What color is #40031A?

#40031A is a very dark, vivid rose. In RGB it is rgb(64, 3, 26), and in HSL hsl(337, 91%, 13%).

Is #40031A accessible as text?

On white, #40031A has a contrast ratio of 16.85:1 (passes WCAG AA for body text); on black it is 1.25:1 (fails). For text placed on #40031A, use white for the best readability.

What is the closest Tailwind color to #40031A?

The nearest Tailwind CSS token is rose-950 (#4D0218).

What colors go well with #40031A?

#40031A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #033F28. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #40031A below.

Is #40031A good for buttons?

#40031A works well for buttons and highlights, but use white text on #40031A — black text only reaches 1.25:1, below the 4.5:1 needed for normal-size labels.

Is #40031A the same as CSS maroon?

No — #40031A 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.

#40031A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #40031A

Not just a swatch — here's how #40031A works with other colors. Named schemes with #40031A in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #40031A Secondary #7C482A Surface #EBD9C1 Accent #444F39 Anchor #5A2230

Oxblood 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 #40031A Secondary #B8622B Accent #7A7641 Surface #F5EBDD Anchor #3C2A21

This palette keeps Oxblood 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 #40031A Surface #F1E8DC Highlight #F7F1E7 Secondary #BCAEA0 Ink #2B2723

Oxblood 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 #40031A Anchor #141210 Accent #D39C4F Secondary #322527 Surface #F3EDE3

Oxblood 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 #40031A Secondary #523C41 Support #9B9087 Ink #17140F

Oxblood 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 Oxblood carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #40031A 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 69/100

Warm

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

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 75/100

High

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

Naturalness 40/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 78/100

High

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

Brand distinctiveness 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 22/100

Low

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

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #40031A

For UI

For branding

For interior

For fashion

People also use #40031A with

Byzantium Oxblood Sacramento Green Gainsboro 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 16.9:1. Use

Subtle surface Use #F0B6CC for cards and hover fills. Tint 80

Avoid beside #3F0306 — 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 #40031A 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: #40031A;
  --color-base-rgb: 64 3 26;
  --color-base-oklch: oklch(24.3% 0.092 5.0);
  --color-50: #FEF0F6;
  --color-100: #FDD8E6;
  --color-200: #FBB1CE;
  --color-300: #F27DAA;
  --color-400: #E44E87;
  --color-500: #CB2A68;
  --color-600: #9A2854;
  --color-700: #6C233F;
  --color-800: #461B2B;
  --color-900: #2B121C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  oxblood: {
    50: '#FEF0F6',
    100: '#FDD8E6',
    200: '#FBB1CE',
    300: '#F27DAA',
    400: '#E44E87',
    500: '#CB2A68',
    600: '#9A2854',
    700: '#6C233F',
    800: '#461B2B',
    900: '#2B121C',
  },
}

$base: #40031A;
$base-ink: #FFFFFF;
$base-50: #FEF0F6;
$base-100: #FDD8E6;
$base-200: #FBB1CE;
$base-300: #F27DAA;
$base-400: #E44E87;
$base-500: #CB2A68;
$base-600: #9A2854;
$base-700: #6C233F;
$base-800: #461B2B;
$base-900: #2B121C;
$base-hover: #330215;
$base-subtle: #EA8EB2;

{
    "color": {
        "base": {
            "value": "#40031A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0F6",
                "type": "color"
            },
            "100": {
                "value": "#FDD8E6",
                "type": "color"
            },
            "200": {
                "value": "#FBB1CE",
                "type": "color"
            },
            "300": {
                "value": "#F27DAA",
                "type": "color"
            },
            "400": {
                "value": "#E44E87",
                "type": "color"
            },
            "500": {
                "value": "#CB2A68",
                "type": "color"
            },
            "600": {
                "value": "#9A2854",
                "type": "color"
            },
            "700": {
                "value": "#6C233F",
                "type": "color"
            },
            "800": {
                "value": "#461B2B",
                "type": "color"
            },
            "900": {
                "value": "#2B121C",
                "type": "color"
            }
        }
    }
}

Palettes built on #40031A

Color Lab

Pairs with #40031A

UI roles & guardrails

In real applications

Scales

Every model

Export