#217FEA is a mid-toned, cool indigo. 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 #217FEA works with other colors. Named schemes with #217FEA in its natural role, and a note on why the supporting colors balance it.
Azure opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
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 plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
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.
How #217FEA 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 #217FEA at work across the surfaces designers actually ship.
:root {
--color-base: #217FEA;
--color-base-rgb: 33 127 234;
--color-base-oklch: oklch(60.2% 0.182 255.4);
--color-50: #F0F7FE;
--color-100: #D9E9FD;
--color-200: #B4D4F8;
--color-300: #82B4ED;
--color-400: #5494DE;
--color-500: #3176C3;
--color-600: #2D5D95;
--color-700: #264569;
--color-800: #1C2F44;
--color-900: #131E2A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
azure: {
50: '#F0F7FE',
100: '#D9E9FD',
200: '#B4D4F8',
300: '#82B4ED',
400: '#5494DE',
500: '#3176C3',
600: '#2D5D95',
700: '#264569',
800: '#1C2F44',
900: '#131E2A',
},
}
$base: #217FEA; $base-ink: #141310; $base-50: #F0F7FE; $base-100: #D9E9FD; $base-200: #B4D4F8; $base-300: #82B4ED; $base-400: #5494DE; $base-500: #3176C3; $base-600: #2D5D95; $base-700: #264569; $base-800: #1C2F44; $base-900: #131E2A; $base-hover: #1264C2; $base-subtle: #C3D9F1;
{
"color": {
"base": {
"value": "#217FEA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D9E9FD",
"type": "color"
},
"200": {
"value": "#B4D4F8",
"type": "color"
},
"300": {
"value": "#82B4ED",
"type": "color"
},
"400": {
"value": "#5494DE",
"type": "color"
},
"500": {
"value": "#3176C3",
"type": "color"
},
"600": {
"value": "#2D5D95",
"type": "color"
},
"700": {
"value": "#264569",
"type": "color"
},
"800": {
"value": "#1C2F44",
"type": "color"
},
"900": {
"value": "#131E2A",
"type": "color"
}
}
}
}