What color is #285756?

#285756 is a dark cyan. In RGB it is rgb(40, 87, 86), and in HSL hsl(179, 37%, 25%).

Is #285756 accessible as text?

On white, #285756 has a contrast ratio of 8.11:1 (passes WCAG AA for body text); on black it is 2.59:1 (fails). For text placed on #285756, use white for the best readability.

What is the closest Tailwind color to #285756?

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

What colors go well with #285756?

#285756 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #572829. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #285756 below.

Is #285756 good for buttons?

#285756 works well for buttons and highlights, but use white text on #285756 — black text only reaches 2.59:1, below the 4.5:1 needed for normal-size labels.

Is #285756 the same as CSS darkslategray?

No — #285756 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#285756 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #285756

Not just a swatch — here's how #285756 works with other colors. Named schemes with #285756 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #285756 Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

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 #285756 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A4 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 #285756 Secondary #725018 Surface #E4DCC0 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 #285756 Anchor #382B1E Surface #ECE4D0 Accent #819C72 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 #285756 Secondary #6A7978 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.

Build a working theme in the generator →

Color Lab

How #285756 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 38/100

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 11/100

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 #285756

For UI

For branding

For interior

For fashion

People also use #285756 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 #CFE3E3 for cards and hover fills. Tint 80

Avoid beside #284857 — 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 #285756 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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: #285756;
  --color-base-rgb: 40 87 86;
  --color-base-oklch: oklch(42.4% 0.051 193.5);
  --color-50: #F4FAFA;
  --color-100: #E3F3F2;
  --color-200: #C7E5E5;
  --color-300: #A0CFCF;
  --color-400: #7AB8B7;
  --color-500: #5A9B9A;
  --color-600: #4A7877;
  --color-700: #385656;
  --color-800: #283939;
  --color-900: #1A2423;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F4FAFA',
    100: '#E3F3F2',
    200: '#C7E5E5',
    300: '#A0CFCF',
    400: '#7AB8B7',
    500: '#5A9B9A',
    600: '#4A7877',
    700: '#385656',
    800: '#283939',
    900: '#1A2423',
  },
}

$base: #285756;
$base-ink: #FFFFFF;
$base-50: #F4FAFA;
$base-100: #E3F3F2;
$base-200: #C7E5E5;
$base-300: #A0CFCF;
$base-400: #7AB8B7;
$base-500: #5A9B9A;
$base-600: #4A7877;
$base-700: #385656;
$base-800: #283939;
$base-900: #1A2423;
$base-hover: #204645;
$base-subtle: #B5D6D5;

{
    "color": {
        "base": {
            "value": "#285756",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAFA",
                "type": "color"
            },
            "100": {
                "value": "#E3F3F2",
                "type": "color"
            },
            "200": {
                "value": "#C7E5E5",
                "type": "color"
            },
            "300": {
                "value": "#A0CFCF",
                "type": "color"
            },
            "400": {
                "value": "#7AB8B7",
                "type": "color"
            },
            "500": {
                "value": "#5A9B9A",
                "type": "color"
            },
            "600": {
                "value": "#4A7877",
                "type": "color"
            },
            "700": {
                "value": "#385656",
                "type": "color"
            },
            "800": {
                "value": "#283939",
                "type": "color"
            },
            "900": {
                "value": "#1A2423",
                "type": "color"
            }
        }
    }
}

Palettes built on #285756

Color Lab

Pairs with #285756

UI roles & guardrails

In real applications

Scales

Every model

Export