What color is #163333?

#163333 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(22, 51, 51), and in HSL hsl(180, 40%, 14%).

Is #163333 accessible as text?

On white, #163333 has a contrast ratio of 13.50:1 (passes WCAG AA for body text); on black it is 1.56:1 (fails). For text placed on #163333, use white for the best readability.

What is the closest Tailwind color to #163333?

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

What colors go well with #163333?

As a neutral, #163333 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 #163333 the same as CSS darkslategray?

No — #163333 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.

#163333 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #163333

Not just a swatch — here's how #163333 works with other colors. Named schemes with #163333 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #163333 Accent #A6C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1D3549

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

Nordic Calm Accent · 5 colors

Accent #163333 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A4 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 #163333 Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552340

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.

Luxury Packaging Feature · 5 colors

Feature #163333 Anchor #141210 Accent #B8AA4D Secondary #1D2C2C Surface #F1EDE3

Gunmetal Gray carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #163333 Secondary #4B5454 Support #979286 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 #163333 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 41/100

Neutral

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

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

Naturalness 7/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 28/100

Low

A faint retro warmth without tipping into sepia.

Luxury 68/100

High

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

Brand distinctiveness 13/100

Very low

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

UI accent fit 25/100

Low

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

Surface fit 55/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #163333

For UI

For branding

For interior

For fashion

People also use #163333 with

Brunswick Green Graphite Platinum Dark Slate Gray

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 13.5:1. Use

Subtle surface Use #C7E0E0 for cards and hover fills. Tint 80

Avoid beside #152832 — 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 #163333 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: #163333;
  --color-base-rgb: 22 51 51;
  --color-base-oklch: oklch(29.9% 0.035 195.4);
  --color-50: #F4FBFB;
  --color-100: #E2F3F3;
  --color-200: #C6E6E6;
  --color-300: #9ED1D1;
  --color-400: #78BABA;
  --color-500: #579E9E;
  --color-600: #487A7A;
  --color-700: #375858;
  --color-800: #273A3A;
  --color-900: #192424;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F4FBFB',
    100: '#E2F3F3',
    200: '#C6E6E6',
    300: '#9ED1D1',
    400: '#78BABA',
    500: '#579E9E',
    600: '#487A7A',
    700: '#375858',
    800: '#273A3A',
    900: '#192424',
  },
}

$base: #163333;
$base-ink: #FFFFFF;
$base-50: #F4FBFB;
$base-100: #E2F3F3;
$base-200: #C6E6E6;
$base-300: #9ED1D1;
$base-400: #78BABA;
$base-500: #579E9E;
$base-600: #487A7A;
$base-700: #375858;
$base-800: #273A3A;
$base-900: #192424;
$base-hover: #112828;
$base-subtle: #A9D1D1;

{
    "color": {
        "base": {
            "value": "#163333",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBFB",
                "type": "color"
            },
            "100": {
                "value": "#E2F3F3",
                "type": "color"
            },
            "200": {
                "value": "#C6E6E6",
                "type": "color"
            },
            "300": {
                "value": "#9ED1D1",
                "type": "color"
            },
            "400": {
                "value": "#78BABA",
                "type": "color"
            },
            "500": {
                "value": "#579E9E",
                "type": "color"
            },
            "600": {
                "value": "#487A7A",
                "type": "color"
            },
            "700": {
                "value": "#375858",
                "type": "color"
            },
            "800": {
                "value": "#273A3A",
                "type": "color"
            },
            "900": {
                "value": "#192424",
                "type": "color"
            }
        }
    }
}