#171B41 is a deep, cool violet. On the Color Lab it reads clean and engineered, quietly premium. It is too dark to lead as a primary accent and reproduces cleanly in print.
Not just a swatch — here's how #171B41 works with other colors. Named schemes with #171B41 in its natural role, and a note on why the supporting colors balance it.
Navy opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Navy keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Navy plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Navy 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.
Navy 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 Navy carrying the quiet middle.
How #171B41 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 #171B41 at work across the surfaces designers actually ship.
:root {
--color-base: #171B41;
--color-base-rgb: 23 27 65;
--color-base-oklch: oklch(24.3% 0.071 275.2);
--color-50: #F3F4FB;
--color-100: #E0E2F5;
--color-200: #C3C7EA;
--color-300: #999FD7;
--color-400: #7179C1;
--color-500: #5059A5;
--color-600: #43497F;
--color-700: #34385B;
--color-800: #25273C;
--color-900: #181925;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
navy: {
50: '#F3F4FB',
100: '#E0E2F5',
200: '#C3C7EA',
300: '#999FD7',
400: '#7179C1',
500: '#5059A5',
600: '#43497F',
700: '#34385B',
800: '#25273C',
900: '#181925',
},
}
$base: #171B41; $base-ink: #FFFFFF; $base-50: #F3F4FB; $base-100: #E0E2F5; $base-200: #C3C7EA; $base-300: #999FD7; $base-400: #7179C1; $base-500: #5059A5; $base-600: #43497F; $base-700: #34385B; $base-800: #25273C; $base-900: #181925; $base-hover: #121533; $base-subtle: #A8ADD7;
{
"color": {
"base": {
"value": "#171B41",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F4FB",
"type": "color"
},
"100": {
"value": "#E0E2F5",
"type": "color"
},
"200": {
"value": "#C3C7EA",
"type": "color"
},
"300": {
"value": "#999FD7",
"type": "color"
},
"400": {
"value": "#7179C1",
"type": "color"
},
"500": {
"value": "#5059A5",
"type": "color"
},
"600": {
"value": "#43497F",
"type": "color"
},
"700": {
"value": "#34385B",
"type": "color"
},
"800": {
"value": "#25273C",
"type": "color"
},
"900": {
"value": "#181925",
"type": "color"
}
}
}
}