#4E80E4 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 #4E80E4 works with other colors. Named schemes with #4E80E4 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 #4E80E4 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 #4E80E4 at work across the surfaces designers actually ship.
:root {
--color-base: #4E80E4;
--color-base-rgb: 78 128 228;
--color-base-oklch: oklch(61.5% 0.161 262.6);
--color-50: #F1F5FE;
--color-100: #DBE5FB;
--color-200: #B8CCF4;
--color-300: #88A8E7;
--color-400: #5C85D6;
--color-500: #3965BC;
--color-600: #33528F;
--color-700: #2A3D65;
--color-800: #1F2B42;
--color-900: #151B29;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
signal-blue: {
50: '#F1F5FE',
100: '#DBE5FB',
200: '#B8CCF4',
300: '#88A8E7',
400: '#5C85D6',
500: '#3965BC',
600: '#33528F',
700: '#2A3D65',
800: '#1F2B42',
900: '#151B29',
},
}
$base: #4E80E4; $base-ink: #141310; $base-50: #F1F5FE; $base-100: #DBE5FB; $base-200: #B8CCF4; $base-300: #88A8E7; $base-400: #5C85D6; $base-500: #3965BC; $base-600: #33528F; $base-700: #2A3D65; $base-800: #1F2B42; $base-900: #151B29; $base-hover: #205CD5; $base-subtle: #CFDBF2;
{
"color": {
"base": {
"value": "#4E80E4",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F5FE",
"type": "color"
},
"100": {
"value": "#DBE5FB",
"type": "color"
},
"200": {
"value": "#B8CCF4",
"type": "color"
},
"300": {
"value": "#88A8E7",
"type": "color"
},
"400": {
"value": "#5C85D6",
"type": "color"
},
"500": {
"value": "#3965BC",
"type": "color"
},
"600": {
"value": "#33528F",
"type": "color"
},
"700": {
"value": "#2A3D65",
"type": "color"
},
"800": {
"value": "#1F2B42",
"type": "color"
},
"900": {
"value": "#151B29",
"type": "color"
}
}
}
}