#4E82E4 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 #4E82E4 works with other colors. Named schemes with #4E82E4 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 #4E82E4 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 #4E82E4 at work across the surfaces designers actually ship.
:root {
--color-base: #4E82E4;
--color-base-rgb: 78 130 228;
--color-base-oklch: oklch(61.9% 0.159 261.8);
--color-50: #F1F5FE;
--color-100: #DBE6FB;
--color-200: #B8CDF4;
--color-300: #88A9E7;
--color-400: #5C87D6;
--color-500: #3967BC;
--color-600: #33538F;
--color-700: #2A3E65;
--color-800: #1F2B42;
--color-900: #151C29;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
signal-blue: {
50: '#F1F5FE',
100: '#DBE6FB',
200: '#B8CDF4',
300: '#88A9E7',
400: '#5C87D6',
500: '#3967BC',
600: '#33538F',
700: '#2A3E65',
800: '#1F2B42',
900: '#151C29',
},
}
$base: #4E82E4; $base-ink: #141310; $base-50: #F1F5FE; $base-100: #DBE6FB; $base-200: #B8CDF4; $base-300: #88A9E7; $base-400: #5C87D6; $base-500: #3967BC; $base-600: #33538F; $base-700: #2A3E65; $base-800: #1F2B42; $base-900: #151C29; $base-hover: #205FD5; $base-subtle: #CFDBF2;
{
"color": {
"base": {
"value": "#4E82E4",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F5FE",
"type": "color"
},
"100": {
"value": "#DBE6FB",
"type": "color"
},
"200": {
"value": "#B8CDF4",
"type": "color"
},
"300": {
"value": "#88A9E7",
"type": "color"
},
"400": {
"value": "#5C87D6",
"type": "color"
},
"500": {
"value": "#3967BC",
"type": "color"
},
"600": {
"value": "#33538F",
"type": "color"
},
"700": {
"value": "#2A3E65",
"type": "color"
},
"800": {
"value": "#1F2B42",
"type": "color"
},
"900": {
"value": "#151C29",
"type": "color"
}
}
}
}