What color is #394640?

#394640 is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(57, 70, 64), and in HSL hsl(152, 10%, 25%).

Is #394640 accessible as text?

On white, #394640 has a contrast ratio of 9.89:1 (passes WCAG AA for body text); on black it is 2.12:1 (fails). For text placed on #394640, use white for the best readability.

What is the closest Tailwind color to #394640?

The nearest Tailwind CSS token is neutral-700 (#404040).

What colors go well with #394640?

As a neutral, #394640 pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #394640 the same as CSS darkslategray?

No — #394640 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.

#394640 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #394640

Not just a swatch — here's how #394640 works with other colors. Named schemes with #394640 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #394640 Surface #13161A Highlight #F4F6F8 Secondary #586771 Accent #5A6761

Outer Space is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Outer Space.

Vintage Leather Lead · 5 colors

Lead #394640 Secondary #744F1A Surface #E5DBC0 Accent #3B5141 Anchor #5B2320

Outer Space 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 #394640 Anchor #382B1E Surface #ECE4D0 Accent #849B6F Secondary #3A3833

Outer Space 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 #394640 Surface #EDEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2A2723

Outer Space 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 #394640 Secondary #666A68 Support #989286 Ink #17140F

Outer Space 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 Outer Space carrying the quiet middle.

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Color Lab

How #394640 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 47/100

Neutral

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

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 58/100

Moderate

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

Naturalness 21/100

Low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 60/100

High

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

Brand distinctiveness 8/100

Very low

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

UI accent fit 38/100

Low

Workable accent with care around contrast.

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 #394640

For UI

For branding

For interior

For fashion

People also use #394640 with

Feldgrau Charcoal Taupe Platinum Outer Space

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 9.9:1. Use

Subtle surface Use #D6DCD9 for cards and hover fills. Tint 80

Avoid beside #394644 — 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 #394640 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #394640;
  --color-base-rgb: 57 70 64;
  --color-base-oklch: oklch(38.1% 0.020 165.7);
  --color-50: #F7F8F7;
  --color-100: #E8EDEB;
  --color-200: #D2DAD6;
  --color-300: #B1BEB8;
  --color-400: #91A19A;
  --color-500: #72837B;
  --color-600: #5B6761;
  --color-700: #434B48;
  --color-800: #2E3331;
  --color-900: #1D201F;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  outer-space: {
    50: '#F7F8F7',
    100: '#E8EDEB',
    200: '#D2DAD6',
    300: '#B1BEB8',
    400: '#91A19A',
    500: '#72837B',
    600: '#5B6761',
    700: '#434B48',
    800: '#2E3331',
    900: '#1D201F',
  },
}

$base: #394640;
$base-ink: #FFFFFF;
$base-50: #F7F8F7;
$base-100: #E8EDEB;
$base-200: #D2DAD6;
$base-300: #B1BEB8;
$base-400: #91A19A;
$base-500: #72837B;
$base-600: #5B6761;
$base-700: #434B48;
$base-800: #2E3331;
$base-900: #1D201F;
$base-hover: #2E3833;
$base-subtle: #C1CAC6;

{
    "color": {
        "base": {
            "value": "#394640",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F8F7",
                "type": "color"
            },
            "100": {
                "value": "#E8EDEB",
                "type": "color"
            },
            "200": {
                "value": "#D2DAD6",
                "type": "color"
            },
            "300": {
                "value": "#B1BEB8",
                "type": "color"
            },
            "400": {
                "value": "#91A19A",
                "type": "color"
            },
            "500": {
                "value": "#72837B",
                "type": "color"
            },
            "600": {
                "value": "#5B6761",
                "type": "color"
            },
            "700": {
                "value": "#434B48",
                "type": "color"
            },
            "800": {
                "value": "#2E3331",
                "type": "color"
            },
            "900": {
                "value": "#1D201F",
                "type": "color"
            }
        }
    }
}

Palettes built on #394640

Color Lab

Pairs with #394640

UI roles & guardrails

In real applications

Scales

Every model

Export