#124F52 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 #124F52 works with other colors. Named schemes with #124F52 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 #124F52 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 #124F52 at work across the surfaces designers actually ship.
:root {
--color-base: #124F52;
--color-base-rgb: 18 79 82;
--color-base-oklch: oklch(39.2% 0.059 199.9);
--color-50: #F2FCFD;
--color-100: #DDF7F8;
--color-200: #BCEEF0;
--color-300: #8EDDE1;
--color-400: #64C9CE;
--color-500: #42ADB3;
--color-600: #398589;
--color-700: #2E5F61;
--color-800: #213E40;
--color-900: #162627;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F2FCFD',
100: '#DDF7F8',
200: '#BCEEF0',
300: '#8EDDE1',
400: '#64C9CE',
500: '#42ADB3',
600: '#398589',
700: '#2E5F61',
800: '#213E40',
900: '#162627',
},
}
$base: #124F52; $base-ink: #FFFFFF; $base-50: #F2FCFD; $base-100: #DDF7F8; $base-200: #BCEEF0; $base-300: #8EDDE1; $base-400: #64C9CE; $base-500: #42ADB3; $base-600: #398589; $base-700: #2E5F61; $base-800: #213E40; $base-900: #162627; $base-hover: #0F4043; $base-subtle: #A4DDE0;
{
"color": {
"base": {
"value": "#124F52",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FCFD",
"type": "color"
},
"100": {
"value": "#DDF7F8",
"type": "color"
},
"200": {
"value": "#BCEEF0",
"type": "color"
},
"300": {
"value": "#8EDDE1",
"type": "color"
},
"400": {
"value": "#64C9CE",
"type": "color"
},
"500": {
"value": "#42ADB3",
"type": "color"
},
"600": {
"value": "#398589",
"type": "color"
},
"700": {
"value": "#2E5F61",
"type": "color"
},
"800": {
"value": "#213E40",
"type": "color"
},
"900": {
"value": "#162627",
"type": "color"
}
}
}
}