What color is #3B5054?

#3B5054 is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(59, 80, 84), and in HSL hsl(190, 17%, 28%).

Is #3B5054 accessible as text?

On white, #3B5054 has a contrast ratio of 8.53:1 (passes WCAG AA for body text); on black it is 2.46:1 (fails). For text placed on #3B5054, use white for the best readability.

What is the closest Tailwind color to #3B5054?

The nearest Tailwind CSS token is neutral-600 (#525252).

What colors go well with #3B5054?

As a neutral, #3B5054 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 #3B5054 the same as CSS darkslategray?

No — #3B5054 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.

#3B5054 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3B5054

Not just a swatch — here's how #3B5054 works with other colors. Named schemes with #3B5054 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3B5054 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Dark Slate 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 #3B5054 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Dark Slate 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 #3B5054 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #5E7175

Dark Slate 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 Dark Slate Gray.

Vintage Leather Lead · 5 colors

Lead #3B5054 Secondary #705117 Surface #E3DCC0 Accent #395143 Anchor #56233F

Dark Slate 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 #3B5054 Secondary #6D7576 Support #979286 Ink #16140F

Dark Slate 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 Dark Slate Gray carrying the quiet middle.

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Color Lab

How #3B5054 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 43/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 55/100

Moderate

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

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 58/100

Moderate

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

Brand distinctiveness 10/100

Very low

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

UI accent fit 47/100

Moderate

Workable accent with care around contrast.

Surface fit 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3B5054

For UI

For branding

For interior

For fashion

People also use #3B5054 with

Ebony Charcoal Taupe 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 8.5:1. Use

Subtle surface Use #D6DDDF for cards and hover fills. Tint 80

Avoid beside #3B4754 — 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 #3B5054 at work across the surfaces designers actually ship.

Website / UI

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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: #3B5054;
  --color-base-rgb: 59 80 84;
  --color-base-oklch: oklch(41.5% 0.027 210.6);
  --color-50: #F6F8F9;
  --color-100: #E7EDEE;
  --color-200: #CFDBDD;
  --color-300: #ADBFC3;
  --color-400: #8BA2A7;
  --color-500: #6B8489;
  --color-600: #56686B;
  --color-700: #414C4E;
  --color-800: #2C3335;
  --color-900: #1C2021;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F6F8F9',
    100: '#E7EDEE',
    200: '#CFDBDD',
    300: '#ADBFC3',
    400: '#8BA2A7',
    500: '#6B8489',
    600: '#56686B',
    700: '#414C4E',
    800: '#2C3335',
    900: '#1C2021',
  },
}

$base: #3B5054;
$base-ink: #FFFFFF;
$base-50: #F6F8F9;
$base-100: #E7EDEE;
$base-200: #CFDBDD;
$base-300: #ADBFC3;
$base-400: #8BA2A7;
$base-500: #6B8489;
$base-600: #56686B;
$base-700: #414C4E;
$base-800: #2C3335;
$base-900: #1C2021;
$base-hover: #2F4043;
$base-subtle: #C1CDCF;

{
    "color": {
        "base": {
            "value": "#3B5054",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F8F9",
                "type": "color"
            },
            "100": {
                "value": "#E7EDEE",
                "type": "color"
            },
            "200": {
                "value": "#CFDBDD",
                "type": "color"
            },
            "300": {
                "value": "#ADBFC3",
                "type": "color"
            },
            "400": {
                "value": "#8BA2A7",
                "type": "color"
            },
            "500": {
                "value": "#6B8489",
                "type": "color"
            },
            "600": {
                "value": "#56686B",
                "type": "color"
            },
            "700": {
                "value": "#414C4E",
                "type": "color"
            },
            "800": {
                "value": "#2C3335",
                "type": "color"
            },
            "900": {
                "value": "#1C2021",
                "type": "color"
            }
        }
    }
}

Palettes built on #3B5054

Color Lab

Pairs with #3B5054

UI roles & guardrails

In real applications

Scales

Every model

Export