#3853BC is a mid-toned, cool violet. 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 #3853BC works with other colors. Named schemes with #3853BC in its natural role, and a note on why the supporting colors balance it.
Cerulean opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cerulean is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cerulean.
Cerulean plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Cerulean sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Cerulean 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 Cerulean carrying the quiet middle.
How #3853BC 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 #3853BC at work across the surfaces designers actually ship.
:root {
--color-base: #3853BC;
--color-base-rgb: 56 83 188;
--color-base-oklch: oklch(48.4% 0.168 268.5);
--color-50: #F3F5FC;
--color-100: #DFE4F6;
--color-200: #C0C9EC;
--color-300: #95A3DA;
--color-400: #6C7EC6;
--color-500: #4B5EAA;
--color-600: #3F4D83;
--color-700: #323A5D;
--color-800: #23293D;
--color-900: #171A26;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
cerulean: {
50: '#F3F5FC',
100: '#DFE4F6',
200: '#C0C9EC',
300: '#95A3DA',
400: '#6C7EC6',
500: '#4B5EAA',
600: '#3F4D83',
700: '#323A5D',
800: '#23293D',
900: '#171A26',
},
}
$base: #3853BC; $base-ink: #FFFFFF; $base-50: #F3F5FC; $base-100: #DFE4F6; $base-200: #C0C9EC; $base-300: #95A3DA; $base-400: #6C7EC6; $base-500: #4B5EAA; $base-600: #3F4D83; $base-700: #323A5D; $base-800: #23293D; $base-900: #171A26; $base-hover: #2D4297; $base-subtle: #C7CDE8;
{
"color": {
"base": {
"value": "#3853BC",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F5FC",
"type": "color"
},
"100": {
"value": "#DFE4F6",
"type": "color"
},
"200": {
"value": "#C0C9EC",
"type": "color"
},
"300": {
"value": "#95A3DA",
"type": "color"
},
"400": {
"value": "#6C7EC6",
"type": "color"
},
"500": {
"value": "#4B5EAA",
"type": "color"
},
"600": {
"value": "#3F4D83",
"type": "color"
},
"700": {
"value": "#323A5D",
"type": "color"
},
"800": {
"value": "#23293D",
"type": "color"
},
"900": {
"value": "#171A26",
"type": "color"
}
}
}
}