#3E80DA 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 #3E80DA works with other colors. Named schemes with #3E80DA in its natural role, and a note on why the supporting colors balance it.
True Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
True 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 True Blue.
True 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.
True Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
True 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 True Blue carrying the quiet middle.
How #3E80DA 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 #3E80DA at work across the surfaces designers actually ship.
:root {
--color-base: #3E80DA;
--color-base-rgb: 62 128 218;
--color-base-oklch: oklch(60.2% 0.153 256.9);
--color-50: #F2F6FD;
--color-100: #DCE8F9;
--color-200: #BBD2F2;
--color-300: #8CB0E3;
--color-400: #6190D1;
--color-500: #3F70B6;
--color-600: #375A8B;
--color-700: #2C4363;
--color-800: #202E41;
--color-900: #151D28;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
true-blue: {
50: '#F2F6FD',
100: '#DCE8F9',
200: '#BBD2F2',
300: '#8CB0E3',
400: '#6190D1',
500: '#3F70B6',
600: '#375A8B',
700: '#2C4363',
800: '#202E41',
900: '#151D28',
},
}
$base: #3E80DA; $base-ink: #141310; $base-50: #F2F6FD; $base-100: #DCE8F9; $base-200: #BBD2F2; $base-300: #8CB0E3; $base-400: #6190D1; $base-500: #3F70B6; $base-600: #375A8B; $base-700: #2C4363; $base-800: #202E41; $base-900: #151D28; $base-hover: #2463BC; $base-subtle: #CBDAEE;
{
"color": {
"base": {
"value": "#3E80DA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F6FD",
"type": "color"
},
"100": {
"value": "#DCE8F9",
"type": "color"
},
"200": {
"value": "#BBD2F2",
"type": "color"
},
"300": {
"value": "#8CB0E3",
"type": "color"
},
"400": {
"value": "#6190D1",
"type": "color"
},
"500": {
"value": "#3F70B6",
"type": "color"
},
"600": {
"value": "#375A8B",
"type": "color"
},
"700": {
"value": "#2C4363",
"type": "color"
},
"800": {
"value": "#202E41",
"type": "color"
},
"900": {
"value": "#151D28",
"type": "color"
}
}
}
}