#5B7EA4 is a mid-toned, cool indigo. On the Color Lab it reads clean and engineered, restrained and easy to live with. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #5B7EA4 works with other colors. Named schemes with #5B7EA4 in its natural role, and a note on why the supporting colors balance it.
Glaucous opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Glaucous keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Glaucous is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Glaucous.
Glaucous plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Glaucous 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 Glaucous carrying the quiet middle.
How #5B7EA4 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 #5B7EA4 at work across the surfaces designers actually ship.
:root {
--color-base: #5B7EA4;
--color-base-rgb: 91 126 164;
--color-base-oklch: oklch(58.2% 0.071 251.1);
--color-50: #F5F7FA;
--color-100: #E4EAF1;
--color-200: #CAD6E2;
--color-300: #A5B7CA;
--color-400: #8198B1;
--color-500: #617A94;
--color-600: #4F6073;
--color-700: #3C4753;
--color-800: #293037;
--color-900: #1B1E23;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
glaucous: {
50: '#F5F7FA',
100: '#E4EAF1',
200: '#CAD6E2',
300: '#A5B7CA',
400: '#8198B1',
500: '#617A94',
600: '#4F6073',
700: '#3C4753',
800: '#293037',
900: '#1B1E23',
},
}
$base: #5B7EA4; $base-ink: #141310; $base-50: #F5F7FA; $base-100: #E4EAF1; $base-200: #CAD6E2; $base-300: #A5B7CA; $base-400: #8198B1; $base-500: #617A94; $base-600: #4F6073; $base-700: #3C4753; $base-800: #293037; $base-900: #1B1E23; $base-hover: #486584; $base-subtle: #D0D8E1;
{
"color": {
"base": {
"value": "#5B7EA4",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F7FA",
"type": "color"
},
"100": {
"value": "#E4EAF1",
"type": "color"
},
"200": {
"value": "#CAD6E2",
"type": "color"
},
"300": {
"value": "#A5B7CA",
"type": "color"
},
"400": {
"value": "#8198B1",
"type": "color"
},
"500": {
"value": "#617A94",
"type": "color"
},
"600": {
"value": "#4F6073",
"type": "color"
},
"700": {
"value": "#3C4753",
"type": "color"
},
"800": {
"value": "#293037",
"type": "color"
},
"900": {
"value": "#1B1E23",
"type": "color"
}
}
}
}