#487FE5 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 #487FE5 works with other colors. Named schemes with #487FE5 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 #487FE5 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 #487FE5 at work across the surfaces designers actually ship.
:root {
--color-base: #487FE5;
--color-base-rgb: 72 127 229;
--color-base-oklch: oklch(61.0% 0.165 261.5);
--color-50: #F1F5FE;
--color-100: #DAE6FB;
--color-200: #B8CDF5;
--color-300: #87A9E8;
--color-400: #5B86D7;
--color-500: #3867BC;
--color-600: #325390;
--color-700: #293E66;
--color-800: #1E2B42;
--color-900: #141C29;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
signal-blue: {
50: '#F1F5FE',
100: '#DAE6FB',
200: '#B8CDF5',
300: '#87A9E8',
400: '#5B86D7',
500: '#3867BC',
600: '#325390',
700: '#293E66',
800: '#1E2B42',
900: '#141C29',
},
}
$base: #487FE5; $base-ink: #141310; $base-50: #F1F5FE; $base-100: #DAE6FB; $base-200: #B8CDF5; $base-300: #87A9E8; $base-400: #5B86D7; $base-500: #3867BC; $base-600: #325390; $base-700: #293E66; $base-800: #1E2B42; $base-900: #141C29; $base-hover: #1E5DD3; $base-subtle: #CEDAF2;
{
"color": {
"base": {
"value": "#487FE5",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F5FE",
"type": "color"
},
"100": {
"value": "#DAE6FB",
"type": "color"
},
"200": {
"value": "#B8CDF5",
"type": "color"
},
"300": {
"value": "#87A9E8",
"type": "color"
},
"400": {
"value": "#5B86D7",
"type": "color"
},
"500": {
"value": "#3867BC",
"type": "color"
},
"600": {
"value": "#325390",
"type": "color"
},
"700": {
"value": "#293E66",
"type": "color"
},
"800": {
"value": "#1E2B42",
"type": "color"
},
"900": {
"value": "#141C29",
"type": "color"
}
}
}
}