What color is #36393F?

#36393F is a dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(54, 57, 63), and in HSL hsl(220, 8%, 23%).

Is #36393F accessible as text?

On white, #36393F has a contrast ratio of 11.58:1 (passes WCAG AA for body text); on black it is 1.81:1 (fails). For text placed on #36393F, use white for the best readability.

What is the closest Tailwind color to #36393F?

The nearest Tailwind CSS token is zinc-700 (#3F3F46).

What colors go well with #36393F?

As a neutral, #36393F 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 #36393F the same as CSS darkslategray?

No — #36393F 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.

#36393F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #36393F

Not just a swatch — here's how #36393F works with other colors. Named schemes with #36393F in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #36393F Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #56595F

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

Vintage Leather Lead · 5 colors

Lead #36393F Secondary #7F4536 Surface #EED7C2 Accent #365246 Anchor #57223A

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

Japanese Sand Base · 5 colors

Base #36393F Surface #EBEADD Highlight #F4F2E7 Secondary #BEACA2 Ink #2C2724

Onyx 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.

Coastal Morning Lead · 5 colors

Lead #36393F Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #36393F Secondary #5E5F61 Support #9D8F88 Ink #18140F

Onyx 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 Onyx carrying the quiet middle.

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Color Lab

How #36393F 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 37/100

Low

Middle-weight — neither delicate nor heavy.

Depth 61/100

High

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 25/100

Low

A faint retro warmth without tipping into sepia.

Luxury 63/100

High

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

Brand distinctiveness 4/100

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 59/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 98/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #36393F

For UI

For branding

For interior

For fashion

People also use #36393F with

Iron Gray Onyx Taupe Gainsboro 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 11.6:1. Use

Subtle surface Use #D5D7DA for cards and hover fills. Tint 80

Avoid beside #36363F — 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 #36393F 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: #36393F;
  --color-base-rgb: 54 57 63;
  --color-base-oklch: oklch(34.4% 0.011 264.4);
  --color-50: #F7F7F8;
  --color-100: #E9EAEC;
  --color-200: #D3D5D9;
  --color-300: #B2B6BD;
  --color-400: #9297A0;
  --color-500: #737881;
  --color-600: #5C5F66;
  --color-700: #44464B;
  --color-800: #2F3032;
  --color-900: #1D1E20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  onyx: {
    50: '#F7F7F8',
    100: '#E9EAEC',
    200: '#D3D5D9',
    300: '#B2B6BD',
    400: '#9297A0',
    500: '#737881',
    600: '#5C5F66',
    700: '#44464B',
    800: '#2F3032',
    900: '#1D1E20',
  },
}

$base: #36393F;
$base-ink: #FFFFFF;
$base-50: #F7F7F8;
$base-100: #E9EAEC;
$base-200: #D3D5D9;
$base-300: #B2B6BD;
$base-400: #9297A0;
$base-500: #737881;
$base-600: #5C5F66;
$base-700: #44464B;
$base-800: #2F3032;
$base-900: #1D1E20;
$base-hover: #2B2E33;
$base-subtle: #C1C3C8;

{
    "color": {
        "base": {
            "value": "#36393F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F7F8",
                "type": "color"
            },
            "100": {
                "value": "#E9EAEC",
                "type": "color"
            },
            "200": {
                "value": "#D3D5D9",
                "type": "color"
            },
            "300": {
                "value": "#B2B6BD",
                "type": "color"
            },
            "400": {
                "value": "#9297A0",
                "type": "color"
            },
            "500": {
                "value": "#737881",
                "type": "color"
            },
            "600": {
                "value": "#5C5F66",
                "type": "color"
            },
            "700": {
                "value": "#44464B",
                "type": "color"
            },
            "800": {
                "value": "#2F3032",
                "type": "color"
            },
            "900": {
                "value": "#1D1E20",
                "type": "color"
            }
        }
    }
}