What color is #646D73?

#646D73 is a medium low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(100, 109, 115), and in HSL hsl(204, 7%, 42%).

Is #646D73 accessible as text?

On white, #646D73 has a contrast ratio of 5.28:1 (passes WCAG AA for body text); on black it is 3.98:1 (fails). For text placed on #646D73, use white for the best readability.

What is the closest Tailwind color to #646D73?

The nearest Tailwind CSS token is zinc-500 (#71717B).

What colors go well with #646D73?

As a neutral, #646D73 pairs cleanly with either light or dark text depending on the surface, and sits under accent hues like blue, violet, emerald or warm orange — use it as a muted neutral, divider, icon or disabled-state color and let the accent carry the color.

Is #646D73 the same as CSS dimgray?

No — #646D73 is not the CSS named color dimgray, but dimgray (#696969) is the closest CSS named color.

#646D73 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #646D73

Not just a swatch — here's how #646D73 works with other colors. Named schemes with #646D73 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #646D73 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #889096

Dim 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 Dim Gray.

Vintage Leather Lead · 5 colors

Lead #646D73 Secondary #6E5215 Surface #E2DDC0 Accent #385245 Anchor #57233C

Dim 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.

Modern Café Dominant · 5 colors

Dominant #646D73 Anchor #3C2925 Surface #EAE5D0 Accent #7B9E76 Secondary #393933

Dim Gray anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Japanese Sand Base · 5 colors

Base #646D73 Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2A2723

Dim 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #646D73 Secondary #929598 Support #969386 Ink #16140F

Dim 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 Dim Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #646D73 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 46/100

Neutral

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

Softness 55/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 35/100

Low

A faint retro warmth without tipping into sepia.

Luxury 48/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 6/100

Very low

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

UI accent fit 52/100

Moderate

Workable accent with care around contrast.

Surface fit 51/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #646D73

For UI

For branding

For interior

For fashion

People also use #646D73 with

Battleship Grey Dim Gray Platinum Charcoal

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 5.3:1. Use

Subtle surface Use #E0E2E3 for cards and hover fills. Tint 80

Avoid beside #646873 — 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 #646D73 at work across the surfaces designers actually ship.

Website / UI

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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: #646D73;
  --color-base-rgb: 100 109 115;
  --color-base-oklch: oklch(52.9% 0.014 236.8);
  --color-50: #F7F7F8;
  --color-100: #E9EBEC;
  --color-200: #D3D7D9;
  --color-300: #B3B9BC;
  --color-400: #939A9F;
  --color-500: #747C81;
  --color-600: #5D6265;
  --color-700: #45484A;
  --color-800: #2F3132;
  --color-900: #1D1F20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dim-gray: {
    50: '#F7F7F8',
    100: '#E9EBEC',
    200: '#D3D7D9',
    300: '#B3B9BC',
    400: '#939A9F',
    500: '#747C81',
    600: '#5D6265',
    700: '#45484A',
    800: '#2F3132',
    900: '#1D1F20',
  },
}

$base: #646D73;
$base-ink: #FFFFFF;
$base-50: #F7F7F8;
$base-100: #E9EBEC;
$base-200: #D3D7D9;
$base-300: #B3B9BC;
$base-400: #939A9F;
$base-500: #747C81;
$base-600: #5D6265;
$base-700: #45484A;
$base-800: #2F3132;
$base-900: #1D1F20;
$base-hover: #50575C;
$base-subtle: #D0D3D5;

{
    "color": {
        "base": {
            "value": "#646D73",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F7F8",
                "type": "color"
            },
            "100": {
                "value": "#E9EBEC",
                "type": "color"
            },
            "200": {
                "value": "#D3D7D9",
                "type": "color"
            },
            "300": {
                "value": "#B3B9BC",
                "type": "color"
            },
            "400": {
                "value": "#939A9F",
                "type": "color"
            },
            "500": {
                "value": "#747C81",
                "type": "color"
            },
            "600": {
                "value": "#5D6265",
                "type": "color"
            },
            "700": {
                "value": "#45484A",
                "type": "color"
            },
            "800": {
                "value": "#2F3132",
                "type": "color"
            },
            "900": {
                "value": "#1D1F20",
                "type": "color"
            }
        }
    }
}

Palettes built on #646D73

Color Lab

Pairs with #646D73

UI roles & guardrails

In real applications

Scales

Every model

Export