#2B9FAB is a mid-toned, cool cyan-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 #2B9FAB works with other colors. Named schemes with #2B9FAB 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 #2B9FAB 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 #2B9FAB at work across the surfaces designers actually ship.
:root {
--color-base: #2B9FAB;
--color-base-rgb: 43 159 171;
--color-base-oklch: oklch(64.6% 0.100 205.4);
--color-50: #F2FBFC;
--color-100: #DEF5F8;
--color-200: #BEEAEF;
--color-300: #91D7DE;
--color-400: #67C1CB;
--color-500: #46A5AF;
--color-600: #3C7F86;
--color-700: #2F5B60;
--color-800: #223C3F;
--color-900: #162527;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cadet-blue: {
50: '#F2FBFC',
100: '#DEF5F8',
200: '#BEEAEF',
300: '#91D7DE',
400: '#67C1CB',
500: '#46A5AF',
600: '#3C7F86',
700: '#2F5B60',
800: '#223C3F',
900: '#162527',
},
}
$base: #2B9FAB; $base-ink: #141310; $base-50: #F2FBFC; $base-100: #DEF5F8; $base-200: #BEEAEF; $base-300: #91D7DE; $base-400: #67C1CB; $base-500: #46A5AF; $base-600: #3C7F86; $base-700: #2F5B60; $base-800: #223C3F; $base-900: #162527; $base-hover: #227F89; $base-subtle: #BEE3E7;
{
"color": {
"base": {
"value": "#2B9FAB",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FBFC",
"type": "color"
},
"100": {
"value": "#DEF5F8",
"type": "color"
},
"200": {
"value": "#BEEAEF",
"type": "color"
},
"300": {
"value": "#91D7DE",
"type": "color"
},
"400": {
"value": "#67C1CB",
"type": "color"
},
"500": {
"value": "#46A5AF",
"type": "color"
},
"600": {
"value": "#3C7F86",
"type": "color"
},
"700": {
"value": "#2F5B60",
"type": "color"
},
"800": {
"value": "#223C3F",
"type": "color"
},
"900": {
"value": "#162527",
"type": "color"
}
}
}
}