#075359 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 #075359 works with other colors. Named schemes with #075359 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 #075359 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 #075359 at work across the surfaces designers actually ship.
:root {
--color-base: #075359;
--color-base-rgb: 7 83 89;
--color-base-oklch: oklch(40.4% 0.066 203.6);
--color-50: #F0FDFE;
--color-100: #D8FAFD;
--color-200: #B4F4F9;
--color-300: #81E7EE;
--color-400: #53D6DF;
--color-500: #30BBC5;
--color-600: #2C8F96;
--color-700: #25656A;
--color-800: #1C4245;
--color-900: #13292A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F0FDFE',
100: '#D8FAFD',
200: '#B4F4F9',
300: '#81E7EE',
400: '#53D6DF',
500: '#30BBC5',
600: '#2C8F96',
700: '#25656A',
800: '#1C4245',
900: '#13292A',
},
}
$base: #075359; $base-ink: #FFFFFF; $base-50: #F0FDFE; $base-100: #D8FAFD; $base-200: #B4F4F9; $base-300: #81E7EE; $base-400: #53D6DF; $base-500: #30BBC5; $base-600: #2C8F96; $base-700: #25656A; $base-800: #1C4245; $base-900: #13292A; $base-hover: #064348; $base-subtle: #99E4E9;
{
"color": {
"base": {
"value": "#075359",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FDFE",
"type": "color"
},
"100": {
"value": "#D8FAFD",
"type": "color"
},
"200": {
"value": "#B4F4F9",
"type": "color"
},
"300": {
"value": "#81E7EE",
"type": "color"
},
"400": {
"value": "#53D6DF",
"type": "color"
},
"500": {
"value": "#30BBC5",
"type": "color"
},
"600": {
"value": "#2C8F96",
"type": "color"
},
"700": {
"value": "#25656A",
"type": "color"
},
"800": {
"value": "#1C4245",
"type": "color"
},
"900": {
"value": "#13292A",
"type": "color"
}
}
}
}