#4288DA 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 #4288DA works with other colors. Named schemes with #4288DA 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 keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal 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 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.
Dodger Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
How #4288DA 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 #4288DA at work across the surfaces designers actually ship.
:root {
--color-base: #4288DA;
--color-base-rgb: 66 136 218;
--color-base-oklch: oklch(62.1% 0.143 254.1);
--color-50: #F2F7FD;
--color-100: #DCEAF9;
--color-200: #BBD4F1;
--color-300: #8CB5E3;
--color-400: #6295D0;
--color-500: #3F76B5;
--color-600: #375E8B;
--color-700: #2C4662;
--color-800: #202F41;
--color-900: #161E28;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dodger-blue: {
50: '#F2F7FD',
100: '#DCEAF9',
200: '#BBD4F1',
300: '#8CB5E3',
400: '#6295D0',
500: '#3F76B5',
600: '#375E8B',
700: '#2C4662',
800: '#202F41',
900: '#161E28',
},
}
$base: #4288DA; $base-ink: #141310; $base-50: #F2F7FD; $base-100: #DCEAF9; $base-200: #BBD4F1; $base-300: #8CB5E3; $base-400: #6295D0; $base-500: #3F76B5; $base-600: #375E8B; $base-700: #2C4662; $base-800: #202F41; $base-900: #161E28; $base-hover: #266DBF; $base-subtle: #CCDCEE;
{
"color": {
"base": {
"value": "#4288DA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F7FD",
"type": "color"
},
"100": {
"value": "#DCEAF9",
"type": "color"
},
"200": {
"value": "#BBD4F1",
"type": "color"
},
"300": {
"value": "#8CB5E3",
"type": "color"
},
"400": {
"value": "#6295D0",
"type": "color"
},
"500": {
"value": "#3F76B5",
"type": "color"
},
"600": {
"value": "#375E8B",
"type": "color"
},
"700": {
"value": "#2C4662",
"type": "color"
},
"800": {
"value": "#202F41",
"type": "color"
},
"900": {
"value": "#161E28",
"type": "color"
}
}
}
}