#255752 is a mid-toned, cool cyan. On the Color Lab it reads clean and engineered, quietly premium. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #255752 works with other colors. Named schemes with #255752 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 #255752 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 #255752 at work across the surfaces designers actually ship.
:root {
--color-base: #255752;
--color-base-rgb: 37 87 82;
--color-base-oklch: oklch(42.1% 0.055 186.6);
--color-50: #F4FBFA;
--color-100: #E2F3F2;
--color-200: #C6E6E3;
--color-300: #9ED1CC;
--color-400: #78BAB3;
--color-500: #579E97;
--color-600: #487A75;
--color-700: #375854;
--color-800: #273A38;
--color-900: #192423;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F4FBFA',
100: '#E2F3F2',
200: '#C6E6E3',
300: '#9ED1CC',
400: '#78BAB3',
500: '#579E97',
600: '#487A75',
700: '#375854',
800: '#273A38',
900: '#192423',
},
}
$base: #255752; $base-ink: #FFFFFF; $base-50: #F4FBFA; $base-100: #E2F3F2; $base-200: #C6E6E3; $base-300: #9ED1CC; $base-400: #78BAB3; $base-500: #579E97; $base-600: #487A75; $base-700: #375854; $base-800: #273A38; $base-900: #192423; $base-hover: #1D4541; $base-subtle: #B3D7D3;
{
"color": {
"base": {
"value": "#255752",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FBFA",
"type": "color"
},
"100": {
"value": "#E2F3F2",
"type": "color"
},
"200": {
"value": "#C6E6E3",
"type": "color"
},
"300": {
"value": "#9ED1CC",
"type": "color"
},
"400": {
"value": "#78BAB3",
"type": "color"
},
"500": {
"value": "#579E97",
"type": "color"
},
"600": {
"value": "#487A75",
"type": "color"
},
"700": {
"value": "#375854",
"type": "color"
},
"800": {
"value": "#273A38",
"type": "color"
},
"900": {
"value": "#192423",
"type": "color"
}
}
}
}