What color is #424B52?

#424B52 is a dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(66, 75, 82), and in HSL hsl(206, 11%, 29%).

Is #424B52 accessible as text?

On white, #424B52 has a contrast ratio of 8.90:1 (passes WCAG AA for body text); on black it is 2.36:1 (fails). For text placed on #424B52, use white for the best readability.

What is the closest Tailwind color to #424B52?

The nearest Tailwind CSS token is neutral-600 (#525252).

What colors go well with #424B52?

As a neutral, #424B52 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 #424B52 the same as CSS darkslategray?

No — #424B52 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.

#424B52 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #424B52

Not just a swatch — here's how #424B52 works with other colors. Named schemes with #424B52 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #424B52 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #646C73

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 #424B52 Secondary #7F4439 Surface #E2DDC0 Accent #385245 Anchor #57233C

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 #424B52 Anchor #3B2925 Surface #EAE5D0 Accent #7A9E77 Secondary #393933

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 #424B52 Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2A2823

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 #F6F4EF Accent #424B52 Secondary #6E7174 Support #969386 Ink #16140F

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 #424B52 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 45/100

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 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 58/100

Moderate

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

Brand distinctiveness 6/100

Very low

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

UI accent fit 41/100

Moderate

Workable accent with care around contrast.

Surface fit 53/100

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 #424B52

For UI

For branding

For interior

For fashion

People also use #424B52 with

Dim Gray Charcoal Outer Space Gainsboro

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 8.9:1. Use

Subtle surface Use #D8DBDE for cards and hover fills. Tint 80

Avoid beside #424652 — 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 #424B52 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: #424B52;
  --color-base-rgb: 66 75 82;
  --color-base-oklch: oklch(40.7% 0.017 241.3);
  --color-50: #F6F7F8;
  --color-100: #E8EBED;
  --color-200: #D2D7DB;
  --color-300: #B1B9BF;
  --color-400: #909AA2;
  --color-500: #717C84;
  --color-600: #5A6268;
  --color-700: #43484C;
  --color-800: #2E3133;
  --color-900: #1D1F20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  outer-space: {
    50: '#F6F7F8',
    100: '#E8EBED',
    200: '#D2D7DB',
    300: '#B1B9BF',
    400: '#909AA2',
    500: '#717C84',
    600: '#5A6268',
    700: '#43484C',
    800: '#2E3133',
    900: '#1D1F20',
  },
}

$base: #424B52;
$base-ink: #FFFFFF;
$base-50: #F6F7F8;
$base-100: #E8EBED;
$base-200: #D2D7DB;
$base-300: #B1B9BF;
$base-400: #909AA2;
$base-500: #717C84;
$base-600: #5A6268;
$base-700: #43484C;
$base-800: #2E3133;
$base-900: #1D1F20;
$base-hover: #353C42;
$base-subtle: #C4C9CD;

{
    "color": {
        "base": {
            "value": "#424B52",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F7F8",
                "type": "color"
            },
            "100": {
                "value": "#E8EBED",
                "type": "color"
            },
            "200": {
                "value": "#D2D7DB",
                "type": "color"
            },
            "300": {
                "value": "#B1B9BF",
                "type": "color"
            },
            "400": {
                "value": "#909AA2",
                "type": "color"
            },
            "500": {
                "value": "#717C84",
                "type": "color"
            },
            "600": {
                "value": "#5A6268",
                "type": "color"
            },
            "700": {
                "value": "#43484C",
                "type": "color"
            },
            "800": {
                "value": "#2E3133",
                "type": "color"
            },
            "900": {
                "value": "#1D1F20",
                "type": "color"
            }
        }
    }
}

Palettes built on #424B52

Color Lab

Pairs with #424B52

UI roles & guardrails

In real applications

Scales

Every model

Export