#355652 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 #355652 works with other colors. Named schemes with #355652 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 #355652 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 #355652 at work across the surfaces designers actually ship.
:root {
--color-base: #355652;
--color-base-rgb: 53 86 82;
--color-base-oklch: oklch(42.6% 0.039 186.2);
--color-50: #F5F9F9;
--color-100: #E5F0EF;
--color-200: #CCE0DE;
--color-300: #A8C7C3;
--color-400: #85ADA8;
--color-500: #65908B;
--color-600: #52706C;
--color-700: #3E514F;
--color-800: #2B3635;
--color-900: #1B2221;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F5F9F9',
100: '#E5F0EF',
200: '#CCE0DE',
300: '#A8C7C3',
400: '#85ADA8',
500: '#65908B',
600: '#52706C',
700: '#3E514F',
800: '#2B3635',
900: '#1B2221',
},
}
$base: #355652; $base-ink: #FFFFFF; $base-50: #F5F9F9; $base-100: #E5F0EF; $base-200: #CCE0DE; $base-300: #A8C7C3; $base-400: #85ADA8; $base-500: #65908B; $base-600: #52706C; $base-700: #3E514F; $base-800: #2B3635; $base-900: #1B2221; $base-hover: #2A4441; $base-subtle: #BDD1CF;
{
"color": {
"base": {
"value": "#355652",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F9F9",
"type": "color"
},
"100": {
"value": "#E5F0EF",
"type": "color"
},
"200": {
"value": "#CCE0DE",
"type": "color"
},
"300": {
"value": "#A8C7C3",
"type": "color"
},
"400": {
"value": "#85ADA8",
"type": "color"
},
"500": {
"value": "#65908B",
"type": "color"
},
"600": {
"value": "#52706C",
"type": "color"
},
"700": {
"value": "#3E514F",
"type": "color"
},
"800": {
"value": "#2B3635",
"type": "color"
},
"900": {
"value": "#1B2221",
"type": "color"
}
}
}
}