#418EB5 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 #418EB5 works with other colors. Named schemes with #418EB5 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 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 plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Ocean Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
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.
How #418EB5 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 #418EB5 at work across the surfaces designers actually ship.
:root {
--color-base: #418EB5;
--color-base-rgb: 65 142 181;
--color-base-oklch: oklch(61.5% 0.096 233.4);
--color-50: #F3F9FB;
--color-100: #E0EEF5;
--color-200: #C3DDE9;
--color-300: #99C2D6;
--color-400: #72A6C0;
--color-500: #5188A4;
--color-600: #446B7E;
--color-700: #344E5A;
--color-800: #25343C;
--color-900: #182125;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
ocean-blue: {
50: '#F3F9FB',
100: '#E0EEF5',
200: '#C3DDE9',
300: '#99C2D6',
400: '#72A6C0',
500: '#5188A4',
600: '#446B7E',
700: '#344E5A',
800: '#25343C',
900: '#182125',
},
}
$base: #418EB5; $base-ink: #141310; $base-50: #F3F9FB; $base-100: #E0EEF5; $base-200: #C3DDE9; $base-300: #99C2D6; $base-400: #72A6C0; $base-500: #5188A4; $base-600: #446B7E; $base-700: #344E5A; $base-800: #25343C; $base-900: #182125; $base-hover: #347190; $base-subtle: #C9DCE5;
{
"color": {
"base": {
"value": "#418EB5",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F9FB",
"type": "color"
},
"100": {
"value": "#E0EEF5",
"type": "color"
},
"200": {
"value": "#C3DDE9",
"type": "color"
},
"300": {
"value": "#99C2D6",
"type": "color"
},
"400": {
"value": "#72A6C0",
"type": "color"
},
"500": {
"value": "#5188A4",
"type": "color"
},
"600": {
"value": "#446B7E",
"type": "color"
},
"700": {
"value": "#344E5A",
"type": "color"
},
"800": {
"value": "#25343C",
"type": "color"
},
"900": {
"value": "#182125",
"type": "color"
}
}
}
}