What color is #2D3142?

#2D3142 is a dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(45, 49, 66), and in HSL hsl(229, 19%, 22%).

Is #2D3142 accessible as text?

On white, #2D3142 has a contrast ratio of 12.89:1 (passes WCAG AA for body text); on black it is 1.63:1 (fails). For text placed on #2D3142, use white for the best readability.

What is the closest Tailwind color to #2D3142?

The nearest Tailwind CSS token is slate-800 (#1D293D).

What colors go well with #2D3142?

As a neutral, #2D3142 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 #2D3142 the same as CSS darkslategray?

No — #2D3142 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.

#2D3142 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2D3142

Not just a swatch — here's how #2D3142 works with other colors. Named schemes with #2D3142 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #2D3142 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 #2D3142 Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 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 #2D3142 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #4D5161

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 #2D3142 Secondary #7F4535 Surface #EED7C2 Accent #365247 Anchor #582239

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 #2D3142 Secondary #55575D Support #9D9088 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.

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Color Lab

How #2D3142 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 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 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 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2D3142

For UI

For branding

For interior

For fashion

People also use #2D3142 with

Dark Slate Gray 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 12.9:1. Use

Subtle surface Use #D2D4DD for cards and hover fills. Tint 80

Avoid beside #312D43 — 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 #2D3142 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: #2D3142;
  --color-base-rgb: 45 49 66;
  --color-base-oklch: oklch(31.7% 0.031 274.2);
  --color-50: #F6F6F9;
  --color-100: #E7E8EF;
  --color-200: #CED1DE;
  --color-300: #ABB0C4;
  --color-400: #898FA9;
  --color-500: #6A708B;
  --color-600: #55596D;
  --color-700: #40434F;
  --color-800: #2C2E35;
  --color-900: #1C1D21;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F6F6F9',
    100: '#E7E8EF',
    200: '#CED1DE',
    300: '#ABB0C4',
    400: '#898FA9',
    500: '#6A708B',
    600: '#55596D',
    700: '#40434F',
    800: '#2C2E35',
    900: '#1C1D21',
  },
}

$base: #2D3142;
$base-ink: #FFFFFF;
$base-50: #F6F6F9;
$base-100: #E7E8EF;
$base-200: #CED1DE;
$base-300: #ABB0C4;
$base-400: #898FA9;
$base-500: #6A708B;
$base-600: #55596D;
$base-700: #40434F;
$base-800: #2C2E35;
$base-900: #1C1D21;
$base-hover: #242735;
$base-subtle: #BBBECC;

{
    "color": {
        "base": {
            "value": "#2D3142",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F6F9",
                "type": "color"
            },
            "100": {
                "value": "#E7E8EF",
                "type": "color"
            },
            "200": {
                "value": "#CED1DE",
                "type": "color"
            },
            "300": {
                "value": "#ABB0C4",
                "type": "color"
            },
            "400": {
                "value": "#898FA9",
                "type": "color"
            },
            "500": {
                "value": "#6A708B",
                "type": "color"
            },
            "600": {
                "value": "#55596D",
                "type": "color"
            },
            "700": {
                "value": "#40434F",
                "type": "color"
            },
            "800": {
                "value": "#2C2E35",
                "type": "color"
            },
            "900": {
                "value": "#1C1D21",
                "type": "color"
            }
        }
    }
}