#2BCBF3 is a mid-toned, cool blue. On the Color Lab it reads clean and engineered. It sits well as a supporting tone.
Not just a swatch — here's how #2BCBF3 works with other colors. Named schemes with #2BCBF3 in its natural role, and a note on why the supporting colors balance it.
Lagoon Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Lagoon Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Lagoon 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 Lagoon Blue.
Lagoon 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 Lagoon Blue carrying the quiet middle.
Lagoon 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.
How #2BCBF3 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.
Not a swatch to memorise — a color to build with. Here is #2BCBF3 at work across the surfaces designers actually ship.
:root {
--color-base: #2BCBF3;
--color-base-rgb: 43 203 243;
--color-base-oklch: oklch(78.1% 0.134 220.1);
--color-50: #F0FCFE;
--color-100: #D8F6FD;
--color-200: #B2ECFA;
--color-300: #7EDAF1;
--color-400: #4FC5E3;
--color-500: #2CA9C9;
--color-600: #2A8298;
--color-700: #235D6B;
--color-800: #1B3D46;
--color-900: #13262B;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
lagoon-blue: {
50: '#F0FCFE',
100: '#D8F6FD',
200: '#B2ECFA',
300: '#7EDAF1',
400: '#4FC5E3',
500: '#2CA9C9',
600: '#2A8298',
700: '#235D6B',
800: '#1B3D46',
900: '#13262B',
},
}
$base: #2BCBF3; $base-ink: #141310; $base-50: #F0FCFE; $base-100: #D8F6FD; $base-200: #B2ECFA; $base-300: #7EDAF1; $base-400: #4FC5E3; $base-500: #2CA9C9; $base-600: #2A8298; $base-700: #235D6B; $base-800: #1B3D46; $base-900: #13262B; $base-hover: #0DAFD8; $base-subtle: #C7EBF4;
{
"color": {
"base": {
"value": "#2BCBF3",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FCFE",
"type": "color"
},
"100": {
"value": "#D8F6FD",
"type": "color"
},
"200": {
"value": "#B2ECFA",
"type": "color"
},
"300": {
"value": "#7EDAF1",
"type": "color"
},
"400": {
"value": "#4FC5E3",
"type": "color"
},
"500": {
"value": "#2CA9C9",
"type": "color"
},
"600": {
"value": "#2A8298",
"type": "color"
},
"700": {
"value": "#235D6B",
"type": "color"
},
"800": {
"value": "#1B3D46",
"type": "color"
},
"900": {
"value": "#13262B",
"type": "color"
}
}
}
}