#175B96 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 #175B96 works with other colors. Named schemes with #175B96 in its natural role, and a note on why the supporting colors balance it.
Lapis Lazuli opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Lapis Lazuli is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Lapis Lazuli.
Lapis Lazuli plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Lapis Lazuli sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Lapis Lazuli 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 Lapis Lazuli carrying the quiet middle.
How #175B96 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 #175B96 at work across the surfaces designers actually ship.
:root {
--color-base: #175B96;
--color-base-rgb: 23 91 150;
--color-base-oklch: oklch(46.2% 0.116 249.7);
--color-50: #F1F8FD;
--color-100: #DBECFA;
--color-200: #B9D8F4;
--color-300: #88BBE7;
--color-400: #5D9DD5;
--color-500: #3A7FBB;
--color-600: #33648E;
--color-700: #2A4965;
--color-800: #1F3242;
--color-900: #151F28;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
lapis-lazuli: {
50: '#F1F8FD',
100: '#DBECFA',
200: '#B9D8F4',
300: '#88BBE7',
400: '#5D9DD5',
500: '#3A7FBB',
600: '#33648E',
700: '#2A4965',
800: '#1F3242',
900: '#151F28',
},
}
$base: #175B96; $base-ink: #FFFFFF; $base-50: #F1F8FD; $base-100: #DBECFA; $base-200: #B9D8F4; $base-300: #88BBE7; $base-400: #5D9DD5; $base-500: #3A7FBB; $base-600: #33648E; $base-700: #2A4965; $base-800: #1F3242; $base-900: #151F28; $base-hover: #134978; $base-subtle: #B0CEE9;
{
"color": {
"base": {
"value": "#175B96",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F8FD",
"type": "color"
},
"100": {
"value": "#DBECFA",
"type": "color"
},
"200": {
"value": "#B9D8F4",
"type": "color"
},
"300": {
"value": "#88BBE7",
"type": "color"
},
"400": {
"value": "#5D9DD5",
"type": "color"
},
"500": {
"value": "#3A7FBB",
"type": "color"
},
"600": {
"value": "#33648E",
"type": "color"
},
"700": {
"value": "#2A4965",
"type": "color"
},
"800": {
"value": "#1F3242",
"type": "color"
},
"900": {
"value": "#151F28",
"type": "color"
}
}
}
}