#5899CA 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 #5899CA works with other colors. Named schemes with #5899CA 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 #5899CA 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 #5899CA at work across the surfaces designers actually ship.
:root {
--color-base: #5899CA;
--color-base-rgb: 88 153 202;
--color-base-oklch: oklch(66.0% 0.099 242.8);
--color-50: #F3F8FC;
--color-100: #DFECF6;
--color-200: #C1D9EB;
--color-300: #96BCD9;
--color-400: #6E9FC4;
--color-500: #4D81A8;
--color-600: #416581;
--color-700: #324A5C;
--color-800: #24323D;
--color-900: #182026;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
carolina-blue: {
50: '#F3F8FC',
100: '#DFECF6',
200: '#C1D9EB',
300: '#96BCD9',
400: '#6E9FC4',
500: '#4D81A8',
600: '#416581',
700: '#324A5C',
800: '#24323D',
900: '#182026',
},
}
$base: #5899CA; $base-ink: #141310; $base-50: #F3F8FC; $base-100: #DFECF6; $base-200: #C1D9EB; $base-300: #96BCD9; $base-400: #6E9FC4; $base-500: #4D81A8; $base-600: #416581; $base-700: #324A5C; $base-800: #24323D; $base-900: #182026; $base-hover: #387CB1; $base-subtle: #D1E0EB;
{
"color": {
"base": {
"value": "#5899CA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F8FC",
"type": "color"
},
"100": {
"value": "#DFECF6",
"type": "color"
},
"200": {
"value": "#C1D9EB",
"type": "color"
},
"300": {
"value": "#96BCD9",
"type": "color"
},
"400": {
"value": "#6E9FC4",
"type": "color"
},
"500": {
"value": "#4D81A8",
"type": "color"
},
"600": {
"value": "#416581",
"type": "color"
},
"700": {
"value": "#324A5C",
"type": "color"
},
"800": {
"value": "#24323D",
"type": "color"
},
"900": {
"value": "#182026",
"type": "color"
}
}
}
}