What color is #313447?

#313447 is a dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(49, 52, 71), and in HSL hsl(232, 18%, 24%).

Is #313447 accessible as text?

On white, #313447 has a contrast ratio of 12.26:1 (passes WCAG AA for body text); on black it is 1.71:1 (fails). For text placed on #313447, use white for the best readability.

What is the closest Tailwind color to #313447?

The nearest Tailwind CSS token is gray-700 (#364153).

What colors go well with #313447?

As a neutral, #313447 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 #313447 the same as CSS darkslategray?

No — #313447 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.

#313447 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #313447

Not just a swatch — here's how #313447 works with other colors. Named schemes with #313447 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #313447 Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

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 #313447 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.

Vintage Leather Lead · 5 colors

Lead #313447 Secondary #7F4534 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.

Luxury Packaging Feature · 5 colors

Feature #313447 Anchor #141210 Accent #DC9758 Secondary #262833 Surface #F3ECE3

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 #F8F4EF Accent #313447 Secondary #595A62 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.

Build a working theme in the generator →

Color Lab

How #313447 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 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 13/100

Very low

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

UI accent fit 32/100

Low

Workable accent with care around contrast.

Surface fit 53/100

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 #313447

For UI

For branding

For interior

For fashion

People also use #313447 with

Iron Gray Onyx 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 12.3:1. Use

Subtle surface Use #D3D5DD for cards and hover fills. Tint 80

Avoid beside #373248 — 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 #313447 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #313447;
  --color-base-rgb: 49 52 71;
  --color-base-oklch: oklch(33.0% 0.034 277.4);
  --color-50: #F6F6F9;
  --color-100: #E7E8EE;
  --color-200: #CFD1DE;
  --color-300: #ACAFC3;
  --color-400: #8A8EA8;
  --color-500: #6B6F8A;
  --color-600: #56596C;
  --color-700: #40424F;
  --color-800: #2C2D35;
  --color-900: #1C1D21;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F6F6F9',
    100: '#E7E8EE',
    200: '#CFD1DE',
    300: '#ACAFC3',
    400: '#8A8EA8',
    500: '#6B6F8A',
    600: '#56596C',
    700: '#40424F',
    800: '#2C2D35',
    900: '#1C1D21',
  },
}

$base: #313447;
$base-ink: #FFFFFF;
$base-50: #F6F6F9;
$base-100: #E7E8EE;
$base-200: #CFD1DE;
$base-300: #ACAFC3;
$base-400: #8A8EA8;
$base-500: #6B6F8A;
$base-600: #56596C;
$base-700: #40424F;
$base-800: #2C2D35;
$base-900: #1C1D21;
$base-hover: #282A3A;
$base-subtle: #BDBFCD;

{
    "color": {
        "base": {
            "value": "#313447",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F6F9",
                "type": "color"
            },
            "100": {
                "value": "#E7E8EE",
                "type": "color"
            },
            "200": {
                "value": "#CFD1DE",
                "type": "color"
            },
            "300": {
                "value": "#ACAFC3",
                "type": "color"
            },
            "400": {
                "value": "#8A8EA8",
                "type": "color"
            },
            "500": {
                "value": "#6B6F8A",
                "type": "color"
            },
            "600": {
                "value": "#56596C",
                "type": "color"
            },
            "700": {
                "value": "#40424F",
                "type": "color"
            },
            "800": {
                "value": "#2C2D35",
                "type": "color"
            },
            "900": {
                "value": "#1C1D21",
                "type": "color"
            }
        }
    }
}