#498FD4 is a mid-toned, cool indigo. 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 #498FD4 works with other colors. Named schemes with #498FD4 in its natural role, and a note on why the supporting colors balance it.
Ocean Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Ocean Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Ocean 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 Ocean Blue.
Ocean 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 Ocean Blue carrying the quiet middle.
Ocean 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 #498FD4 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 #498FD4 at work across the surfaces designers actually ship.
:root {
--color-base: #498FD4;
--color-base-rgb: 73 143 212;
--color-base-oklch: oklch(63.6% 0.126 250.2);
--color-50: #F2F7FD;
--color-100: #DDEBF8;
--color-200: #BDD6EF;
--color-300: #90B8E0;
--color-400: #6699CC;
--color-500: #447AB1;
--color-600: #3A6187;
--color-700: #2E4760;
--color-800: #22303F;
--color-900: #161F27;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
ocean-blue: {
50: '#F2F7FD',
100: '#DDEBF8',
200: '#BDD6EF',
300: '#90B8E0',
400: '#6699CC',
500: '#447AB1',
600: '#3A6187',
700: '#2E4760',
800: '#22303F',
900: '#161F27',
},
}
$base: #498FD4; $base-ink: #141310; $base-50: #F2F7FD; $base-100: #DDEBF8; $base-200: #BDD6EF; $base-300: #90B8E0; $base-400: #6699CC; $base-500: #447AB1; $base-600: #3A6187; $base-700: #2E4760; $base-800: #22303F; $base-900: #161F27; $base-hover: #2B72B9; $base-subtle: #CDDDED;
{
"color": {
"base": {
"value": "#498FD4",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F7FD",
"type": "color"
},
"100": {
"value": "#DDEBF8",
"type": "color"
},
"200": {
"value": "#BDD6EF",
"type": "color"
},
"300": {
"value": "#90B8E0",
"type": "color"
},
"400": {
"value": "#6699CC",
"type": "color"
},
"500": {
"value": "#447AB1",
"type": "color"
},
"600": {
"value": "#3A6187",
"type": "color"
},
"700": {
"value": "#2E4760",
"type": "color"
},
"800": {
"value": "#22303F",
"type": "color"
},
"900": {
"value": "#161F27",
"type": "color"
}
}
}
}