What color is #285758?

#285758 is a dark cyan. In RGB it is rgb(40, 87, 88), and in HSL hsl(181, 38%, 25%).

Is #285758 accessible as text?

On white, #285758 has a contrast ratio of 8.09:1 (passes WCAG AA for body text); on black it is 2.59:1 (fails). For text placed on #285758, use white for the best readability.

What is the closest Tailwind color to #285758?

The nearest Tailwind CSS token is teal-800 (#005F5A).

What colors go well with #285758?

#285758 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #582828. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #285758 below.

Is #285758 good for buttons?

#285758 works well for buttons and highlights, but use white text on #285758 — black text only reaches 2.59:1, below the 4.5:1 needed for normal-size labels.

Is #285758 the same as CSS darkslategray?

No — #285758 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#285758 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #285758

Not just a swatch — here's how #285758 works with other colors. Named schemes with #285758 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #285758 Accent #A6C4BD Surface #E0DABE 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 #285758 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.

Vintage Leather Lead · 5 colors

Lead #285758 Secondary #715017 Surface #E3DCC0 Accent #3A5142 Anchor #552340

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 #285758 Anchor #382C1E Surface #ECE4D0 Accent #809C72 Secondary #3A3933

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #285758 Secondary #6A7979 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 #285758 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 37/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 55/100

Moderate

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

Naturalness 8/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 60/100

Moderate

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

Brand distinctiveness 20/100

Very low

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

UI accent fit 60/100

Moderate

Workable accent with care around contrast.

Surface fit 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #285758

For UI

For branding

For interior

For fashion

People also use #285758 with

Fern Green Charcoal Espresso 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 8.1:1. Use

Subtle surface Use #CEE3E3 for cards and hover fills. Tint 80

Avoid beside #284758 — 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 #285758 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: #285758;
  --color-base-rgb: 40 87 88;
  --color-base-oklch: oklch(42.4% 0.051 197.2);
  --color-50: #F4FAFB;
  --color-100: #E2F3F3;
  --color-200: #C7E5E6;
  --color-300: #9FCFD0;
  --color-400: #7AB7B8;
  --color-500: #599B9C;
  --color-600: #497879;
  --color-700: #385657;
  --color-800: #27393A;
  --color-900: #192424;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F4FAFB',
    100: '#E2F3F3',
    200: '#C7E5E6',
    300: '#9FCFD0',
    400: '#7AB7B8',
    500: '#599B9C',
    600: '#497879',
    700: '#385657',
    800: '#27393A',
    900: '#192424',
  },
}

$base: #285758;
$base-ink: #FFFFFF;
$base-50: #F4FAFB;
$base-100: #E2F3F3;
$base-200: #C7E5E6;
$base-300: #9FCFD0;
$base-400: #7AB7B8;
$base-500: #599B9C;
$base-600: #497879;
$base-700: #385657;
$base-800: #27393A;
$base-900: #192424;
$base-hover: #204646;
$base-subtle: #B5D6D6;

{
    "color": {
        "base": {
            "value": "#285758",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAFB",
                "type": "color"
            },
            "100": {
                "value": "#E2F3F3",
                "type": "color"
            },
            "200": {
                "value": "#C7E5E6",
                "type": "color"
            },
            "300": {
                "value": "#9FCFD0",
                "type": "color"
            },
            "400": {
                "value": "#7AB7B8",
                "type": "color"
            },
            "500": {
                "value": "#599B9C",
                "type": "color"
            },
            "600": {
                "value": "#497879",
                "type": "color"
            },
            "700": {
                "value": "#385657",
                "type": "color"
            },
            "800": {
                "value": "#27393A",
                "type": "color"
            },
            "900": {
                "value": "#192424",
                "type": "color"
            }
        }
    }
}

Palettes built on #285758

Color Lab

Pairs with #285758

UI roles & guardrails

In real applications

Scales

Every model

Export