#4E7CF0 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 #4E7CF0 works with other colors. Named schemes with #4E7CF0 in its natural role, and a note on why the supporting colors balance it.
Signal Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Signal 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 Signal Blue.
Signal Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Signal Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Signal 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 Signal Blue carrying the quiet middle.
How #4E7CF0 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 #4E7CF0 at work across the surfaces designers actually ship.
:root {
--color-base: #4E7CF0;
--color-base-rgb: 78 124 240;
--color-base-oklch: oklch(61.4% 0.182 265.2);
--color-50: #F0F4FE;
--color-100: #D8E3FD;
--color-200: #B4C7F8;
--color-300: #81A0EE;
--color-400: #537BDF;
--color-500: #305AC4;
--color-600: #2D4A95;
--color-700: #253969;
--color-800: #1C2845;
--color-900: #131A2A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
signal-blue: {
50: '#F0F4FE',
100: '#D8E3FD',
200: '#B4C7F8',
300: '#81A0EE',
400: '#537BDF',
500: '#305AC4',
600: '#2D4A95',
700: '#253969',
800: '#1C2845',
900: '#131A2A',
},
}
$base: #4E7CF0; $base-ink: #141310; $base-50: #F0F4FE; $base-100: #D8E3FD; $base-200: #B4C7F8; $base-300: #81A0EE; $base-400: #537BDF; $base-500: #305AC4; $base-600: #2D4A95; $base-700: #253969; $base-800: #1C2845; $base-900: #131A2A; $base-hover: #1450E9; $base-subtle: #CFDAF4;
{
"color": {
"base": {
"value": "#4E7CF0",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F4FE",
"type": "color"
},
"100": {
"value": "#D8E3FD",
"type": "color"
},
"200": {
"value": "#B4C7F8",
"type": "color"
},
"300": {
"value": "#81A0EE",
"type": "color"
},
"400": {
"value": "#537BDF",
"type": "color"
},
"500": {
"value": "#305AC4",
"type": "color"
},
"600": {
"value": "#2D4A95",
"type": "color"
},
"700": {
"value": "#253969",
"type": "color"
},
"800": {
"value": "#1C2845",
"type": "color"
},
"900": {
"value": "#131A2A",
"type": "color"
}
}
}
}