#172636 is a muted, cool indigo. 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 #172636 works with other colors. Named schemes with #172636 in its natural role, and a note on why the supporting colors balance it.
Graphite opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Graphite keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Graphite is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Graphite.
Graphite plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Graphite 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 Graphite carrying the quiet middle.
How #172636 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 #172636 at work across the surfaces designers actually ship.
:root {
--color-base: #172636;
--color-base-rgb: 23 38 54;
--color-base-oklch: oklch(26.3% 0.036 250.9);
--color-50: #F4F7FB;
--color-100: #E2EAF3;
--color-200: #C6D6E6;
--color-300: #9EB7D1;
--color-400: #7898BA;
--color-500: #57799E;
--color-600: #48607A;
--color-700: #374758;
--color-800: #27303A;
--color-900: #191E24;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
graphite: {
50: '#F4F7FB',
100: '#E2EAF3',
200: '#C6D6E6',
300: '#9EB7D1',
400: '#7898BA',
500: '#57799E',
600: '#48607A',
700: '#374758',
800: '#27303A',
900: '#191E24',
},
}
$base: #172636; $base-ink: #FFFFFF; $base-50: #F4F7FB; $base-100: #E2EAF3; $base-200: #C6D6E6; $base-300: #9EB7D1; $base-400: #7898BA; $base-500: #57799E; $base-600: #48607A; $base-700: #374758; $base-800: #27303A; $base-900: #191E24; $base-hover: #121E2B; $base-subtle: #AABDD2;
{
"color": {
"base": {
"value": "#172636",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4F7FB",
"type": "color"
},
"100": {
"value": "#E2EAF3",
"type": "color"
},
"200": {
"value": "#C6D6E6",
"type": "color"
},
"300": {
"value": "#9EB7D1",
"type": "color"
},
"400": {
"value": "#7898BA",
"type": "color"
},
"500": {
"value": "#57799E",
"type": "color"
},
"600": {
"value": "#48607A",
"type": "color"
},
"700": {
"value": "#374758",
"type": "color"
},
"800": {
"value": "#27303A",
"type": "color"
},
"900": {
"value": "#191E24",
"type": "color"
}
}
}
}