#0A4785 is a mid-toned, cool indigo. On the Color Lab it reads clean and engineered, quietly premium. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #0A4785 works with other colors. Named schemes with #0A4785 in its natural role, and a note on why the supporting colors balance it.
Classic Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Classic 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 Classic Blue.
Classic Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Classic Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Classic 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 Classic Blue carrying the quiet middle.
How #0A4785 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 #0A4785 at work across the surfaces designers actually ship.
:root {
--color-base: #0A4785;
--color-base-rgb: 10 71 133;
--color-base-oklch: oklch(39.9% 0.119 254.0);
--color-50: #F0F7FE;
--color-100: #D8EBFD;
--color-200: #B3D6F9;
--color-300: #80B8EF;
--color-400: #5299E0;
--color-500: #2F7AC6;
--color-600: #2B6196;
--color-700: #25476A;
--color-800: #1C3045;
--color-900: #131F2A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
classic-blue: {
50: '#F0F7FE',
100: '#D8EBFD',
200: '#B3D6F9',
300: '#80B8EF',
400: '#5299E0',
500: '#2F7AC6',
600: '#2B6196',
700: '#25476A',
800: '#1C3045',
900: '#131F2A',
},
}
$base: #0A4785; $base-ink: #FFFFFF; $base-50: #F0F7FE; $base-100: #D8EBFD; $base-200: #B3D6F9; $base-300: #80B8EF; $base-400: #5299E0; $base-500: #2F7AC6; $base-600: #2B6196; $base-700: #25476A; $base-800: #1C3045; $base-900: #131F2A; $base-hover: #08396A; $base-subtle: #A4C8EC;
{
"color": {
"base": {
"value": "#0A4785",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D8EBFD",
"type": "color"
},
"200": {
"value": "#B3D6F9",
"type": "color"
},
"300": {
"value": "#80B8EF",
"type": "color"
},
"400": {
"value": "#5299E0",
"type": "color"
},
"500": {
"value": "#2F7AC6",
"type": "color"
},
"600": {
"value": "#2B6196",
"type": "color"
},
"700": {
"value": "#25476A",
"type": "color"
},
"800": {
"value": "#1C3045",
"type": "color"
},
"900": {
"value": "#131F2A",
"type": "color"
}
}
}
}