#085259 is a mid-toned, cool cyan-blue. 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 #085259 works with other colors. Named schemes with #085259 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 is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Dark Slate Gray.
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 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 #085259 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 #085259 at work across the surfaces designers actually ship.
:root {
--color-base: #085259;
--color-base-rgb: 8 82 89;
--color-base-oklch: oklch(40.1% 0.066 205.2);
--color-50: #F0FDFE;
--color-100: #D8FAFD;
--color-200: #B4F3F8;
--color-300: #81E5EE;
--color-400: #53D3DF;
--color-500: #30B8C4;
--color-600: #2D8C95;
--color-700: #256469;
--color-800: #1C4145;
--color-900: #13282A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F0FDFE',
100: '#D8FAFD',
200: '#B4F3F8',
300: '#81E5EE',
400: '#53D3DF',
500: '#30B8C4',
600: '#2D8C95',
700: '#256469',
800: '#1C4145',
900: '#13282A',
},
}
$base: #085259; $base-ink: #FFFFFF; $base-50: #F0FDFE; $base-100: #D8FAFD; $base-200: #B4F3F8; $base-300: #81E5EE; $base-400: #53D3DF; $base-500: #30B8C4; $base-600: #2D8C95; $base-700: #256469; $base-800: #1C4145; $base-900: #13282A; $base-hover: #064247; $base-subtle: #99E2E9;
{
"color": {
"base": {
"value": "#085259",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FDFE",
"type": "color"
},
"100": {
"value": "#D8FAFD",
"type": "color"
},
"200": {
"value": "#B4F3F8",
"type": "color"
},
"300": {
"value": "#81E5EE",
"type": "color"
},
"400": {
"value": "#53D3DF",
"type": "color"
},
"500": {
"value": "#30B8C4",
"type": "color"
},
"600": {
"value": "#2D8C95",
"type": "color"
},
"700": {
"value": "#256469",
"type": "color"
},
"800": {
"value": "#1C4145",
"type": "color"
},
"900": {
"value": "#13282A",
"type": "color"
}
}
}
}