What color is #066476?

#066476 is a dark, vivid cyan. In RGB it is rgb(6, 100, 118), and in HSL hsl(190, 90%, 24%).

Is #066476 accessible as text?

On white, #066476 has a contrast ratio of 6.79:1 (passes WCAG AA for body text); on black it is 3.09:1 (fails). For text placed on #066476, use white for the best readability.

What is the closest Tailwind color to #066476?

The nearest Tailwind CSS token is cyan-800 (#005F78).

What colors go well with #066476?

#066476 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #741806. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #066476 below.

Is #066476 good for buttons?

#066476 works well for buttons and highlights, but use white text on #066476 — black text only reaches 3.09:1, below the 4.5:1 needed for normal-size labels.

Is #066476 the same as CSS darkslategray?

No — #066476 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#066476 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #066476

Not just a swatch — here's how #066476 works with other colors. Named schemes with #066476 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #066476 Accent #A6C4BF Surface #DFDABF Secondary #9AA0A0 Anchor #1E3549

Teal 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 #066476 Secondary #AEB4B8 Surface #F1F2F0 Support #7B94A5 Anchor #2E3236

Teal 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 #066476 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #438697

Teal 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 Teal Blue.

Vintage Leather Lead · 5 colors

Lead #066476 Secondary #705116 Surface #E3DCC0 Accent #395244 Anchor #56233E

Teal 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 #066476 Secondary #6F868C Support #969386 Ink #16140F

Teal 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 Teal Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #066476 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 27/100

Cool

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 53/100

Moderate

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

Naturalness 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 51/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 58/100

Moderate

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

Brand distinctiveness 22/100

Low

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

UI accent fit 80/100

Very high

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

Surface fit 30/100

Low

Usable as a tinted surface in measured doses.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #066476

For UI

For branding

For interior

For fashion

People also use #066476 with

Shamrock Green Midnight Blue Rosewood Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 6.8:1. Use

Subtle surface Use #BFE9F1 for cards and hover fills. Tint 80

Avoid beside #063D74 — 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 #066476 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: #066476;
  --color-base-rgb: 6 100 118;
  --color-base-oklch: oklch(46.4% 0.081 216.1);
  --color-50: #F0FCFE;
  --color-100: #D8F7FD;
  --color-200: #B2EFFB;
  --color-300: #7EDEF2;
  --color-400: #4FCBE3;
  --color-500: #2BAFCA;
  --color-600: #298699;
  --color-700: #23606C;
  --color-800: #1B3F46;
  --color-900: #12272B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  teal-blue: {
    50: '#F0FCFE',
    100: '#D8F7FD',
    200: '#B2EFFB',
    300: '#7EDEF2',
    400: '#4FCBE3',
    500: '#2BAFCA',
    600: '#298699',
    700: '#23606C',
    800: '#1B3F46',
    900: '#12272B',
  },
}

$base: #066476;
$base-ink: #FFFFFF;
$base-50: #F0FCFE;
$base-100: #D8F7FD;
$base-200: #B2EFFB;
$base-300: #7EDEF2;
$base-400: #4FCBE3;
$base-500: #2BAFCA;
$base-600: #298699;
$base-700: #23606C;
$base-800: #1B3F46;
$base-900: #12272B;
$base-hover: #054E5D;
$base-subtle: #9DDFED;

{
    "color": {
        "base": {
            "value": "#066476",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FCFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F7FD",
                "type": "color"
            },
            "200": {
                "value": "#B2EFFB",
                "type": "color"
            },
            "300": {
                "value": "#7EDEF2",
                "type": "color"
            },
            "400": {
                "value": "#4FCBE3",
                "type": "color"
            },
            "500": {
                "value": "#2BAFCA",
                "type": "color"
            },
            "600": {
                "value": "#298699",
                "type": "color"
            },
            "700": {
                "value": "#23606C",
                "type": "color"
            },
            "800": {
                "value": "#1B3F46",
                "type": "color"
            },
            "900": {
                "value": "#12272B",
                "type": "color"
            }
        }
    }
}

Palettes built on #066476

Color Lab

Pairs with #066476

UI roles & guardrails

In real applications

Scales

Every model

Export