#09427A is a deep, 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 #09427A works with other colors. Named schemes with #09427A in its natural role, and a note on why the supporting colors balance it.
Classic Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.
Classic Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Classic Blue.
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 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 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 #09427A 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 #09427A at work across the surfaces designers actually ship.
:root {
--color-base: #09427A;
--color-base-rgb: 9 66 122;
--color-base-oklch: oklch(37.8% 0.110 253.2);
--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: #09427A; $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: #073563; $base-subtle: #A1C6EB;
{
"color": {
"base": {
"value": "#09427A",
"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"
}
}
}
}