What color is #555751?

#555751 is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(85, 87, 81), and in HSL hsl(80, 4%, 33%).

Is #555751 accessible as text?

On white, #555751 has a contrast ratio of 7.32:1 (passes WCAG AA for body text); on black it is 2.87:1 (fails). For text placed on #555751, use white for the best readability.

What is the closest Tailwind color to #555751?

The nearest Tailwind CSS token is stone-600 (#57534D).

What colors go well with #555751?

As a neutral, #555751 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 #555751 the same as CSS darkslategray?

No — #555751 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.

#555751 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #555751

Not just a swatch — here's how #555751 works with other colors. Named schemes with #555751 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #555751 Secondary #506B38 Accent #AF6A02 Surface #EFE9D6 Anchor #3D2F21

Iron Gray leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Tech Product Signal · 5 colors

Signal #555751 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #777973

Iron 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 Iron Gray.

Vintage Leather Lead · 5 colors

Lead #555751 Secondary #774D1D Surface #E7DBC0 Accent #3E513F Anchor #5B2324

Iron 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 #555751 Surface #EEE9DC Highlight #F6F1E7 Secondary #B7B09F Ink #2B2723

Iron 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 #F7F4EF Accent #555751 Secondary #7E7E7C Support #999286 Ink #17140F

Iron 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 Iron Gray carrying the quiet middle.

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Color Lab

How #555751 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 51/100

Neutral

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

Softness 48/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 51/100

Moderate

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

Naturalness 25/100

Low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 4/100

Very low

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

UI accent fit 45/100

Moderate

Workable accent with care around contrast.

Surface fit 53/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 98/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #555751

For UI

For branding

For interior

For fashion

People also use #555751 with

Dim Gray Iron Gray Platinum Outer Space

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 7.3:1. Use

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

Avoid beside #535851 — 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 #555751 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: #555751;
  --color-base-rgb: 85 87 81;
  --color-base-oklch: oklch(45.3% 0.010 121.8);
  --color-50: #F7F8F7;
  --color-100: #EBEBEA;
  --color-200: #D7D8D5;
  --color-300: #B9BAB5;
  --color-400: #9A9D95;
  --color-500: #7C7F76;
  --color-600: #62655D;
  --color-700: #484A45;
  --color-800: #31322F;
  --color-900: #1F201D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  iron-gray: {
    50: '#F7F8F7',
    100: '#EBEBEA',
    200: '#D7D8D5',
    300: '#B9BAB5',
    400: '#9A9D95',
    500: '#7C7F76',
    600: '#62655D',
    700: '#484A45',
    800: '#31322F',
    900: '#1F201D',
  },
}

$base: #555751;
$base-ink: #FFFFFF;
$base-50: #F7F8F7;
$base-100: #EBEBEA;
$base-200: #D7D8D5;
$base-300: #B9BAB5;
$base-400: #9A9D95;
$base-500: #7C7F76;
$base-600: #62655D;
$base-700: #484A45;
$base-800: #31322F;
$base-900: #1F201D;
$base-hover: #444641;
$base-subtle: #CCCDCA;

{
    "color": {
        "base": {
            "value": "#555751",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F8F7",
                "type": "color"
            },
            "100": {
                "value": "#EBEBEA",
                "type": "color"
            },
            "200": {
                "value": "#D7D8D5",
                "type": "color"
            },
            "300": {
                "value": "#B9BAB5",
                "type": "color"
            },
            "400": {
                "value": "#9A9D95",
                "type": "color"
            },
            "500": {
                "value": "#7C7F76",
                "type": "color"
            },
            "600": {
                "value": "#62655D",
                "type": "color"
            },
            "700": {
                "value": "#484A45",
                "type": "color"
            },
            "800": {
                "value": "#31322F",
                "type": "color"
            },
            "900": {
                "value": "#1F201D",
                "type": "color"
            }
        }
    }
}

Palettes built on #555751

Color Lab

Pairs with #555751

UI roles & guardrails

In real applications

Scales

Every model

Export