What color is #40282F?

#40282F is a dark, muted rose. In RGB it is rgb(64, 40, 47), and in HSL hsl(343, 23%, 20%).

Is #40282F accessible as text?

On white, #40282F has a contrast ratio of 13.44:1 (passes WCAG AA for body text); on black it is 1.56:1 (fails). For text placed on #40282F, use white for the best readability.

What is the closest Tailwind color to #40282F?

The nearest Tailwind CSS token is olive-800 (#2B2B22).

What colors go well with #40282F?

#40282F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #273F38. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #40282F below.

Is #40282F good for buttons?

#40282F works well for buttons and highlights, but use white text on #40282F — black text only reaches 1.56:1, below the 4.5:1 needed for normal-size labels.

Is #40282F the same as CSS darkslategray?

No — #40282F is not the CSS named color darkslategray, but darkslategray (#2F4F4F) 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.

#40282F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #40282F

Not just a swatch — here's how #40282F works with other colors. Named schemes with #40282F in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #40282F Secondary #7C482A Surface #EBD9C1 Accent #444F39 Anchor #5A2231

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.

Warm Autumn Interior Dominant · 5 colors

Dominant #40282F Secondary #B9612D Accent #7B7641 Surface #F5EBDD Anchor #3C2A21

This palette keeps Bistre 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 #40282F Surface #F1E8DC Highlight #F7F1E7 Secondary #BCAEA0 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.

Luxury Packaging Feature · 5 colors

Feature #40282F Anchor #141210 Accent #D39C4F Secondary #322528 Surface #F3EDE3

Bistre 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 #40282F Secondary #5C5254 Support #9B9087 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 #40282F 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 57/100

Neutral

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 66/100

High

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

Naturalness 15/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 68/100

High

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

Brand distinctiveness 14/100

Very low

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

UI accent fit 28/100

Low

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

Surface fit 54/100

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 #40282F

For UI

For branding

For interior

For fashion

People also use #40282F with

Eggplant Bistre Onyx 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 13.4:1. Use

Subtle surface Use #DDCFD3 for cards and hover fills. Tint 80

Avoid beside #3F2827 — 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 #40282F at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #40282F;
  --color-base-rgb: 64 40 47;
  --color-base-oklch: oklch(30.9% 0.038 0.5);
  --color-50: #F9F5F7;
  --color-100: #F0E6E8;
  --color-200: #E0CDD2;
  --color-300: #C6A9B1;
  --color-400: #AC8691;
  --color-500: #8F6672;
  --color-600: #6F535B;
  --color-700: #513E43;
  --color-800: #362B2E;
  --color-900: #221B1D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#F9F5F7',
    100: '#F0E6E8',
    200: '#E0CDD2',
    300: '#C6A9B1',
    400: '#AC8691',
    500: '#8F6672',
    600: '#6F535B',
    700: '#513E43',
    800: '#362B2E',
    900: '#221B1D',
  },
}

$base: #40282F;
$base-ink: #FFFFFF;
$base-50: #F9F5F7;
$base-100: #F0E6E8;
$base-200: #E0CDD2;
$base-300: #C6A9B1;
$base-400: #AC8691;
$base-500: #8F6672;
$base-600: #6F535B;
$base-700: #513E43;
$base-800: #362B2E;
$base-900: #221B1D;
$base-hover: #321F25;
$base-subtle: #CCB7BD;

{
    "color": {
        "base": {
            "value": "#40282F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F5F7",
                "type": "color"
            },
            "100": {
                "value": "#F0E6E8",
                "type": "color"
            },
            "200": {
                "value": "#E0CDD2",
                "type": "color"
            },
            "300": {
                "value": "#C6A9B1",
                "type": "color"
            },
            "400": {
                "value": "#AC8691",
                "type": "color"
            },
            "500": {
                "value": "#8F6672",
                "type": "color"
            },
            "600": {
                "value": "#6F535B",
                "type": "color"
            },
            "700": {
                "value": "#513E43",
                "type": "color"
            },
            "800": {
                "value": "#362B2E",
                "type": "color"
            },
            "900": {
                "value": "#221B1D",
                "type": "color"
            }
        }
    }
}