#278ADA 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 #278ADA works with other colors. Named schemes with #278ADA in its natural role, and a note on why the supporting colors balance it.
Dodger Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Dodger 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 Dodger Blue.
Dodger 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.
Dodger Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Dodger 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 Dodger Blue carrying the quiet middle.
How #278ADA 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 #278ADA at work across the surfaces designers actually ship.
:root {
--color-base: #278ADA;
--color-base-rgb: 39 138 218;
--color-base-oklch: oklch(61.7% 0.150 248.1);
--color-50: #F1F8FD;
--color-100: #DBECFA;
--color-200: #B9D9F3;
--color-300: #8ABCE5;
--color-400: #5E9FD4;
--color-500: #3C81B9;
--color-600: #35658D;
--color-700: #2B4A64;
--color-800: #1F3242;
--color-900: #152028;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dodger-blue: {
50: '#F1F8FD',
100: '#DBECFA',
200: '#B9D9F3',
300: '#8ABCE5',
400: '#5E9FD4',
500: '#3C81B9',
600: '#35658D',
700: '#2B4A64',
800: '#1F3242',
900: '#152028',
},
}
$base: #278ADA; $base-ink: #141310; $base-50: #F1F8FD; $base-100: #DBECFA; $base-200: #B9D9F3; $base-300: #8ABCE5; $base-400: #5E9FD4; $base-500: #3C81B9; $base-600: #35658D; $base-700: #2B4A64; $base-800: #1F3242; $base-900: #152028; $base-hover: #1E6DAE; $base-subtle: #C4DBED;
{
"color": {
"base": {
"value": "#278ADA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F8FD",
"type": "color"
},
"100": {
"value": "#DBECFA",
"type": "color"
},
"200": {
"value": "#B9D9F3",
"type": "color"
},
"300": {
"value": "#8ABCE5",
"type": "color"
},
"400": {
"value": "#5E9FD4",
"type": "color"
},
"500": {
"value": "#3C81B9",
"type": "color"
},
"600": {
"value": "#35658D",
"type": "color"
},
"700": {
"value": "#2B4A64",
"type": "color"
},
"800": {
"value": "#1F3242",
"type": "color"
},
"900": {
"value": "#152028",
"type": "color"
}
}
}
}