What color is #3D5142?

#3D5142 is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(61, 81, 66), and in HSL hsl(135, 14%, 28%).

Is #3D5142 accessible as text?

On white, #3D5142 has a contrast ratio of 8.56:1 (passes WCAG AA for body text); on black it is 2.45:1 (fails). For text placed on #3D5142, use white for the best readability.

What is the closest Tailwind color to #3D5142?

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

What colors go well with #3D5142?

As a neutral, #3D5142 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 #3D5142 the same as CSS darkslategray?

No — #3D5142 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.

#3D5142 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3D5142

Not just a swatch — here's how #3D5142 works with other colors. Named schemes with #3D5142 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #3D5142 Secondary #4B6C3C Accent #AC6C00 Surface #EEEAD6 Anchor #3C2F20

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

Vintage Leather Lead · 5 colors

Lead #3D5142 Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

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.

Modern Café Dominant · 5 colors

Dominant #3D5142 Anchor #382B1E Surface #EDE4D0 Accent #869B6E Secondary #3A3833

Dark Slate 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 #3D5142 Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2A2723

Dark Slate 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 #3D5142 Secondary #6D756F Support #989286 Ink #17140F

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 #3D5142 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 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 56/100

Moderate

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

Naturalness 44/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 59/100

Moderate

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

Brand distinctiveness 14/100

Very low

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

UI accent fit 50/100

Moderate

Workable accent with care around contrast.

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3D5142

For UI

For branding

For interior

For fashion

People also use #3D5142 with

Ebony Dark Slate Gray Eggplant Platinum

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 8.6:1. Use

Subtle surface Use #D7DED8 for cards and hover fills. Tint 80

Avoid beside #3D5149 — 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 #3D5142 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: #3D5142;
  --color-base-rgb: 61 81 66;
  --color-base-oklch: oklch(41.3% 0.035 152.3);
  --color-50: #F6F9F7;
  --color-100: #E8EEE9;
  --color-200: #D1DCD3;
  --color-300: #AFC1B3;
  --color-400: #8DA593;
  --color-500: #6E8774;
  --color-600: #586A5D;
  --color-700: #424D45;
  --color-800: #2D342F;
  --color-900: #1D201E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F6F9F7',
    100: '#E8EEE9',
    200: '#D1DCD3',
    300: '#AFC1B3',
    400: '#8DA593',
    500: '#6E8774',
    600: '#586A5D',
    700: '#424D45',
    800: '#2D342F',
    900: '#1D201E',
  },
}

$base: #3D5142;
$base-ink: #FFFFFF;
$base-50: #F6F9F7;
$base-100: #E8EEE9;
$base-200: #D1DCD3;
$base-300: #AFC1B3;
$base-400: #8DA593;
$base-500: #6E8774;
$base-600: #586A5D;
$base-700: #424D45;
$base-800: #2D342F;
$base-900: #1D201E;
$base-hover: #314135;
$base-subtle: #C2CEC5;

{
    "color": {
        "base": {
            "value": "#3D5142",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F7",
                "type": "color"
            },
            "100": {
                "value": "#E8EEE9",
                "type": "color"
            },
            "200": {
                "value": "#D1DCD3",
                "type": "color"
            },
            "300": {
                "value": "#AFC1B3",
                "type": "color"
            },
            "400": {
                "value": "#8DA593",
                "type": "color"
            },
            "500": {
                "value": "#6E8774",
                "type": "color"
            },
            "600": {
                "value": "#586A5D",
                "type": "color"
            },
            "700": {
                "value": "#424D45",
                "type": "color"
            },
            "800": {
                "value": "#2D342F",
                "type": "color"
            },
            "900": {
                "value": "#1D201E",
                "type": "color"
            }
        }
    }
}

Palettes built on #3D5142

Color Lab

Pairs with #3D5142

UI roles & guardrails

In real applications

Scales

Every model

Export