#658BF4 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 #658BF4 works with other colors. Named schemes with #658BF4 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 #658BF4 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 #658BF4 at work across the surfaces designers actually ship.
:root {
--color-base: #658BF4;
--color-base-rgb: 101 139 244;
--color-base-oklch: oklch(65.9% 0.162 267.0);
--color-50: #F0F4FE;
--color-100: #D8E2FD;
--color-200: #B3C6FA;
--color-300: #7F9DF0;
--color-400: #5177E1;
--color-500: #2E57C7;
--color-600: #2B4897;
--color-700: #24376B;
--color-800: #1C2745;
--color-900: #13192A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cornflower-blue: {
50: '#F0F4FE',
100: '#D8E2FD',
200: '#B3C6FA',
300: '#7F9DF0',
400: '#5177E1',
500: '#2E57C7',
600: '#2B4897',
700: '#24376B',
800: '#1C2745',
900: '#13192A',
},
}
$base: #658BF4; $base-ink: #141310; $base-50: #F0F4FE; $base-100: #D8E2FD; $base-200: #B3C6FA; $base-300: #7F9DF0; $base-400: #5177E1; $base-500: #2E57C7; $base-600: #2B4897; $base-700: #24376B; $base-800: #1C2745; $base-900: #13192A; $base-hover: #265CF0; $base-subtle: #D6DFF7;
{
"color": {
"base": {
"value": "#658BF4",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F4FE",
"type": "color"
},
"100": {
"value": "#D8E2FD",
"type": "color"
},
"200": {
"value": "#B3C6FA",
"type": "color"
},
"300": {
"value": "#7F9DF0",
"type": "color"
},
"400": {
"value": "#5177E1",
"type": "color"
},
"500": {
"value": "#2E57C7",
"type": "color"
},
"600": {
"value": "#2B4897",
"type": "color"
},
"700": {
"value": "#24376B",
"type": "color"
},
"800": {
"value": "#1C2745",
"type": "color"
},
"900": {
"value": "#13192A",
"type": "color"
}
}
}
}