#3FA6E2 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 #3FA6E2 works with other colors. Named schemes with #3FA6E2 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 #3FA6E2 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 #3FA6E2 at work across the surfaces designers actually ship.
:root {
--color-base: #3FA6E2;
--color-base-rgb: 63 166 226;
--color-base-oklch: oklch(69.2% 0.128 238.5);
--color-50: #F1F9FE;
--color-100: #DBEFFB;
--color-200: #B8DEF4;
--color-300: #88C4E7;
--color-400: #5CA9D6;
--color-500: #398CBC;
--color-600: #336D8F;
--color-700: #2A4F65;
--color-800: #1F3542;
--color-900: #152129;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
carolina-blue: {
50: '#F1F9FE',
100: '#DBEFFB',
200: '#B8DEF4',
300: '#88C4E7',
400: '#5CA9D6',
500: '#398CBC',
600: '#336D8F',
700: '#2A4F65',
800: '#1F3542',
900: '#152129',
},
}
$base: #3FA6E2; $base-ink: #141310; $base-50: #F1F9FE; $base-100: #DBEFFB; $base-200: #B8DEF4; $base-300: #88C4E7; $base-400: #5CA9D6; $base-500: #398CBC; $base-600: #336D8F; $base-700: #2A4F65; $base-800: #1F3542; $base-900: #152129; $base-hover: #1E8BCA; $base-subtle: #CCE3F1;
{
"color": {
"base": {
"value": "#3FA6E2",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F9FE",
"type": "color"
},
"100": {
"value": "#DBEFFB",
"type": "color"
},
"200": {
"value": "#B8DEF4",
"type": "color"
},
"300": {
"value": "#88C4E7",
"type": "color"
},
"400": {
"value": "#5CA9D6",
"type": "color"
},
"500": {
"value": "#398CBC",
"type": "color"
},
"600": {
"value": "#336D8F",
"type": "color"
},
"700": {
"value": "#2A4F65",
"type": "color"
},
"800": {
"value": "#1F3542",
"type": "color"
},
"900": {
"value": "#152129",
"type": "color"
}
}
}
}