#174F4E is a mid-toned, cool cyan. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #174F4E works with other colors. Named schemes with #174F4E 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 #174F4E 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 #174F4E at work across the surfaces designers actually ship.
:root {
--color-base: #174F4E;
--color-base-rgb: 23 79 78;
--color-base-oklch: oklch(39.2% 0.057 193.4);
--color-50: #F3FCFC;
--color-100: #DFF6F6;
--color-200: #C0EDEC;
--color-300: #94DBDA;
--color-400: #6BC7C5;
--color-500: #4AABA9;
--color-600: #3F8382;
--color-700: #315E5D;
--color-800: #233E3D;
--color-900: #172626;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F3FCFC',
100: '#DFF6F6',
200: '#C0EDEC',
300: '#94DBDA',
400: '#6BC7C5',
500: '#4AABA9',
600: '#3F8382',
700: '#315E5D',
800: '#233E3D',
900: '#172626',
},
}
$base: #174F4E; $base-ink: #FFFFFF; $base-50: #F3FCFC; $base-100: #DFF6F6; $base-200: #C0EDEC; $base-300: #94DBDA; $base-400: #6BC7C5; $base-500: #4AABA9; $base-600: #3F8382; $base-700: #315E5D; $base-800: #233E3D; $base-900: #172626; $base-hover: #123F3E; $base-subtle: #A8DBDB;
{
"color": {
"base": {
"value": "#174F4E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FCFC",
"type": "color"
},
"100": {
"value": "#DFF6F6",
"type": "color"
},
"200": {
"value": "#C0EDEC",
"type": "color"
},
"300": {
"value": "#94DBDA",
"type": "color"
},
"400": {
"value": "#6BC7C5",
"type": "color"
},
"500": {
"value": "#4AABA9",
"type": "color"
},
"600": {
"value": "#3F8382",
"type": "color"
},
"700": {
"value": "#315E5D",
"type": "color"
},
"800": {
"value": "#233E3D",
"type": "color"
},
"900": {
"value": "#172626",
"type": "color"
}
}
}
}