#134C4E 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 #134C4E works with other colors. Named schemes with #134C4E 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 #134C4E 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 #134C4E at work across the surfaces designers actually ship.
:root {
--color-base: #134C4E;
--color-base-rgb: 19 76 78;
--color-base-oklch: oklch(38.2% 0.057 198.5);
--color-50: #F2FCFC;
--color-100: #DDF7F8;
--color-200: #BDEDEF;
--color-300: #90DCDF;
--color-400: #67C8CB;
--color-500: #45ADB0;
--color-600: #3B8487;
--color-700: #2F5E60;
--color-800: #223E3F;
--color-900: #162627;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F2FCFC',
100: '#DDF7F8',
200: '#BDEDEF',
300: '#90DCDF',
400: '#67C8CB',
500: '#45ADB0',
600: '#3B8487',
700: '#2F5E60',
800: '#223E3F',
900: '#162627',
},
}
$base: #134C4E; $base-ink: #FFFFFF; $base-50: #F2FCFC; $base-100: #DDF7F8; $base-200: #BDEDEF; $base-300: #90DCDF; $base-400: #67C8CB; $base-500: #45ADB0; $base-600: #3B8487; $base-700: #2F5E60; $base-800: #223E3F; $base-900: #162627; $base-hover: #0F3D3E; $base-subtle: #A4DCDE;
{
"color": {
"base": {
"value": "#134C4E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FCFC",
"type": "color"
},
"100": {
"value": "#DDF7F8",
"type": "color"
},
"200": {
"value": "#BDEDEF",
"type": "color"
},
"300": {
"value": "#90DCDF",
"type": "color"
},
"400": {
"value": "#67C8CB",
"type": "color"
},
"500": {
"value": "#45ADB0",
"type": "color"
},
"600": {
"value": "#3B8487",
"type": "color"
},
"700": {
"value": "#2F5E60",
"type": "color"
},
"800": {
"value": "#223E3F",
"type": "color"
},
"900": {
"value": "#162627",
"type": "color"
}
}
}
}