#36554E is a muted, temperate cyan. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #36554E works with other colors. Named schemes with #36554E in its natural role, and a note on why the supporting colors balance it.
Dark Slate Gray opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Dark Slate Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Dark 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.
Dark Slate Gray anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
Dark 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 Dark Slate Gray carrying the quiet middle.
How #36554E 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 #36554E at work across the surfaces designers actually ship.
:root {
--color-base: #36554E;
--color-base-rgb: 54 85 78;
--color-base-oklch: oklch(42.3% 0.039 178.6);
--color-50: #F6F9F8;
--color-100: #E6EFED;
--color-200: #CDDFDB;
--color-300: #A9C6BF;
--color-400: #87ABA3;
--color-500: #678E85;
--color-600: #536F68;
--color-700: #3F504C;
--color-800: #2B3633;
--color-900: #1C2220;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F6F9F8',
100: '#E6EFED',
200: '#CDDFDB',
300: '#A9C6BF',
400: '#87ABA3',
500: '#678E85',
600: '#536F68',
700: '#3F504C',
800: '#2B3633',
900: '#1C2220',
},
}
$base: #36554E; $base-ink: #FFFFFF; $base-50: #F6F9F8; $base-100: #E6EFED; $base-200: #CDDFDB; $base-300: #A9C6BF; $base-400: #87ABA3; $base-500: #678E85; $base-600: #536F68; $base-700: #3F504C; $base-800: #2B3633; $base-900: #1C2220; $base-hover: #2B433E; $base-subtle: #BED0CC;
{
"color": {
"base": {
"value": "#36554E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F9F8",
"type": "color"
},
"100": {
"value": "#E6EFED",
"type": "color"
},
"200": {
"value": "#CDDFDB",
"type": "color"
},
"300": {
"value": "#A9C6BF",
"type": "color"
},
"400": {
"value": "#87ABA3",
"type": "color"
},
"500": {
"value": "#678E85",
"type": "color"
},
"600": {
"value": "#536F68",
"type": "color"
},
"700": {
"value": "#3F504C",
"type": "color"
},
"800": {
"value": "#2B3633",
"type": "color"
},
"900": {
"value": "#1C2220",
"type": "color"
}
}
}
}