What color is #2D3549?

#2D3549 is a dark, muted blue. In RGB it is rgb(45, 53, 73), and in HSL hsl(223, 24%, 23%).

Is #2D3549 accessible as text?

On white, #2D3549 has a contrast ratio of 12.23:1 (passes WCAG AA for body text); on black it is 1.72:1 (fails). For text placed on #2D3549, use white for the best readability.

What is the closest Tailwind color to #2D3549?

The nearest Tailwind CSS token is cyan-950 (#053345).

What colors go well with #2D3549?

#2D3549 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #49412D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2D3549 below.

Is #2D3549 good for buttons?

#2D3549 works well for buttons and highlights, but use white text on #2D3549 — black text only reaches 1.72:1, below the 4.5:1 needed for normal-size labels.

Is #2D3549 the same as CSS darkslategray?

No — #2D3549 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#2D3549 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2D3549

Not just a swatch — here's how #2D3549 works with other colors. Named schemes with #2D3549 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #2D3549 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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 #2D3549 Secondary #AEB4B8 Surface #F1F2F0 Support #7D92A7 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.

Tech Product Signal · 5 colors

Signal #2D3549 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #4D5569

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.

Vintage Leather Lead · 5 colors

Lead #2D3549 Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #58223A

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 #F8F4EF Accent #2D3549 Secondary #585B63 Support #9D8F88 Ink #18140F

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.

Build a working theme in the generator →

Color Lab

How #2D3549 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 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 63/100

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 31/100

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 14/100

Very low

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

UI accent fit 33/100

Low

Workable accent with care around contrast.

Surface fit 52/100

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 #2D3549

For UI

For branding

For interior

For fashion

People also use #2D3549 with

Feldgrau Gunmetal Gray 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 12.2:1. Use

Subtle surface Use #D1D5DF for cards and hover fills. Tint 80

Avoid beside #2E2D49 — 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 #2D3549 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: #2D3549;
  --color-base-rgb: 45 53 73;
  --color-base-oklch: oklch(33.1% 0.037 267.5);
  --color-50: #F5F6F9;
  --color-100: #E5E8F0;
  --color-200: #CCD2E0;
  --color-300: #A8B1C7;
  --color-400: #8590AD;
  --color-500: #657190;
  --color-600: #525A70;
  --color-700: #3E4351;
  --color-800: #2B2E36;
  --color-900: #1B1D22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F5F6F9',
    100: '#E5E8F0',
    200: '#CCD2E0',
    300: '#A8B1C7',
    400: '#8590AD',
    500: '#657190',
    600: '#525A70',
    700: '#3E4351',
    800: '#2B2E36',
    900: '#1B1D22',
  },
}

$base: #2D3549;
$base-ink: #FFFFFF;
$base-50: #F5F6F9;
$base-100: #E5E8F0;
$base-200: #CCD2E0;
$base-300: #A8B1C7;
$base-400: #8590AD;
$base-500: #657190;
$base-600: #525A70;
$base-700: #3E4351;
$base-800: #2B2E36;
$base-900: #1B1D22;
$base-hover: #242A3A;
$base-subtle: #B9BFCF;

{
    "color": {
        "base": {
            "value": "#2D3549",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F6F9",
                "type": "color"
            },
            "100": {
                "value": "#E5E8F0",
                "type": "color"
            },
            "200": {
                "value": "#CCD2E0",
                "type": "color"
            },
            "300": {
                "value": "#A8B1C7",
                "type": "color"
            },
            "400": {
                "value": "#8590AD",
                "type": "color"
            },
            "500": {
                "value": "#657190",
                "type": "color"
            },
            "600": {
                "value": "#525A70",
                "type": "color"
            },
            "700": {
                "value": "#3E4351",
                "type": "color"
            },
            "800": {
                "value": "#2B2E36",
                "type": "color"
            },
            "900": {
                "value": "#1B1D22",
                "type": "color"
            }
        }
    }
}