#459EB2 is a mid-toned, cool blue. 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 #459EB2 works with other colors. Named schemes with #459EB2 in its natural role, and a note on why the supporting colors balance it.
Cadet Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cadet Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cadet Blue sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
Cadet 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 Cadet Blue.
Cadet 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 Cadet Blue carrying the quiet middle.
How #459EB2 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 #459EB2 at work across the surfaces designers actually ship.
:root {
--color-base: #459EB2;
--color-base-rgb: 69 158 178;
--color-base-oklch: oklch(65.3% 0.089 214.9);
--color-50: #F4FAFB;
--color-100: #E1F1F4;
--color-200: #C4E2E8;
--color-300: #9BCAD4;
--color-400: #75B0BD;
--color-500: #5493A1;
--color-600: #46727C;
--color-700: #365359;
--color-800: #26373B;
--color-900: #192225;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cadet-blue: {
50: '#F4FAFB',
100: '#E1F1F4',
200: '#C4E2E8',
300: '#9BCAD4',
400: '#75B0BD',
500: '#5493A1',
600: '#46727C',
700: '#365359',
800: '#26373B',
900: '#192225',
},
}
$base: #459EB2; $base-ink: #141310; $base-50: #F4FAFB; $base-100: #E1F1F4; $base-200: #C4E2E8; $base-300: #9BCAD4; $base-400: #75B0BD; $base-500: #5493A1; $base-600: #46727C; $base-700: #365359; $base-800: #26373B; $base-900: #192225; $base-hover: #377D8D; $base-subtle: #CAE0E5;
{
"color": {
"base": {
"value": "#459EB2",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FAFB",
"type": "color"
},
"100": {
"value": "#E1F1F4",
"type": "color"
},
"200": {
"value": "#C4E2E8",
"type": "color"
},
"300": {
"value": "#9BCAD4",
"type": "color"
},
"400": {
"value": "#75B0BD",
"type": "color"
},
"500": {
"value": "#5493A1",
"type": "color"
},
"600": {
"value": "#46727C",
"type": "color"
},
"700": {
"value": "#365359",
"type": "color"
},
"800": {
"value": "#26373B",
"type": "color"
},
"900": {
"value": "#192225",
"type": "color"
}
}
}
}