#618FFC is a mid-toned, cool violet. On the Color Lab it reads clean and engineered, bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #618FFC works with other colors. Named schemes with #618FFC in its natural role, and a note on why the supporting colors balance it.
Cornflower Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cornflower Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cornflower 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 Cornflower Blue.
Cornflower 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 Cornflower Blue carrying the quiet middle.
Cornflower 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 #618FFC 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 #618FFC at work across the surfaces designers actually ship.
:root {
--color-base: #618FFC;
--color-base-rgb: 97 143 252;
--color-base-oklch: oklch(66.9% 0.169 265.0);
--color-50: #F0F5FE;
--color-100: #D8E3FD;
--color-200: #B1C7FC;
--color-300: #7A9FF6;
--color-400: #4A79E8;
--color-500: #2659CF;
--color-600: #25499D;
--color-700: #21386E;
--color-800: #192748;
--color-900: #12192C;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cornflower-blue: {
50: '#F0F5FE',
100: '#D8E3FD',
200: '#B1C7FC',
300: '#7A9FF6',
400: '#4A79E8',
500: '#2659CF',
600: '#25499D',
700: '#21386E',
800: '#192748',
900: '#12192C',
},
}
$base: #618FFC; $base-ink: #141310; $base-50: #F0F5FE; $base-100: #D8E3FD; $base-200: #B1C7FC; $base-300: #7A9FF6; $base-400: #4A79E8; $base-500: #2659CF; $base-600: #25499D; $base-700: #21386E; $base-800: #192748; $base-900: #12192C; $base-hover: #1B5EFA; $base-subtle: #D5DFF8;
{
"color": {
"base": {
"value": "#618FFC",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F5FE",
"type": "color"
},
"100": {
"value": "#D8E3FD",
"type": "color"
},
"200": {
"value": "#B1C7FC",
"type": "color"
},
"300": {
"value": "#7A9FF6",
"type": "color"
},
"400": {
"value": "#4A79E8",
"type": "color"
},
"500": {
"value": "#2659CF",
"type": "color"
},
"600": {
"value": "#25499D",
"type": "color"
},
"700": {
"value": "#21386E",
"type": "color"
},
"800": {
"value": "#192748",
"type": "color"
},
"900": {
"value": "#12192C",
"type": "color"
}
}
}
}