What color is #18A2BB?

#18A2BB is a medium, vivid cyan. In RGB it is rgb(24, 162, 187), and in HSL hsl(189, 77%, 41%).

Is #18A2BB accessible as text?

On white, #18A2BB has a contrast ratio of 3.03:1 (fails WCAG AA for body text); on black it is 6.92:1 (passes). For text placed on #18A2BB, use black for the best readability.

What is the closest Tailwind color to #18A2BB?

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

What colors go well with #18A2BB?

#18A2BB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B93018. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #18A2BB below.

Is #18A2BB good for buttons?

#18A2BB works well for buttons and highlights, but use black text on #18A2BB — white text only reaches 3.03:1, below the 4.5:1 needed for normal-size labels.

Is #18A2BB the same as CSS cadetblue?

No — #18A2BB is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#18A2BB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #18A2BB

Not just a swatch — here's how #18A2BB works with other colors. Named schemes with #18A2BB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #18A2BB Accent #A6C4BE Surface #DFDABE 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.

Nordic Calm Accent · 5 colors

Accent #18A2BB Secondary #AEB4B8 Surface #F1F2F0 Support #7B94A5 Anchor #2E3236

Bondi 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 #18A2BB Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #60C7DE

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #18A2BB Secondary #A1C4CC 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.

Modern Café Dominant · 5 colors

Dominant #18A2BB Anchor #372C1D Surface #EBE5D0 Accent #7E9D74 Secondary #393933

Bondi Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #18A2BB 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 18/100

Cool

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

Softness 53/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 34/100

Low

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

Naturalness 4/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 43/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 73/100

High

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

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 70/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #18A2BB

For UI

For branding

For interior

For fashion

People also use #18A2BB 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 6.1:1. Use

Subtle surface Use #D0EDF2 for cards and hover fills. Tint 80

Avoid beside #186BB9 — 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 #18A2BB 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: #18A2BB;
  --color-base-rgb: 24 162 187;
  --color-base-oklch: oklch(65.7% 0.112 214.4);
  --color-50: #F1FCFE;
  --color-100: #DAF6FB;
  --color-200: #B7ECF5;
  --color-300: #86DAE9;
  --color-400: #59C6D9;
  --color-500: #37AABE;
  --color-600: #318291;
  --color-700: #285D66;
  --color-800: #1E3D43;
  --color-900: #142629;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  bondi-blue: {
    50: '#F1FCFE',
    100: '#DAF6FB',
    200: '#B7ECF5',
    300: '#86DAE9',
    400: '#59C6D9',
    500: '#37AABE',
    600: '#318291',
    700: '#285D66',
    800: '#1E3D43',
    900: '#142629',
  },
}

$base: #18A2BB;
$base-ink: #141310;
$base-50: #F1FCFE;
$base-100: #DAF6FB;
$base-200: #B7ECF5;
$base-300: #86DAE9;
$base-400: #59C6D9;
$base-500: #37AABE;
$base-600: #318291;
$base-700: #285D66;
$base-800: #1E3D43;
$base-900: #142629;
$base-hover: #138194;
$base-subtle: #B7E4EC;

{
    "color": {
        "base": {
            "value": "#18A2BB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FCFE",
                "type": "color"
            },
            "100": {
                "value": "#DAF6FB",
                "type": "color"
            },
            "200": {
                "value": "#B7ECF5",
                "type": "color"
            },
            "300": {
                "value": "#86DAE9",
                "type": "color"
            },
            "400": {
                "value": "#59C6D9",
                "type": "color"
            },
            "500": {
                "value": "#37AABE",
                "type": "color"
            },
            "600": {
                "value": "#318291",
                "type": "color"
            },
            "700": {
                "value": "#285D66",
                "type": "color"
            },
            "800": {
                "value": "#1E3D43",
                "type": "color"
            },
            "900": {
                "value": "#142629",
                "type": "color"
            }
        }
    }
}

Palettes built on #18A2BB

Color Lab

Pairs with #18A2BB

UI roles & guardrails

In real applications

Scales

Every model

Export