What color is #2B2B31?

#2B2B31 is a dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(43, 43, 49), and in HSL hsl(240, 7%, 18%).

Is #2B2B31 accessible as text?

On white, #2B2B31 has a contrast ratio of 14.07:1 (passes WCAG AA for body text); on black it is 1.49:1 (fails). For text placed on #2B2B31, use white for the best readability.

What is the closest Tailwind color to #2B2B31?

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

What colors go well with #2B2B31?

As a neutral, #2B2B31 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 #2B2B31 the same as CSS darkslategray?

No — #2B2B31 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.

#2B2B31 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2B2B31

Not just a swatch — here's how #2B2B31 works with other colors. Named schemes with #2B2B31 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #2B2B31 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #4A4A50

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 #2B2B31 Secondary #7E4533 Surface #EDD8C2 Accent #365247 Anchor #582238

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.

Japanese Sand Base · 5 colors

Base #2B2B31 Surface #F2E8DD Highlight #F8F0E7 Secondary #BEADA2 Ink #2C2724

Gunmetal Gray sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #2B2B31 Anchor #141210 Accent #DB9757 Secondary #282833 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 #2B2B31 Secondary #505052 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 #2B2B31 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 48/100

Neutral

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 66/100

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 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 67/100

High

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

Brand distinctiveness 4/100

Very low

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

UI accent fit 19/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 63/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 98/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2B2B31

For UI

For branding

For interior

For fashion

People also use #2B2B31 with

Charcoal Gunmetal Gray Gainsboro

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 14.1:1. Use

Subtle surface Use #D3D3D7 for cards and hover fills. Tint 80

Avoid beside #2D2B31 — 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 #2B2B31 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: #2B2B31;
  --color-base-rgb: 43 43 49;
  --color-base-oklch: oklch(29.2% 0.011 285.7);
  --color-50: #F7F7F8;
  --color-100: #E9E9EC;
  --color-200: #D3D3D9;
  --color-300: #B3B3BC;
  --color-400: #93939F;
  --color-500: #747481;
  --color-600: #5D5D65;
  --color-700: #45454A;
  --color-800: #2F2F32;
  --color-900: #1D1D20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F7F7F8',
    100: '#E9E9EC',
    200: '#D3D3D9',
    300: '#B3B3BC',
    400: '#93939F',
    500: '#747481',
    600: '#5D5D65',
    700: '#45454A',
    800: '#2F2F32',
    900: '#1D1D20',
  },
}

$base: #2B2B31;
$base-ink: #FFFFFF;
$base-50: #F7F7F8;
$base-100: #E9E9EC;
$base-200: #D3D3D9;
$base-300: #B3B3BC;
$base-400: #93939F;
$base-500: #747481;
$base-600: #5D5D65;
$base-700: #45454A;
$base-800: #2F2F32;
$base-900: #1D1D20;
$base-hover: #222227;
$base-subtle: #BDBDC4;

{
    "color": {
        "base": {
            "value": "#2B2B31",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F7F8",
                "type": "color"
            },
            "100": {
                "value": "#E9E9EC",
                "type": "color"
            },
            "200": {
                "value": "#D3D3D9",
                "type": "color"
            },
            "300": {
                "value": "#B3B3BC",
                "type": "color"
            },
            "400": {
                "value": "#93939F",
                "type": "color"
            },
            "500": {
                "value": "#747481",
                "type": "color"
            },
            "600": {
                "value": "#5D5D65",
                "type": "color"
            },
            "700": {
                "value": "#45454A",
                "type": "color"
            },
            "800": {
                "value": "#2F2F32",
                "type": "color"
            },
            "900": {
                "value": "#1D1D20",
                "type": "color"
            }
        }
    }
}

Palettes built on #2B2B31

Color Lab

Pairs with #2B2B31

UI roles & guardrails

In real applications

Scales

Every model

Export