What color is #1F3734?

#1F3734 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(31, 55, 52), and in HSL hsl(173, 28%, 17%).

Is #1F3734 accessible as text?

On white, #1F3734 has a contrast ratio of 12.69:1 (passes WCAG AA for body text); on black it is 1.65:1 (fails). For text placed on #1F3734, use white for the best readability.

What is the closest Tailwind color to #1F3734?

The nearest Tailwind CSS token is zinc-800 (#27272A).

What colors go well with #1F3734?

As a neutral, #1F3734 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 #1F3734 the same as CSS darkslategray?

No — #1F3734 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.

#1F3734 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1F3734

Not just a swatch — here's how #1F3734 works with other colors. Named schemes with #1F3734 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #1F3734 Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

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 #1F3734 Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 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 #1F3734 Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #5B241D

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 #1F3734 Anchor #141210 Accent #BAA94D Secondary #1E2C2A 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 #F7F4EF Accent #1F3734 Secondary #515958 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 #1F3734 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 43/100

Neutral

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 65/100

High

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

Naturalness 11/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

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

Brand distinctiveness 12/100

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 55/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1F3734

For UI

For branding

For interior

For fashion

People also use #1F3734 with

Brunswick Green Gunmetal Gray Bistre 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 12.7:1. Use

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

Avoid beside #1F3237 — 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 #1F3734 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: #1F3734;
  --color-base-rgb: 31 55 52;
  --color-base-oklch: oklch(31.6% 0.031 185.7);
  --color-50: #F5FAF9;
  --color-100: #E5F1EF;
  --color-200: #CBE2DF;
  --color-300: #A6CAC5;
  --color-400: #82B0AB;
  --color-500: #62938D;
  --color-600: #4F726E;
  --color-700: #3C5350;
  --color-800: #2A3736;
  --color-900: #1B2222;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F5FAF9',
    100: '#E5F1EF',
    200: '#CBE2DF',
    300: '#A6CAC5',
    400: '#82B0AB',
    500: '#62938D',
    600: '#4F726E',
    700: '#3C5350',
    800: '#2A3736',
    900: '#1B2222',
  },
}

$base: #1F3734;
$base-ink: #FFFFFF;
$base-50: #F5FAF9;
$base-100: #E5F1EF;
$base-200: #CBE2DF;
$base-300: #A6CAC5;
$base-400: #82B0AB;
$base-500: #62938D;
$base-600: #4F726E;
$base-700: #3C5350;
$base-800: #2A3736;
$base-900: #1B2222;
$base-hover: #192C2A;
$base-subtle: #B2CDCA;

{
    "color": {
        "base": {
            "value": "#1F3734",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5FAF9",
                "type": "color"
            },
            "100": {
                "value": "#E5F1EF",
                "type": "color"
            },
            "200": {
                "value": "#CBE2DF",
                "type": "color"
            },
            "300": {
                "value": "#A6CAC5",
                "type": "color"
            },
            "400": {
                "value": "#82B0AB",
                "type": "color"
            },
            "500": {
                "value": "#62938D",
                "type": "color"
            },
            "600": {
                "value": "#4F726E",
                "type": "color"
            },
            "700": {
                "value": "#3C5350",
                "type": "color"
            },
            "800": {
                "value": "#2A3736",
                "type": "color"
            },
            "900": {
                "value": "#1B2222",
                "type": "color"
            }
        }
    }
}