#499FBC 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 #499FBC works with other colors. Named schemes with #499FBC 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 #499FBC 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 #499FBC at work across the surfaces designers actually ship.
:root {
--color-base: #499FBC;
--color-base-rgb: 73 159 188;
--color-base-oklch: oklch(66.1% 0.093 223.1);
--color-50: #F3F9FB;
--color-100: #E1F0F5;
--color-200: #C4E0E9;
--color-300: #9AC6D5;
--color-400: #73ACBF;
--color-500: #528FA3;
--color-600: #446F7E;
--color-700: #35515A;
--color-800: #25363C;
--color-900: #182225;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
carolina-blue: {
50: '#F3F9FB',
100: '#E1F0F5',
200: '#C4E0E9',
300: '#9AC6D5',
400: '#73ACBF',
500: '#528FA3',
600: '#446F7E',
700: '#35515A',
800: '#25363C',
900: '#182225',
},
}
$base: #499FBC; $base-ink: #141310; $base-50: #F3F9FB; $base-100: #E1F0F5; $base-200: #C4E0E9; $base-300: #9AC6D5; $base-400: #73ACBF; $base-500: #528FA3; $base-600: #446F7E; $base-700: #35515A; $base-800: #25363C; $base-900: #182225; $base-hover: #388098; $base-subtle: #CCE0E7;
{
"color": {
"base": {
"value": "#499FBC",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F9FB",
"type": "color"
},
"100": {
"value": "#E1F0F5",
"type": "color"
},
"200": {
"value": "#C4E0E9",
"type": "color"
},
"300": {
"value": "#9AC6D5",
"type": "color"
},
"400": {
"value": "#73ACBF",
"type": "color"
},
"500": {
"value": "#528FA3",
"type": "color"
},
"600": {
"value": "#446F7E",
"type": "color"
},
"700": {
"value": "#35515A",
"type": "color"
},
"800": {
"value": "#25363C",
"type": "color"
},
"900": {
"value": "#182225",
"type": "color"
}
}
}
}