#3BA3BA is a mid-toned, cool blue. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #3BA3BA works with other colors. Named schemes with #3BA3BA in its natural role, and a note on why the supporting colors balance it.
Cadet Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cadet Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cadet 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 Cadet Blue.
Cadet 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 Cadet Blue carrying the quiet middle.
Cadet 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 #3BA3BA 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 #3BA3BA at work across the surfaces designers actually ship.
:root {
--color-base: #3BA3BA;
--color-base-rgb: 59 163 186;
--color-base-oklch: oklch(66.6% 0.099 215.3);
--color-50: #F3FAFC;
--color-100: #DFF2F6;
--color-200: #C1E4EB;
--color-300: #96CDD9;
--color-400: #6EB4C4;
--color-500: #4D97A8;
--color-600: #417581;
--color-700: #32555C;
--color-800: #24383D;
--color-900: #182326;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cadet-blue: {
50: '#F3FAFC',
100: '#DFF2F6',
200: '#C1E4EB',
300: '#96CDD9',
400: '#6EB4C4',
500: '#4D97A8',
600: '#417581',
700: '#32555C',
800: '#24383D',
900: '#182326',
},
}
$base: #3BA3BA; $base-ink: #141310; $base-50: #F3FAFC; $base-100: #DFF2F6; $base-200: #C1E4EB; $base-300: #96CDD9; $base-400: #6EB4C4; $base-500: #4D97A8; $base-600: #417581; $base-700: #32555C; $base-800: #24383D; $base-900: #182326; $base-hover: #2F8295; $base-subtle: #C7E1E7;
{
"color": {
"base": {
"value": "#3BA3BA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FAFC",
"type": "color"
},
"100": {
"value": "#DFF2F6",
"type": "color"
},
"200": {
"value": "#C1E4EB",
"type": "color"
},
"300": {
"value": "#96CDD9",
"type": "color"
},
"400": {
"value": "#6EB4C4",
"type": "color"
},
"500": {
"value": "#4D97A8",
"type": "color"
},
"600": {
"value": "#417581",
"type": "color"
},
"700": {
"value": "#32555C",
"type": "color"
},
"800": {
"value": "#24383D",
"type": "color"
},
"900": {
"value": "#182326",
"type": "color"
}
}
}
}