#658AEF is a mid-toned, cool violet. 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 #658AEF works with other colors. Named schemes with #658AEF 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 #658AEF 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 #658AEF at work across the surfaces designers actually ship.
:root {
--color-base: #658AEF;
--color-base-rgb: 101 138 239;
--color-base-oklch: oklch(65.4% 0.156 266.9);
--color-50: #F1F4FE;
--color-100: #D9E2FC;
--color-200: #B5C7F7;
--color-300: #839FEC;
--color-400: #567ADC;
--color-500: #3359C2;
--color-600: #2E4993;
--color-700: #273868;
--color-800: #1D2744;
--color-900: #14192A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cornflower-blue: {
50: '#F1F4FE',
100: '#D9E2FC',
200: '#B5C7F7',
300: '#839FEC',
400: '#567ADC',
500: '#3359C2',
600: '#2E4993',
700: '#273868',
800: '#1D2744',
900: '#14192A',
},
}
$base: #658AEF; $base-ink: #141310; $base-50: #F1F4FE; $base-100: #D9E2FC; $base-200: #B5C7F7; $base-300: #839FEC; $base-400: #567ADC; $base-500: #3359C2; $base-600: #2E4993; $base-700: #273868; $base-800: #1D2744; $base-900: #14192A; $base-hover: #295CE9; $base-subtle: #D6DFF5;
{
"color": {
"base": {
"value": "#658AEF",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F4FE",
"type": "color"
},
"100": {
"value": "#D9E2FC",
"type": "color"
},
"200": {
"value": "#B5C7F7",
"type": "color"
},
"300": {
"value": "#839FEC",
"type": "color"
},
"400": {
"value": "#567ADC",
"type": "color"
},
"500": {
"value": "#3359C2",
"type": "color"
},
"600": {
"value": "#2E4993",
"type": "color"
},
"700": {
"value": "#273868",
"type": "color"
},
"800": {
"value": "#1D2744",
"type": "color"
},
"900": {
"value": "#14192A",
"type": "color"
}
}
}
}