#4E9EF4 is a mid-toned, cool indigo. 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 #4E9EF4 works with other colors. Named schemes with #4E9EF4 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 #4E9EF4 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 #4E9EF4 at work across the surfaces designers actually ship.
:root {
--color-base: #4E9EF4;
--color-base-rgb: 78 158 244;
--color-base-oklch: oklch(68.8% 0.150 252.3);
--color-50: #F0F7FE;
--color-100: #D8EAFD;
--color-200: #B2D5FA;
--color-300: #7FB6F0;
--color-400: #5097E2;
--color-500: #2D78C8;
--color-600: #2A5F98;
--color-700: #24466B;
--color-800: #1B3046;
--color-900: #131E2B;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cornflower-blue: {
50: '#F0F7FE',
100: '#D8EAFD',
200: '#B2D5FA',
300: '#7FB6F0',
400: '#5097E2',
500: '#2D78C8',
600: '#2A5F98',
700: '#24466B',
800: '#1B3046',
900: '#131E2B',
},
}
$base: #4E9EF4; $base-ink: #141310; $base-50: #F0F7FE; $base-100: #D8EAFD; $base-200: #B2D5FA; $base-300: #7FB6F0; $base-400: #5097E2; $base-500: #2D78C8; $base-600: #2A5F98; $base-700: #24466B; $base-800: #1B3046; $base-900: #131E2B; $base-hover: #117DF0; $base-subtle: #D0E2F6;
{
"color": {
"base": {
"value": "#4E9EF4",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D8EAFD",
"type": "color"
},
"200": {
"value": "#B2D5FA",
"type": "color"
},
"300": {
"value": "#7FB6F0",
"type": "color"
},
"400": {
"value": "#5097E2",
"type": "color"
},
"500": {
"value": "#2D78C8",
"type": "color"
},
"600": {
"value": "#2A5F98",
"type": "color"
},
"700": {
"value": "#24466B",
"type": "color"
},
"800": {
"value": "#1B3046",
"type": "color"
},
"900": {
"value": "#131E2B",
"type": "color"
}
}
}
}