What color is #218EA6?

#218EA6 is a dark cyan. In RGB it is rgb(33, 142, 166), and in HSL hsl(191, 67%, 39%).

Is #218EA6 accessible as text?

On white, #218EA6 has a contrast ratio of 3.83:1 (fails WCAG AA for body text); on black it is 5.48:1 (passes). For text placed on #218EA6, use black for the best readability.

What is the closest Tailwind color to #218EA6?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #218EA6?

#218EA6 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A63921. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #218EA6 below.

Is #218EA6 good for buttons?

#218EA6 works well for buttons and highlights, but use black text on #218EA6 — white text only reaches 3.83:1, below the 4.5:1 needed for normal-size labels.

Is #218EA6 the same as CSS darkcyan?

No — #218EA6 is not the CSS named color darkcyan, but darkcyan (#008B8B) is the closest CSS named color.

#218EA6 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #218EA6

Not just a swatch — here's how #218EA6 works with other colors. Named schemes with #218EA6 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #218EA6 Accent #A6C4BF Surface #DFDABF Secondary #9AA0A0 Anchor #1E3549

Bondi Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Tech Product Signal · 5 colors

Signal #218EA6 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #5CB2C8

Bondi 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 Bondi Blue.

Vintage Leather Lead · 5 colors

Lead #218EA6 Secondary #705116 Surface #E3DCC0 Accent #395244 Anchor #56233E

Bondi 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.

Berry & Cream Lead · 5 colors

Lead #218EA6 Surface #EEE9D6 Anchor #582248 Accent #E3C2CD Secondary #322B30

Bondi Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #218EA6 Secondary #93B0B9 Support #969386 Ink #16140F

Bondi 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 Bondi Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #218EA6 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 21/100

Cool

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

Softness 50/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 40/100

Low

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

Naturalness 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 53/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 27/100

Low

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

UI accent fit 86/100

Very high

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

Surface fit 32/100

Low

Usable as a tinted surface in measured doses.

Print safety 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #218EA6

For UI

For branding

For interior

For fashion

People also use #218EA6 with

Emerald Green Cobalt Blue Firebrick Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 4.9:1. Use

Subtle surface Use #D1E9EF for cards and hover fills. Tint 80

Avoid beside #2161A6 — 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 #218EA6 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: #218EA6;
  --color-base-rgb: 33 142 166;
  --color-base-oklch: oklch(59.9% 0.099 216.8);
  --color-50: #F2FBFD;
  --color-100: #DCF4F9;
  --color-200: #BBE7F1;
  --color-300: #8CD3E3;
  --color-400: #62BCD0;
  --color-500: #3FA0B5;
  --color-600: #377B8B;
  --color-700: #2C5962;
  --color-800: #203B41;
  --color-900: #162428;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  bondi-blue: {
    50: '#F2FBFD',
    100: '#DCF4F9',
    200: '#BBE7F1',
    300: '#8CD3E3',
    400: '#62BCD0',
    500: '#3FA0B5',
    600: '#377B8B',
    700: '#2C5962',
    800: '#203B41',
    900: '#162428',
  },
}

$base: #218EA6;
$base-ink: #141310;
$base-50: #F2FBFD;
$base-100: #DCF4F9;
$base-200: #BBE7F1;
$base-300: #8CD3E3;
$base-400: #62BCD0;
$base-500: #3FA0B5;
$base-600: #377B8B;
$base-700: #2C5962;
$base-800: #203B41;
$base-900: #162428;
$base-hover: #1A7185;
$base-subtle: #B9DFE8;

{
    "color": {
        "base": {
            "value": "#218EA6",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FBFD",
                "type": "color"
            },
            "100": {
                "value": "#DCF4F9",
                "type": "color"
            },
            "200": {
                "value": "#BBE7F1",
                "type": "color"
            },
            "300": {
                "value": "#8CD3E3",
                "type": "color"
            },
            "400": {
                "value": "#62BCD0",
                "type": "color"
            },
            "500": {
                "value": "#3FA0B5",
                "type": "color"
            },
            "600": {
                "value": "#377B8B",
                "type": "color"
            },
            "700": {
                "value": "#2C5962",
                "type": "color"
            },
            "800": {
                "value": "#203B41",
                "type": "color"
            },
            "900": {
                "value": "#162428",
                "type": "color"
            }
        }
    }
}

Palettes built on #218EA6

Color Lab

Pairs with #218EA6

UI roles & guardrails

In real applications

Scales

Every model

Export