What color is #285376?

#285376 is a dark cyan-blue. In RGB it is rgb(40, 83, 118), and in HSL hsl(207, 49%, 31%).

Is #285376 accessible as text?

On white, #285376 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 #285376, use white for the best readability.

What is the closest Tailwind color to #285376?

The nearest Tailwind CSS token is sky-800 (#00598A).

What colors go well with #285376?

#285376 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #764B28. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #285376 below.

Is #285376 good for buttons?

#285376 works well for buttons and highlights, but use white text on #285376 — black text only reaches 2.59:1, below the 4.5:1 needed for normal-size labels.

Is #285376 the same as CSS darkslategray?

No — #285376 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#285376 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #285376

Not just a swatch — here's how #285376 works with other colors. Named schemes with #285376 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #285376 Accent #A5C4C0 Surface #DEDBBF Secondary #9AA0A0 Anchor #20344A

Classic Blue 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 #285376 Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Classic Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #285376 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4F7596

Classic Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Classic Blue.

Vintage Leather Lead · 5 colors

Lead #285376 Secondary #7F4438 Surface #E1DDC0 Accent #375245 Anchor #57233C

Classic Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #285376 Secondary #6A7986 Support #969386 Ink #16140F

Classic Blue 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 Classic Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #285376 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 28/100

Cool

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

Softness 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 56/100

Moderate

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 46/100

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 20/100

Low

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

UI accent fit 70/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 34/100

Low

Usable as a tinted surface in measured doses.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #285376

For UI

For branding

For interior

For fashion

People also use #285376 with

Dark Cyan Midnight Blue Coffee Gainsboro Charcoal

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 #CFDDE8 for cards and hover fills. Tint 80

Avoid beside #283976 — 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 #285376 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: #285376;
  --color-base-rgb: 40 83 118;
  --color-base-oklch: oklch(42.8% 0.076 245.4);
  --color-50: #F3F8FB;
  --color-100: #E0ECF5;
  --color-200: #C2D8EA;
  --color-300: #98BBD7;
  --color-400: #709DC2;
  --color-500: #4F7FA6;
  --color-600: #42647F;
  --color-700: #34495B;
  --color-800: #25323C;
  --color-900: #181F25;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  classic-blue: {
    50: '#F3F8FB',
    100: '#E0ECF5',
    200: '#C2D8EA',
    300: '#98BBD7',
    400: '#709DC2',
    500: '#4F7FA6',
    600: '#42647F',
    700: '#34495B',
    800: '#25323C',
    900: '#181F25',
  },
}

$base: #285376;
$base-ink: #FFFFFF;
$base-50: #F3F8FB;
$base-100: #E0ECF5;
$base-200: #C2D8EA;
$base-300: #98BBD7;
$base-400: #709DC2;
$base-500: #4F7FA6;
$base-600: #42647F;
$base-700: #34495B;
$base-800: #25323C;
$base-900: #181F25;
$base-hover: #20425E;
$base-subtle: #B7CCDE;

{
    "color": {
        "base": {
            "value": "#285376",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F8FB",
                "type": "color"
            },
            "100": {
                "value": "#E0ECF5",
                "type": "color"
            },
            "200": {
                "value": "#C2D8EA",
                "type": "color"
            },
            "300": {
                "value": "#98BBD7",
                "type": "color"
            },
            "400": {
                "value": "#709DC2",
                "type": "color"
            },
            "500": {
                "value": "#4F7FA6",
                "type": "color"
            },
            "600": {
                "value": "#42647F",
                "type": "color"
            },
            "700": {
                "value": "#34495B",
                "type": "color"
            },
            "800": {
                "value": "#25323C",
                "type": "color"
            },
            "900": {
                "value": "#181F25",
                "type": "color"
            }
        }
    }
}