What color is #253447?

#253447 is a dark, muted blue. In RGB it is rgb(37, 52, 71), and in HSL hsl(214, 31%, 21%).

Is #253447 accessible as text?

On white, #253447 has a contrast ratio of 12.64:1 (passes WCAG AA for body text); on black it is 1.66:1 (fails). For text placed on #253447, use white for the best readability.

What is the closest Tailwind color to #253447?

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

What colors go well with #253447?

#253447 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #463825. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #253447 below.

Is #253447 good for buttons?

#253447 works well for buttons and highlights, but use white text on #253447 — black text only reaches 1.66:1, below the 4.5:1 needed for normal-size labels.

Is #253447 the same as CSS darkslategray?

No — #253447 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#253447 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #253447

Not just a swatch — here's how #253447 works with other colors. Named schemes with #253447 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #253447 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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 #253447 Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 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 #253447 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #455466

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 #253447 Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57233B

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 #F6F4EF Accent #253447 Secondary #535960 Support #9D8F89 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.

Build a working theme in the generator →

Color Lab

How #253447 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 39/100

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 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

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

Brand distinctiveness 15/100

Very low

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

UI accent fit 31/100

Low

Workable accent with care around contrast.

Surface fit 52/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #253447

For UI

For branding

For interior

For fashion

People also use #253447 with

Feldgrau Russian Violet Espresso 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 12.6:1. Use

Subtle surface Use #CED6E0 for cards and hover fills. Tint 80

Avoid beside #252846 — 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 #253447 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: #253447;
  --color-base-rgb: 37 52 71;
  --color-base-oklch: oklch(32.1% 0.040 254.7);
  --color-50: #F5F7FA;
  --color-100: #E4EAF1;
  --color-200: #CAD5E3;
  --color-300: #A4B5CC;
  --color-400: #7F96B3;
  --color-500: #5F7796;
  --color-600: #4E5E74;
  --color-700: #3B4654;
  --color-800: #292F38;
  --color-900: #1A1E23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F5F7FA',
    100: '#E4EAF1',
    200: '#CAD5E3',
    300: '#A4B5CC',
    400: '#7F96B3',
    500: '#5F7796',
    600: '#4E5E74',
    700: '#3B4654',
    800: '#292F38',
    900: '#1A1E23',
  },
}

$base: #253447;
$base-ink: #FFFFFF;
$base-50: #F5F7FA;
$base-100: #E4EAF1;
$base-200: #CAD5E3;
$base-300: #A4B5CC;
$base-400: #7F96B3;
$base-500: #5F7796;
$base-600: #4E5E74;
$base-700: #3B4654;
$base-800: #292F38;
$base-900: #1A1E23;
$base-hover: #1E2938;
$base-subtle: #B4C1D1;

{
    "color": {
        "base": {
            "value": "#253447",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F7FA",
                "type": "color"
            },
            "100": {
                "value": "#E4EAF1",
                "type": "color"
            },
            "200": {
                "value": "#CAD5E3",
                "type": "color"
            },
            "300": {
                "value": "#A4B5CC",
                "type": "color"
            },
            "400": {
                "value": "#7F96B3",
                "type": "color"
            },
            "500": {
                "value": "#5F7796",
                "type": "color"
            },
            "600": {
                "value": "#4E5E74",
                "type": "color"
            },
            "700": {
                "value": "#3B4654",
                "type": "color"
            },
            "800": {
                "value": "#292F38",
                "type": "color"
            },
            "900": {
                "value": "#1A1E23",
                "type": "color"
            }
        }
    }
}