#174698 is a mid-toned, cool violet. 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 #174698 works with other colors. Named schemes with #174698 in its natural role, and a note on why the supporting colors balance it.
Cobalt Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cobalt 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 Cobalt Blue.
Cobalt 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.
Cobalt Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Cobalt 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 Cobalt Blue carrying the quiet middle.
How #174698 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 #174698 at work across the surfaces designers actually ship.
:root {
--color-base: #174698;
--color-base-rgb: 23 70 152;
--color-base-oklch: oklch(41.4% 0.144 260.8);
--color-50: #F1F6FE;
--color-100: #DBE6FB;
--color-200: #B8CEF4;
--color-300: #88ABE7;
--color-400: #5C89D6;
--color-500: #3969BC;
--color-600: #33558F;
--color-700: #2A3F65;
--color-800: #1F2C42;
--color-900: #151C29;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
cobalt-blue: {
50: '#F1F6FE',
100: '#DBE6FB',
200: '#B8CEF4',
300: '#88ABE7',
400: '#5C89D6',
500: '#3969BC',
600: '#33558F',
700: '#2A3F65',
800: '#1F2C42',
900: '#151C29',
},
}
$base: #174698; $base-ink: #FFFFFF; $base-50: #F1F6FE; $base-100: #DBE6FB; $base-200: #B8CEF4; $base-300: #88ABE7; $base-400: #5C89D6; $base-500: #3969BC; $base-600: #33558F; $base-700: #2A3F65; $base-800: #1F2C42; $base-900: #151C29; $base-hover: #123879; $base-subtle: #B0C5E9;
{
"color": {
"base": {
"value": "#174698",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F6FE",
"type": "color"
},
"100": {
"value": "#DBE6FB",
"type": "color"
},
"200": {
"value": "#B8CEF4",
"type": "color"
},
"300": {
"value": "#88ABE7",
"type": "color"
},
"400": {
"value": "#5C89D6",
"type": "color"
},
"500": {
"value": "#3969BC",
"type": "color"
},
"600": {
"value": "#33558F",
"type": "color"
},
"700": {
"value": "#2A3F65",
"type": "color"
},
"800": {
"value": "#1F2C42",
"type": "color"
},
"900": {
"value": "#151C29",
"type": "color"
}
}
}
}