#618794 is a muted, cool blue. On the Color Lab it reads clean and engineered, restrained and easy to live with. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #618794 works with other colors. Named schemes with #618794 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 #618794 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 #618794 at work across the surfaces designers actually ship.
:root {
--color-base: #618794;
--color-base-rgb: 97 135 148;
--color-base-oklch: oklch(60.0% 0.047 221.1);
--color-50: #F6F8F9;
--color-100: #E6EDEF;
--color-200: #CEDADF;
--color-300: #AABEC5;
--color-400: #88A2AA;
--color-500: #68848D;
--color-600: #54676E;
--color-700: #3F4C50;
--color-800: #2B3335;
--color-900: #1C2021;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
slate-gray: {
50: '#F6F8F9',
100: '#E6EDEF',
200: '#CEDADF',
300: '#AABEC5',
400: '#88A2AA',
500: '#68848D',
600: '#54676E',
700: '#3F4C50',
800: '#2B3335',
900: '#1C2021',
},
}
$base: #618794; $base-ink: #141310; $base-50: #F6F8F9; $base-100: #E6EDEF; $base-200: #CEDADF; $base-300: #AABEC5; $base-400: #88A2AA; $base-500: #68848D; $base-600: #54676E; $base-700: #3F4C50; $base-800: #2B3335; $base-900: #1C2021; $base-hover: #4D6C76; $base-subtle: #D1DADE;
{
"color": {
"base": {
"value": "#618794",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F8F9",
"type": "color"
},
"100": {
"value": "#E6EDEF",
"type": "color"
},
"200": {
"value": "#CEDADF",
"type": "color"
},
"300": {
"value": "#AABEC5",
"type": "color"
},
"400": {
"value": "#88A2AA",
"type": "color"
},
"500": {
"value": "#68848D",
"type": "color"
},
"600": {
"value": "#54676E",
"type": "color"
},
"700": {
"value": "#3F4C50",
"type": "color"
},
"800": {
"value": "#2B3335",
"type": "color"
},
"900": {
"value": "#1C2021",
"type": "color"
}
}
}
}