#419CFD is a mid-toned, cool indigo. 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 #419CFD works with other colors. Named schemes with #419CFD 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 #419CFD 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 #419CFD at work across the surfaces designers actually ship.
:root {
--color-base: #419CFD;
--color-base-rgb: 65 156 253;
--color-base-oklch: oklch(68.5% 0.167 252.7);
--color-50: #F0F7FE;
--color-100: #D8EAFD;
--color-200: #B1D5FC;
--color-300: #78B5F7;
--color-400: #4896EA;
--color-500: #2478D1;
--color-600: #245F9E;
--color-700: #20466F;
--color-800: #193048;
--color-900: #111E2C;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cornflower-blue: {
50: '#F0F7FE',
100: '#D8EAFD',
200: '#B1D5FC',
300: '#78B5F7',
400: '#4896EA',
500: '#2478D1',
600: '#245F9E',
700: '#20466F',
800: '#193048',
900: '#111E2C',
},
}
$base: #419CFD; $base-ink: #141310; $base-50: #F0F7FE; $base-100: #D8EAFD; $base-200: #B1D5FC; $base-300: #78B5F7; $base-400: #4896EA; $base-500: #2478D1; $base-600: #245F9E; $base-700: #20466F; $base-800: #193048; $base-900: #111E2C; $base-hover: #037AFA; $base-subtle: #CCE1F8;
{
"color": {
"base": {
"value": "#419CFD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D8EAFD",
"type": "color"
},
"200": {
"value": "#B1D5FC",
"type": "color"
},
"300": {
"value": "#78B5F7",
"type": "color"
},
"400": {
"value": "#4896EA",
"type": "color"
},
"500": {
"value": "#2478D1",
"type": "color"
},
"600": {
"value": "#245F9E",
"type": "color"
},
"700": {
"value": "#20466F",
"type": "color"
},
"800": {
"value": "#193048",
"type": "color"
},
"900": {
"value": "#111E2C",
"type": "color"
}
}
}
}