What color is #284653?

#284653 is a dark cyan-blue. In RGB it is rgb(40, 70, 83), and in HSL hsl(198, 35%, 24%).

Is #284653 accessible as text?

On white, #284653 has a contrast ratio of 10.04:1 (passes WCAG AA for body text); on black it is 2.09:1 (fails). For text placed on #284653, use white for the best readability.

What is the closest Tailwind color to #284653?

The nearest Tailwind CSS token is mist-700 (#394447).

What colors go well with #284653?

#284653 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #533528. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #284653 below.

Is #284653 good for buttons?

#284653 works well for buttons and highlights, but use white text on #284653 — black text only reaches 2.09:1, below the 4.5:1 needed for normal-size labels.

Is #284653 the same as CSS darkslategray?

No — #284653 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#284653 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #284653

Not just a swatch — here's how #284653 works with other colors. Named schemes with #284653 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #284653 Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Charcoal 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 #284653 Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Charcoal 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 #284653 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #4B6773

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

Vintage Leather Lead · 5 colors

Lead #284653 Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

Charcoal 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 #284653 Secondary #5F6A6F Support #969386 Ink #16140F

Charcoal 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 Charcoal carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #284653 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 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 59/100

Moderate

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 63/100

High

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

Brand distinctiveness 16/100

Very low

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

UI accent fit 45/100

Moderate

Workable accent with care around contrast.

Surface fit 48/100

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 #284653

For UI

For branding

For interior

For fashion

People also use #284653 with

Myrtle Green Prussian Blue Espresso Platinum 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 10.0:1. Use

Subtle surface Use #CEDCE2 for cards and hover fills. Tint 80

Avoid beside #283753 — 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 #284653 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: #284653;
  --color-base-rgb: 40 70 83;
  --color-base-oklch: oklch(37.6% 0.042 227.6);
  --color-50: #F4F9FA;
  --color-100: #E3EEF2;
  --color-200: #C8DCE4;
  --color-300: #A1C1CE;
  --color-400: #7CA5B6;
  --color-500: #5C8799;
  --color-600: #4B6A77;
  --color-700: #394D56;
  --color-800: #283439;
  --color-900: #1A2023;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  charcoal: {
    50: '#F4F9FA',
    100: '#E3EEF2',
    200: '#C8DCE4',
    300: '#A1C1CE',
    400: '#7CA5B6',
    500: '#5C8799',
    600: '#4B6A77',
    700: '#394D56',
    800: '#283439',
    900: '#1A2023',
  },
}

$base: #284653;
$base-ink: #FFFFFF;
$base-50: #F4F9FA;
$base-100: #E3EEF2;
$base-200: #C8DCE4;
$base-300: #A1C1CE;
$base-400: #7CA5B6;
$base-500: #5C8799;
$base-600: #4B6A77;
$base-700: #394D56;
$base-800: #283439;
$base-900: #1A2023;
$base-hover: #203842;
$base-subtle: #B5CBD4;

{
    "color": {
        "base": {
            "value": "#284653",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F9FA",
                "type": "color"
            },
            "100": {
                "value": "#E3EEF2",
                "type": "color"
            },
            "200": {
                "value": "#C8DCE4",
                "type": "color"
            },
            "300": {
                "value": "#A1C1CE",
                "type": "color"
            },
            "400": {
                "value": "#7CA5B6",
                "type": "color"
            },
            "500": {
                "value": "#5C8799",
                "type": "color"
            },
            "600": {
                "value": "#4B6A77",
                "type": "color"
            },
            "700": {
                "value": "#394D56",
                "type": "color"
            },
            "800": {
                "value": "#283439",
                "type": "color"
            },
            "900": {
                "value": "#1A2023",
                "type": "color"
            }
        }
    }
}

Palettes built on #284653

Color Lab

Pairs with #284653

UI roles & guardrails

In real applications

Scales

Every model

Export