#499FCB 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 #499FCB works with other colors. Named schemes with #499FCB 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 #499FCB 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 #499FCB at work across the surfaces designers actually ship.
:root {
--color-base: #499FCB;
--color-base-rgb: 73 159 203;
--color-base-oklch: oklch(66.8% 0.105 233.7);
--color-50: #F3F9FC;
--color-100: #DFEFF7;
--color-200: #BFDEED;
--color-300: #93C4DC;
--color-400: #6BA8C7;
--color-500: #498BAC;
--color-600: #3E6D84;
--color-700: #314F5E;
--color-800: #23353E;
--color-900: #172126;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
carolina-blue: {
50: '#F3F9FC',
100: '#DFEFF7',
200: '#BFDEED',
300: '#93C4DC',
400: '#6BA8C7',
500: '#498BAC',
600: '#3E6D84',
700: '#314F5E',
800: '#23353E',
900: '#172126',
},
}
$base: #499FCB; $base-ink: #141310; $base-50: #F3F9FC; $base-100: #DFEFF7; $base-200: #BFDEED; $base-300: #93C4DC; $base-400: #6BA8C7; $base-500: #498BAC; $base-600: #3E6D84; $base-700: #314F5E; $base-800: #23353E; $base-900: #172126; $base-hover: #3083AC; $base-subtle: #CDE1EB;
{
"color": {
"base": {
"value": "#499FCB",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F9FC",
"type": "color"
},
"100": {
"value": "#DFEFF7",
"type": "color"
},
"200": {
"value": "#BFDEED",
"type": "color"
},
"300": {
"value": "#93C4DC",
"type": "color"
},
"400": {
"value": "#6BA8C7",
"type": "color"
},
"500": {
"value": "#498BAC",
"type": "color"
},
"600": {
"value": "#3E6D84",
"type": "color"
},
"700": {
"value": "#314F5E",
"type": "color"
},
"800": {
"value": "#23353E",
"type": "color"
},
"900": {
"value": "#172126",
"type": "color"
}
}
}
}