#005158 is a mid-toned, cool cyan-blue. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #005158 works with other colors. Named schemes with #005158 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 #005158 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 #005158 at work across the surfaces designers actually ship.
:root {
--color-base: #005158;
--color-base-rgb: 0 81 88;
--color-base-oklch: oklch(39.7% 0.068 204.9);
--color-50: #F0FDFE;
--color-100: #D8FAFD;
--color-200: #B1F5FC;
--color-300: #77EDF8;
--color-400: #46DEEC;
--color-500: #22C4D2;
--color-600: #23959F;
--color-700: #1F6970;
--color-800: #184448;
--color-900: #112A2C;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F0FDFE',
100: '#D8FAFD',
200: '#B1F5FC',
300: '#77EDF8',
400: '#46DEEC',
500: '#22C4D2',
600: '#23959F',
700: '#1F6970',
800: '#184448',
900: '#112A2C',
},
}
$base: #005158; $base-ink: #FFFFFF; $base-50: #F0FDFE; $base-100: #D8FAFD; $base-200: #B1F5FC; $base-300: #77EDF8; $base-400: #46DEEC; $base-500: #22C4D2; $base-600: #23959F; $base-700: #1F6970; $base-800: #184448; $base-900: #112A2C; $base-hover: #004045; $base-subtle: #8FE8F0;
{
"color": {
"base": {
"value": "#005158",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FDFE",
"type": "color"
},
"100": {
"value": "#D8FAFD",
"type": "color"
},
"200": {
"value": "#B1F5FC",
"type": "color"
},
"300": {
"value": "#77EDF8",
"type": "color"
},
"400": {
"value": "#46DEEC",
"type": "color"
},
"500": {
"value": "#22C4D2",
"type": "color"
},
"600": {
"value": "#23959F",
"type": "color"
},
"700": {
"value": "#1F6970",
"type": "color"
},
"800": {
"value": "#184448",
"type": "color"
},
"900": {
"value": "#112A2C",
"type": "color"
}
}
}
}