What color is #42574D?

#42574D is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(66, 87, 77), and in HSL hsl(151, 14%, 30%).

Is #42574D accessible as text?

On white, #42574D has a contrast ratio of 7.77:1 (passes WCAG AA for body text); on black it is 2.70:1 (fails). For text placed on #42574D, use white for the best readability.

What is the closest Tailwind color to #42574D?

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

What colors go well with #42574D?

As a neutral, #42574D 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 #42574D the same as CSS darkslategray?

No — #42574D 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.

#42574D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #42574D

Not just a swatch — here's how #42574D works with other colors. Named schemes with #42574D in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #42574D Secondary #496C3E Accent #AB6D00 Surface #EEEAD6 Anchor #3C2F20

Feldgrau 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 #42574D Secondary #744F1A Surface #E5DBC0 Accent #3B5141 Anchor #5B2320

Feldgrau 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 #42574D Anchor #382B1E Surface #EDE4D0 Accent #859B6F Secondary #3A3833

Feldgrau 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 #42574D Surface #EDEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2A2723

Feldgrau 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 #42574D Secondary #747B77 Support #989286 Ink #17140F

Feldgrau 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 Feldgrau carrying the quiet middle.

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Color Lab

How #42574D 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 44/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 53/100

Moderate

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

Naturalness 29/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 57/100

Moderate

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

Brand distinctiveness 12/100

Very low

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

UI accent fit 53/100

Moderate

Workable accent with care around contrast.

Surface fit 47/100

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 #42574D

For UI

For branding

For interior

For fashion

People also use #42574D with

Dark Olive Green Iron Gray Eggplant Platinum Dark Slate Gray

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 7.8:1. Use

Subtle surface Use #D8DFDB for cards and hover fills. Tint 80

Avoid beside #425754 — 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 #42574D 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: #42574D;
  --color-base-rgb: 66 87 77;
  --color-base-oklch: oklch(43.6% 0.031 164.3);
  --color-50: #F6F9F7;
  --color-100: #E8EEEB;
  --color-200: #D1DCD6;
  --color-300: #AFC1B8;
  --color-400: #8DA599;
  --color-500: #6E877B;
  --color-600: #586A61;
  --color-700: #424D48;
  --color-800: #2D3431;
  --color-900: #1D201F;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  feldgrau: {
    50: '#F6F9F7',
    100: '#E8EEEB',
    200: '#D1DCD6',
    300: '#AFC1B8',
    400: '#8DA599',
    500: '#6E877B',
    600: '#586A61',
    700: '#424D48',
    800: '#2D3431',
    900: '#1D201F',
  },
}

$base: #42574D;
$base-ink: #FFFFFF;
$base-50: #F6F9F7;
$base-100: #E8EEEB;
$base-200: #D1DCD6;
$base-300: #AFC1B8;
$base-400: #8DA599;
$base-500: #6E877B;
$base-600: #586A61;
$base-700: #424D48;
$base-800: #2D3431;
$base-900: #1D201F;
$base-hover: #35463D;
$base-subtle: #C4CFCA;

{
    "color": {
        "base": {
            "value": "#42574D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F7",
                "type": "color"
            },
            "100": {
                "value": "#E8EEEB",
                "type": "color"
            },
            "200": {
                "value": "#D1DCD6",
                "type": "color"
            },
            "300": {
                "value": "#AFC1B8",
                "type": "color"
            },
            "400": {
                "value": "#8DA599",
                "type": "color"
            },
            "500": {
                "value": "#6E877B",
                "type": "color"
            },
            "600": {
                "value": "#586A61",
                "type": "color"
            },
            "700": {
                "value": "#424D48",
                "type": "color"
            },
            "800": {
                "value": "#2D3431",
                "type": "color"
            },
            "900": {
                "value": "#1D201F",
                "type": "color"
            }
        }
    }
}

Palettes built on #42574D

Color Lab

Pairs with #42574D

UI roles & guardrails

In real applications

Scales

Every model

Export