What color is #285448?

#285448 is a dark teal-green. In RGB it is rgb(40, 84, 72), and in HSL hsl(164, 35%, 24%).

Is #285448 accessible as text?

On white, #285448 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 #285448, use white for the best readability.

What is the closest Tailwind color to #285448?

The nearest Tailwind CSS token is teal-900 (#0B4F4A).

What colors go well with #285448?

#285448 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #532833. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #285448 below.

Is #285448 good for buttons?

#285448 works well for buttons and highlights, but use white text on #285448 — black text only reaches 2.45:1, below the 4.5:1 needed for normal-size labels.

Is #285448 the same as CSS darkslategray?

No — #285448 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.

#285448 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #285448

Not just a swatch — here's how #285448 works with other colors. Named schemes with #285448 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #285448 Accent #A7C4BC Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3549

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 #285448 Secondary #ADB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2D3236

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 #285448 Secondary #734F19 Surface #E4DBC0 Accent #3B5141 Anchor #5B231F

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 #285448 Anchor #382B1E Surface #ECE4D0 Accent #839C70 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #285448 Secondary #677571 Support #989286 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 #285448 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 41/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 57/100

Moderate

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

Naturalness 32/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 61/100

High

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

Brand distinctiveness 21/100

Low

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

UI accent fit 57/100

Moderate

Workable accent with care around contrast.

Surface fit 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #285448

For UI

For branding

For interior

For fashion

People also use #285448 with

Dark Olive 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 8.6:1. Use

Subtle surface Use #CEE2DD for cards and hover fills. Tint 80

Avoid beside #285053 — 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 #285448 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: #285448;
  --color-base-rgb: 40 84 72;
  --color-base-oklch: oklch(41.0% 0.053 173.6);
  --color-50: #F4FAF9;
  --color-100: #E3F2EE;
  --color-200: #C8E4DD;
  --color-300: #A1CEC2;
  --color-400: #7CB6A7;
  --color-500: #5C9989;
  --color-600: #4B776B;
  --color-700: #39564E;
  --color-800: #283934;
  --color-900: #1A2321;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F4FAF9',
    100: '#E3F2EE',
    200: '#C8E4DD',
    300: '#A1CEC2',
    400: '#7CB6A7',
    500: '#5C9989',
    600: '#4B776B',
    700: '#39564E',
    800: '#283934',
    900: '#1A2321',
  },
}

$base: #285448;
$base-ink: #FFFFFF;
$base-50: #F4FAF9;
$base-100: #E3F2EE;
$base-200: #C8E4DD;
$base-300: #A1CEC2;
$base-400: #7CB6A7;
$base-500: #5C9989;
$base-600: #4B776B;
$base-700: #39564E;
$base-800: #283934;
$base-900: #1A2321;
$base-hover: #204239;
$base-subtle: #B5D4CC;

{
    "color": {
        "base": {
            "value": "#285448",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAF9",
                "type": "color"
            },
            "100": {
                "value": "#E3F2EE",
                "type": "color"
            },
            "200": {
                "value": "#C8E4DD",
                "type": "color"
            },
            "300": {
                "value": "#A1CEC2",
                "type": "color"
            },
            "400": {
                "value": "#7CB6A7",
                "type": "color"
            },
            "500": {
                "value": "#5C9989",
                "type": "color"
            },
            "600": {
                "value": "#4B776B",
                "type": "color"
            },
            "700": {
                "value": "#39564E",
                "type": "color"
            },
            "800": {
                "value": "#283934",
                "type": "color"
            },
            "900": {
                "value": "#1A2321",
                "type": "color"
            }
        }
    }
}

Palettes built on #285448

Color Lab

Pairs with #285448

UI roles & guardrails

In real applications

Scales

Every model

Export