#4549BF 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 #4549BF works with other colors. Named schemes with #4549BF 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 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 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.
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 #4549BF 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 #4549BF at work across the surfaces designers actually ship.
:root {
--color-base: #4549BF;
--color-base-rgb: 69 73 191;
--color-base-oklch: oklch(47.5% 0.181 275.6);
--color-50: #F3F4FB;
--color-100: #E0E1F5;
--color-200: #C2C4EA;
--color-300: #989AD7;
--color-400: #7073C2;
--color-500: #4F52A6;
--color-600: #42447F;
--color-700: #34355B;
--color-800: #25253C;
--color-900: #181825;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
cerulean: {
50: '#F3F4FB',
100: '#E0E1F5',
200: '#C2C4EA',
300: '#989AD7',
400: '#7073C2',
500: '#4F52A6',
600: '#42447F',
700: '#34355B',
800: '#25253C',
900: '#181825',
},
}
$base: #4549BF; $base-ink: #FFFFFF; $base-50: #F3F4FB; $base-100: #E0E1F5; $base-200: #C2C4EA; $base-300: #989AD7; $base-400: #7073C2; $base-500: #4F52A6; $base-600: #42447F; $base-700: #34355B; $base-800: #25253C; $base-900: #181825; $base-hover: #35389B; $base-subtle: #CCCCE7;
{
"color": {
"base": {
"value": "#4549BF",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F4FB",
"type": "color"
},
"100": {
"value": "#E0E1F5",
"type": "color"
},
"200": {
"value": "#C2C4EA",
"type": "color"
},
"300": {
"value": "#989AD7",
"type": "color"
},
"400": {
"value": "#7073C2",
"type": "color"
},
"500": {
"value": "#4F52A6",
"type": "color"
},
"600": {
"value": "#42447F",
"type": "color"
},
"700": {
"value": "#34355B",
"type": "color"
},
"800": {
"value": "#25253C",
"type": "color"
},
"900": {
"value": "#181825",
"type": "color"
}
}
}
}