What color is #405443?

#405443 is a dark, muted green. In RGB it is rgb(64, 84, 67), and in HSL hsl(129, 14%, 29%).

Is #405443 accessible as text?

On white, #405443 has a contrast ratio of 8.18:1 (passes WCAG AA for body text); on black it is 2.57:1 (fails). For text placed on #405443, use white for the best readability.

What is the closest Tailwind color to #405443?

The nearest Tailwind CSS token is olive-700 (#474739).

What colors go well with #405443?

#405443 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #544051. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #405443 below.

Is #405443 good for buttons?

#405443 works well for buttons and highlights, but use white text on #405443 — black text only reaches 2.57:1, below the 4.5:1 needed for normal-size labels.

Is #405443 the same as CSS darkslategray?

No — #405443 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.

#405443 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #405443

Not just a swatch — here's how #405443 works with other colors. Named schemes with #405443 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #405443 Secondary #4B6C3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Dark Slate Gray leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Vintage Leather Lead · 5 colors

Lead #405443 Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

Dark Slate Gray plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #405443 Anchor #392B1E Surface #EDE4D0 Accent #879B6D Secondary #3A3833

Dark Slate Gray anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Japanese Sand Base · 5 colors

Base #405443 Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Dark Slate Gray 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 #405443 Secondary #707871 Support #989286 Ink #17140F

Dark Slate Gray 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 Dark Slate Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #405443 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 48/100

Neutral

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

Softness 43/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 55/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 49/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 58/100

Moderate

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 53/100

Moderate

Workable accent with care around contrast.

Surface fit 46/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #405443

For UI

For branding

For interior

For fashion

People also use #405443 with

Dark Olive Green Dark Slate Gray Eggplant Platinum

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 8.2:1. Use

Subtle surface Use #D7DED8 for cards and hover fills. Tint 80

Avoid beside #40544A — 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 #405443 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: #405443;
  --color-base-rgb: 64 84 67;
  --color-base-oklch: oklch(42.4% 0.037 149.0);
  --color-50: #F6F9F7;
  --color-100: #E8EEE8;
  --color-200: #D1DCD2;
  --color-300: #AFC1B1;
  --color-400: #8DA591;
  --color-500: #6E8772;
  --color-600: #586A5B;
  --color-700: #424D43;
  --color-800: #2D342E;
  --color-900: #1D201D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F6F9F7',
    100: '#E8EEE8',
    200: '#D1DCD2',
    300: '#AFC1B1',
    400: '#8DA591',
    500: '#6E8772',
    600: '#586A5B',
    700: '#424D43',
    800: '#2D342E',
    900: '#1D201D',
  },
}

$base: #405443;
$base-ink: #FFFFFF;
$base-50: #F6F9F7;
$base-100: #E8EEE8;
$base-200: #D1DCD2;
$base-300: #AFC1B1;
$base-400: #8DA591;
$base-500: #6E8772;
$base-600: #586A5B;
$base-700: #424D43;
$base-800: #2D342E;
$base-900: #1D201D;
$base-hover: #334335;
$base-subtle: #C3CEC5;

{
    "color": {
        "base": {
            "value": "#405443",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F7",
                "type": "color"
            },
            "100": {
                "value": "#E8EEE8",
                "type": "color"
            },
            "200": {
                "value": "#D1DCD2",
                "type": "color"
            },
            "300": {
                "value": "#AFC1B1",
                "type": "color"
            },
            "400": {
                "value": "#8DA591",
                "type": "color"
            },
            "500": {
                "value": "#6E8772",
                "type": "color"
            },
            "600": {
                "value": "#586A5B",
                "type": "color"
            },
            "700": {
                "value": "#424D43",
                "type": "color"
            },
            "800": {
                "value": "#2D342E",
                "type": "color"
            },
            "900": {
                "value": "#1D201D",
                "type": "color"
            }
        }
    }
}

Palettes built on #405443

Color Lab

Pairs with #405443

UI roles & guardrails

In real applications

Scales

Every model

Export