What color is #27353B?

#27353B is a dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(39, 53, 59), and in HSL hsl(198, 20%, 19%).

Is #27353B accessible as text?

On white, #27353B has a contrast ratio of 12.66:1 (passes WCAG AA for body text); on black it is 1.66:1 (fails). For text placed on #27353B, use white for the best readability.

What is the closest Tailwind color to #27353B?

The nearest Tailwind CSS token is gray-800 (#1E2939).

What colors go well with #27353B?

As a neutral, #27353B 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 #27353B the same as CSS darkslategray?

No — #27353B 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.

#27353B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #27353B

Not just a swatch — here's how #27353B works with other colors. Named schemes with #27353B in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #27353B Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1E344A

Gunmetal Gray opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Tech Product Signal · 5 colors

Signal #27353B Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #47555A

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

Nordic Calm Accent · 5 colors

Accent #27353B Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A5 Anchor #2E3236

Gunmetal Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #27353B Secondary #6F5116 Surface #E2DCC0 Accent #385244 Anchor #56233D

Gunmetal 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #27353B Secondary #54595B Support #969386 Ink #16140F

Gunmetal 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 Gunmetal Gray carrying the quiet middle.

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Color Lab

How #27353B 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 44/100

Neutral

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 64/100

High

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 25/100

Low

Clean and current — no dusty, aged cast.

Luxury 65/100

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 26/100

Low

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

Surface fit 58/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #27353B

For UI

For branding

For interior

For fashion

People also use #27353B with

Dark Slate Gray Gunmetal Gray Bistre Platinum Charcoal

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 12.7:1. Use

Subtle surface Use #D0D8DC for cards and hover fills. Tint 80

Avoid beside #272E3A — 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 #27353B 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: #27353B;
  --color-base-rgb: 39 53 59;
  --color-base-oklch: oklch(31.9% 0.021 226.0);
  --color-50: #F6F8F9;
  --color-100: #E6ECEF;
  --color-200: #CED9DE;
  --color-300: #ABBDC5;
  --color-400: #88A0AA;
  --color-500: #69818C;
  --color-600: #54666D;
  --color-700: #3F4B4F;
  --color-800: #2C3235;
  --color-900: #1C2021;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F6F8F9',
    100: '#E6ECEF',
    200: '#CED9DE',
    300: '#ABBDC5',
    400: '#88A0AA',
    500: '#69818C',
    600: '#54666D',
    700: '#3F4B4F',
    800: '#2C3235',
    900: '#1C2021',
  },
}

$base: #27353B;
$base-ink: #FFFFFF;
$base-50: #F6F8F9;
$base-100: #E6ECEF;
$base-200: #CED9DE;
$base-300: #ABBDC5;
$base-400: #88A0AA;
$base-500: #69818C;
$base-600: #54666D;
$base-700: #3F4B4F;
$base-800: #2C3235;
$base-900: #1C2021;
$base-hover: #1F2A2F;
$base-subtle: #B8C5CA;

{
    "color": {
        "base": {
            "value": "#27353B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F8F9",
                "type": "color"
            },
            "100": {
                "value": "#E6ECEF",
                "type": "color"
            },
            "200": {
                "value": "#CED9DE",
                "type": "color"
            },
            "300": {
                "value": "#ABBDC5",
                "type": "color"
            },
            "400": {
                "value": "#88A0AA",
                "type": "color"
            },
            "500": {
                "value": "#69818C",
                "type": "color"
            },
            "600": {
                "value": "#54666D",
                "type": "color"
            },
            "700": {
                "value": "#3F4B4F",
                "type": "color"
            },
            "800": {
                "value": "#2C3235",
                "type": "color"
            },
            "900": {
                "value": "#1C2021",
                "type": "color"
            }
        }
    }
}