What color is #55666D?

#55666D is a dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(85, 102, 109), and in HSL hsl(198, 12%, 38%).

Is #55666D accessible as text?

On white, #55666D has a contrast ratio of 5.99:1 (passes WCAG AA for body text); on black it is 3.51:1 (fails). For text placed on #55666D, use white for the best readability.

What is the closest Tailwind color to #55666D?

The nearest Tailwind CSS token is gray-600 (#4A5565).

What colors go well with #55666D?

As a neutral, #55666D 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 muted neutral, divider, icon or disabled-state color and let the accent carry the color.

Is #55666D the same as CSS dimgray?

No — #55666D is not the CSS named color dimgray, but dimgray (#696969) is the closest CSS named color.

#55666D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #55666D

Not just a swatch — here's how #55666D works with other colors. Named schemes with #55666D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #55666D Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1E344A

Dim 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 #55666D Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A5 Anchor #2E3236

Dim 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 #55666D Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #79898F

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 #55666D Secondary #6F5116 Surface #E2DCC0 Accent #385244 Anchor #56233E

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #55666D Secondary #878D8F 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.

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Color Lab

How #55666D 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 51/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 47/100

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 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 9/100

Very low

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

UI accent fit 56/100

Moderate

Workable accent with care around contrast.

Surface fit 45/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #55666D

For UI

For branding

For interior

For fashion

People also use #55666D with

Gray Iron Gray Wenge 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 6.0:1. Use

Subtle surface Use #DDE0E2 for cards and hover fills. Tint 80

Avoid beside #555E6D — 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 #55666D 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: #55666D;
  --color-base-rgb: 85 102 109;
  --color-base-oklch: oklch(49.9% 0.023 224.7);
  --color-50: #F6F8F8;
  --color-100: #E8ECED;
  --color-200: #D1D8DB;
  --color-300: #B0BBBF;
  --color-400: #8F9DA3;
  --color-500: #707F85;
  --color-600: #596468;
  --color-700: #43494C;
  --color-800: #2E3233;
  --color-900: #1D1F20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dim-gray: {
    50: '#F6F8F8',
    100: '#E8ECED',
    200: '#D1D8DB',
    300: '#B0BBBF',
    400: '#8F9DA3',
    500: '#707F85',
    600: '#596468',
    700: '#43494C',
    800: '#2E3233',
    900: '#1D1F20',
  },
}

$base: #55666D;
$base-ink: #FFFFFF;
$base-50: #F6F8F8;
$base-100: #E8ECED;
$base-200: #D1D8DB;
$base-300: #B0BBBF;
$base-400: #8F9DA3;
$base-500: #707F85;
$base-600: #596468;
$base-700: #43494C;
$base-800: #2E3233;
$base-900: #1D1F20;
$base-hover: #445157;
$base-subtle: #CBD1D4;

{
    "color": {
        "base": {
            "value": "#55666D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F8F8",
                "type": "color"
            },
            "100": {
                "value": "#E8ECED",
                "type": "color"
            },
            "200": {
                "value": "#D1D8DB",
                "type": "color"
            },
            "300": {
                "value": "#B0BBBF",
                "type": "color"
            },
            "400": {
                "value": "#8F9DA3",
                "type": "color"
            },
            "500": {
                "value": "#707F85",
                "type": "color"
            },
            "600": {
                "value": "#596468",
                "type": "color"
            },
            "700": {
                "value": "#43494C",
                "type": "color"
            },
            "800": {
                "value": "#2E3233",
                "type": "color"
            },
            "900": {
                "value": "#1D1F20",
                "type": "color"
            }
        }
    }
}

Palettes built on #55666D

Color Lab

Pairs with #55666D

UI roles & guardrails

In real applications

Scales

Every model

Export