What color is #06384C?

#06384C is a very dark, vivid cyan-blue. In RGB it is rgb(6, 56, 76), and in HSL hsl(197, 85%, 16%).

Is #06384C accessible as text?

On white, #06384C has a contrast ratio of 12.52:1 (passes WCAG AA for body text); on black it is 1.68:1 (fails). For text placed on #06384C, use white for the best readability.

What is the closest Tailwind color to #06384C?

The nearest Tailwind CSS token is cyan-950 (#053345).

What colors go well with #06384C?

#06384C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4B1A06. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #06384C below.

Is #06384C good for buttons?

#06384C works well for buttons and highlights, but use white text on #06384C — black text only reaches 1.68:1, below the 4.5:1 needed for normal-size labels.

Is #06384C the same as CSS darkslategray?

No — #06384C is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#06384C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #06384C

Not just a swatch — here's how #06384C works with other colors. Named schemes with #06384C in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #06384C Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Prussian 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 #06384C Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Prussian 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 #06384C Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #31586B

Prussian 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 Prussian Blue.

Vintage Leather Lead · 5 colors

Lead #06384C Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

Prussian 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 #06384C Secondary #4D5B62 Support #969386 Ink #16140F

Prussian 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 Prussian Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #06384C 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 32/100

Cool

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 23/100

Low

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

UI accent fit 36/100

Low

Workable accent with care around contrast.

Surface fit 46/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #06384C

For UI

For branding

For interior

For fashion

People also use #06384C with

Pine Green Navy Bistre 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 12.5:1. Use

Subtle surface Use #BAE0EE for cards and hover fills. Tint 80

Avoid beside #06214B — 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 #06384C 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: #06384C;
  --color-base-rgb: 6 56 76;
  --color-base-oklch: oklch(32.0% 0.061 231.0);
  --color-50: #F0FAFE;
  --color-100: #D8F3FD;
  --color-200: #B4E5F9;
  --color-300: #81CFEE;
  --color-400: #53B7DF;
  --color-500: #309BC5;
  --color-600: #2C7896;
  --color-700: #25566A;
  --color-800: #1C3945;
  --color-900: #13242A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F0FAFE',
    100: '#D8F3FD',
    200: '#B4E5F9',
    300: '#81CFEE',
    400: '#53B7DF',
    500: '#309BC5',
    600: '#2C7896',
    700: '#25566A',
    800: '#1C3945',
    900: '#13242A',
  },
}

$base: #06384C;
$base-ink: #FFFFFF;
$base-50: #F0FAFE;
$base-100: #D8F3FD;
$base-200: #B4E5F9;
$base-300: #81CFEE;
$base-400: #53B7DF;
$base-500: #309BC5;
$base-600: #2C7896;
$base-700: #25566A;
$base-800: #1C3945;
$base-900: #13242A;
$base-hover: #052D3C;
$base-subtle: #95D1E8;

{
    "color": {
        "base": {
            "value": "#06384C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FAFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F3FD",
                "type": "color"
            },
            "200": {
                "value": "#B4E5F9",
                "type": "color"
            },
            "300": {
                "value": "#81CFEE",
                "type": "color"
            },
            "400": {
                "value": "#53B7DF",
                "type": "color"
            },
            "500": {
                "value": "#309BC5",
                "type": "color"
            },
            "600": {
                "value": "#2C7896",
                "type": "color"
            },
            "700": {
                "value": "#25566A",
                "type": "color"
            },
            "800": {
                "value": "#1C3945",
                "type": "color"
            },
            "900": {
                "value": "#13242A",
                "type": "color"
            }
        }
    }
}