with

Russian Violet Graphite Sacramento Green Gainsboro Eggplant

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 15.7:1. Use

Subtle surface Use #DDCAD8 for cards and hover fills. Tint 80

Avoid beside #321A24 — 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 #331B2D 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: #331B2D;
  --color-base-rgb: 51 27 45;
  --color-base-oklch: oklch(26.2% 0.048 336.7);
  --color-50: #FAF5F9;
  --color-100: #F1E4EE;
  --color-200: #E3CADC;
  --color-300: #CCA4C2;
  --color-400: #B37FA6;
  --color-500: #965F88;
  --color-600: #744E6B;
  --color-700: #543B4E;
  --color-800: #382934;
  --color-900: #231A21;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#FAF5F9',
    100: '#F1E4EE',
    200: '#E3CADC',
    300: '#CCA4C2',
    400: '#B37FA6',
    500: '#965F88',
    600: '#744E6B',
    700: '#543B4E',
    800: '#382934',
    900: '#231A21',
  },
}

$base: #331B2D;
$base-ink: #FFFFFF;
$base-50: #FAF5F9;
$base-100: #F1E4EE;
$base-200: #E3CADC;
$base-300: #CCA4C2;
$base-400: #B37FA6;
$base-500: #965F88;
$base-600: #744E6B;
$base-700: #543B4E;
$base-800: #382934;
$base-900: #231A21;
$base-hover: #281523;
$base-subtle: #CDAFC6;

{
    "color": {
        "base": {
            "value": "#331B2D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF5F9",
                "type": "color"
            },
            "100": {
                "value": "#F1E4EE",
                "type": "color"
            },
            "200": {
                "value": "#E3CADC",
                "type": "color"
            },
            "300": {
                "value": "#CCA4C2",
                "type": "color"
            },
            "400": {
                "value": "#B37FA6",
                "type": "color"
            },
            "500": {
                "value": "#965F88",
                "type": "color"
            },
            "600": {
                "value": "#744E6B",
                "type": "color"
            },
            "700": {
                "value": "#543B4E",
                "type": "color"
            },
            "800": {
                "value": "#382934",
                "type": "color"
            },
            "900": {
                "value": "#231A21",
                "type": "color"
            }
        }
    }
}