#249FCC 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 #249FCC works with other colors. Named schemes with #249FCC 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 #249FCC 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 #249FCC at work across the surfaces designers actually ship.
:root {
--color-base: #249FCC;
--color-base-rgb: 36 159 204;
--color-base-oklch: oklch(65.9% 0.121 228.7);
--color-50: #F1FAFD;
--color-100: #DBF2FA;
--color-200: #BAE3F3;
--color-300: #8ACDE5;
--color-400: #5FB4D3;
--color-500: #3D97B8;
--color-600: #35758C;
--color-700: #2B5564;
--color-800: #203841;
--color-900: #152328;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
carolina-blue: {
50: '#F1FAFD',
100: '#DBF2FA',
200: '#BAE3F3',
300: '#8ACDE5',
400: '#5FB4D3',
500: '#3D97B8',
600: '#35758C',
700: '#2B5564',
800: '#203841',
900: '#152328',
},
}
$base: #249FCC; $base-ink: #141310; $base-50: #F1FAFD; $base-100: #DBF2FA; $base-200: #BAE3F3; $base-300: #8ACDE5; $base-400: #5FB4D3; $base-500: #3D97B8; $base-600: #35758C; $base-700: #2B5564; $base-800: #203841; $base-900: #152328; $base-hover: #1D7FA3; $base-subtle: #C1E1EC;
{
"color": {
"base": {
"value": "#249FCC",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FAFD",
"type": "color"
},
"100": {
"value": "#DBF2FA",
"type": "color"
},
"200": {
"value": "#BAE3F3",
"type": "color"
},
"300": {
"value": "#8ACDE5",
"type": "color"
},
"400": {
"value": "#5FB4D3",
"type": "color"
},
"500": {
"value": "#3D97B8",
"type": "color"
},
"600": {
"value": "#35758C",
"type": "color"
},
"700": {
"value": "#2B5564",
"type": "color"
},
"800": {
"value": "#203841",
"type": "color"
},
"900": {
"value": "#152328",
"type": "color"
}
}
}
}