#717F8E is a muted, temperate indigo. On the Color Lab it reads clean and engineered, restrained and easy to live with. It reproduces cleanly in print.
Not just a swatch — here's how #717F8E works with other colors. Named schemes with #717F8E in its natural role, and a note on why the supporting colors balance it.
Slate Gray opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Slate Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Slate Gray is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Slate Gray.
Slate Gray plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Slate Gray 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 Slate Gray carrying the quiet middle.
How #717F8E 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 #717F8E at work across the surfaces designers actually ship.
:root {
--color-base: #717F8E;
--color-base-rgb: 113 127 142;
--color-base-oklch: oklch(59.0% 0.028 250.1);
--color-50: #F6F7F8;
--color-100: #E8EBED;
--color-200: #D2D6DB;
--color-300: #B1B7BF;
--color-400: #9099A2;
--color-500: #717A84;
--color-600: #5A6168;
--color-700: #43474C;
--color-800: #2E3033;
--color-900: #1D1F20;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
slate-gray: {
50: '#F6F7F8',
100: '#E8EBED',
200: '#D2D6DB',
300: '#B1B7BF',
400: '#9099A2',
500: '#717A84',
600: '#5A6168',
700: '#43474C',
800: '#2E3033',
900: '#1D1F20',
},
}
$base: #717F8E; $base-ink: #141310; $base-50: #F6F7F8; $base-100: #E8EBED; $base-200: #D2D6DB; $base-300: #B1B7BF; $base-400: #9099A2; $base-500: #717A84; $base-600: #5A6168; $base-700: #43474C; $base-800: #2E3033; $base-900: #1D1F20; $base-hover: #5B6671; $base-subtle: #D6D9DC;
{
"color": {
"base": {
"value": "#717F8E",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F7F8",
"type": "color"
},
"100": {
"value": "#E8EBED",
"type": "color"
},
"200": {
"value": "#D2D6DB",
"type": "color"
},
"300": {
"value": "#B1B7BF",
"type": "color"
},
"400": {
"value": "#9099A2",
"type": "color"
},
"500": {
"value": "#717A84",
"type": "color"
},
"600": {
"value": "#5A6168",
"type": "color"
},
"700": {
"value": "#43474C",
"type": "color"
},
"800": {
"value": "#2E3033",
"type": "color"
},
"900": {
"value": "#1D1F20",
"type": "color"
}
}
}
}