#1380DA 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 #1380DA works with other colors. Named schemes with #1380DA 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 #1380DA 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 #1380DA at work across the surfaces designers actually ship.
:root {
--color-base: #1380DA;
--color-base-rgb: 19 128 218;
--color-base-oklch: oklch(59.1% 0.163 250.6);
--color-50: #F0F8FE;
--color-100: #D8ECFD;
--color-200: #B4DAF8;
--color-300: #81BDEE;
--color-400: #53A0DF;
--color-500: #3082C4;
--color-600: #2D6695;
--color-700: #254B69;
--color-800: #1C3245;
--color-900: #13202A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
true-blue: {
50: '#F0F8FE',
100: '#D8ECFD',
200: '#B4DAF8',
300: '#81BDEE',
400: '#53A0DF',
500: '#3082C4',
600: '#2D6695',
700: '#254B69',
800: '#1C3245',
900: '#13202A',
},
}
$base: #1380DA; $base-ink: #141310; $base-50: #F0F8FE; $base-100: #D8ECFD; $base-200: #B4DAF8; $base-300: #81BDEE; $base-400: #53A0DF; $base-500: #3082C4; $base-600: #2D6695; $base-700: #254B69; $base-800: #1C3245; $base-900: #13202A; $base-hover: #0F66AD; $base-subtle: #BBD8F0;
{
"color": {
"base": {
"value": "#1380DA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F8FE",
"type": "color"
},
"100": {
"value": "#D8ECFD",
"type": "color"
},
"200": {
"value": "#B4DAF8",
"type": "color"
},
"300": {
"value": "#81BDEE",
"type": "color"
},
"400": {
"value": "#53A0DF",
"type": "color"
},
"500": {
"value": "#3082C4",
"type": "color"
},
"600": {
"value": "#2D6695",
"type": "color"
},
"700": {
"value": "#254B69",
"type": "color"
},
"800": {
"value": "#1C3245",
"type": "color"
},
"900": {
"value": "#13202A",
"type": "color"
}
}
}
}