#558BDC 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 #558BDC works with other colors. Named schemes with #558BDC in its natural role, and a note on why the supporting colors balance it.
Cornflower Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cornflower Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cornflower 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 Cornflower Blue.
Cornflower 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 Cornflower Blue carrying the quiet middle.
Cornflower 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 #558BDC 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 #558BDC at work across the surfaces designers actually ship.
:root {
--color-base: #558BDC;
--color-base-rgb: 85 139 220;
--color-base-oklch: oklch(63.6% 0.135 258.3);
--color-50: #F2F6FD;
--color-100: #DCE8F9;
--color-200: #BBD1F1;
--color-300: #8DAFE2;
--color-400: #628ED0;
--color-500: #406FB5;
--color-600: #38598A;
--color-700: #2D4262;
--color-800: #212D40;
--color-900: #161D28;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cornflower-blue: {
50: '#F2F6FD',
100: '#DCE8F9',
200: '#BBD1F1',
300: '#8DAFE2',
400: '#628ED0',
500: '#406FB5',
600: '#38598A',
700: '#2D4262',
800: '#212D40',
900: '#161D28',
},
}
$base: #558BDC; $base-ink: #141310; $base-50: #F2F6FD; $base-100: #DCE8F9; $base-200: #BBD1F1; $base-300: #8DAFE2; $base-400: #628ED0; $base-500: #406FB5; $base-600: #38598A; $base-700: #2D4262; $base-800: #212D40; $base-900: #161D28; $base-hover: #2A6ACB; $base-subtle: #D1DDF0;
{
"color": {
"base": {
"value": "#558BDC",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F6FD",
"type": "color"
},
"100": {
"value": "#DCE8F9",
"type": "color"
},
"200": {
"value": "#BBD1F1",
"type": "color"
},
"300": {
"value": "#8DAFE2",
"type": "color"
},
"400": {
"value": "#628ED0",
"type": "color"
},
"500": {
"value": "#406FB5",
"type": "color"
},
"600": {
"value": "#38598A",
"type": "color"
},
"700": {
"value": "#2D4262",
"type": "color"
},
"800": {
"value": "#212D40",
"type": "color"
},
"900": {
"value": "#161D28",
"type": "color"
}
}
}
}