#2FA4E3 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 #2FA4E3 works with other colors. Named schemes with #2FA4E3 in its natural role, and a note on why the supporting colors balance it.
Carolina Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Carolina Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Carolina 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 Carolina Blue.
Carolina 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 Carolina Blue carrying the quiet middle.
Carolina 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 #2FA4E3 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 #2FA4E3 at work across the surfaces designers actually ship.
:root {
--color-base: #2FA4E3;
--color-base-rgb: 47 164 227;
--color-base-oklch: oklch(68.4% 0.136 237.9);
--color-50: #F1F9FE;
--color-100: #DAF0FB;
--color-200: #B7DFF5;
--color-300: #87C6E9;
--color-400: #5AACD8;
--color-500: #378EBD;
--color-600: #326F90;
--color-700: #295166;
--color-800: #1E3643;
--color-900: #142229;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
carolina-blue: {
50: '#F1F9FE',
100: '#DAF0FB',
200: '#B7DFF5',
300: '#87C6E9',
400: '#5AACD8',
500: '#378EBD',
600: '#326F90',
700: '#295166',
800: '#1E3643',
900: '#142229',
},
}
$base: #2FA4E3; $base-ink: #141310; $base-50: #F1F9FE; $base-100: #DAF0FB; $base-200: #B7DFF5; $base-300: #87C6E9; $base-400: #5AACD8; $base-500: #378EBD; $base-600: #326F90; $base-700: #295166; $base-800: #1E3643; $base-900: #142229; $base-hover: #1A87C2; $base-subtle: #C7E2F0;
{
"color": {
"base": {
"value": "#2FA4E3",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F9FE",
"type": "color"
},
"100": {
"value": "#DAF0FB",
"type": "color"
},
"200": {
"value": "#B7DFF5",
"type": "color"
},
"300": {
"value": "#87C6E9",
"type": "color"
},
"400": {
"value": "#5AACD8",
"type": "color"
},
"500": {
"value": "#378EBD",
"type": "color"
},
"600": {
"value": "#326F90",
"type": "color"
},
"700": {
"value": "#295166",
"type": "color"
},
"800": {
"value": "#1E3643",
"type": "color"
},
"900": {
"value": "#142229",
"type": "color"
}
}
}
}