#287DF5 is a mid-toned, cool indigo. On the Color Lab it reads clean and engineered, bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #287DF5 works with other colors. Named schemes with #287DF5 in its natural role, and a note on why the supporting colors balance it.
Azure is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Azure.
Azure opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Azure sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Azure 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 Azure carrying the quiet middle.
Azure glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #287DF5 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 #287DF5 at work across the surfaces designers actually ship.
:root {
--color-base: #287DF5;
--color-base-rgb: 40 125 245;
--color-base-oklch: oklch(60.7% 0.197 258.3);
--color-50: #F0F6FE;
--color-100: #D8E7FD;
--color-200: #B1D0FB;
--color-300: #7DAEF2;
--color-400: #4E8CE4;
--color-500: #2A6DCB;
--color-600: #28579A;
--color-700: #23416C;
--color-800: #1B2D46;
--color-900: #121D2B;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
azure: {
50: '#F0F6FE',
100: '#D8E7FD',
200: '#B1D0FB',
300: '#7DAEF2',
400: '#4E8CE4',
500: '#2A6DCB',
600: '#28579A',
700: '#23416C',
800: '#1B2D46',
900: '#121D2B',
},
}
$base: #287DF5; $base-ink: #141310; $base-50: #F0F6FE; $base-100: #D8E7FD; $base-200: #B1D0FB; $base-300: #7DAEF2; $base-400: #4E8CE4; $base-500: #2A6DCB; $base-600: #28579A; $base-700: #23416C; $base-800: #1B2D46; $base-900: #121D2B; $base-hover: #0A61DA; $base-subtle: #C6D9F5;
{
"color": {
"base": {
"value": "#287DF5",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F6FE",
"type": "color"
},
"100": {
"value": "#D8E7FD",
"type": "color"
},
"200": {
"value": "#B1D0FB",
"type": "color"
},
"300": {
"value": "#7DAEF2",
"type": "color"
},
"400": {
"value": "#4E8CE4",
"type": "color"
},
"500": {
"value": "#2A6DCB",
"type": "color"
},
"600": {
"value": "#28579A",
"type": "color"
},
"700": {
"value": "#23416C",
"type": "color"
},
"800": {
"value": "#1B2D46",
"type": "color"
},
"900": {
"value": "#121D2B",
"type": "color"
}
}
}
}