#2B554E is a muted, 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 #2B554E works with other colors. Named schemes with #2B554E 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 #2B554E 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 #2B554E at work across the surfaces designers actually ship.
:root {
--color-base: #2B554E;
--color-base-rgb: 43 85 78;
--color-base-oklch: oklch(41.7% 0.049 181.8);
--color-50: #F5FAF9;
--color-100: #E3F2EF;
--color-200: #C9E4DF;
--color-300: #A2CDC6;
--color-400: #7EB4AB;
--color-500: #5D978E;
--color-600: #4C756F;
--color-700: #3A5550;
--color-800: #293836;
--color-900: #1A2322;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F5FAF9',
100: '#E3F2EF',
200: '#C9E4DF',
300: '#A2CDC6',
400: '#7EB4AB',
500: '#5D978E',
600: '#4C756F',
700: '#3A5550',
800: '#293836',
900: '#1A2322',
},
}
$base: #2B554E; $base-ink: #FFFFFF; $base-50: #F5FAF9; $base-100: #E3F2EF; $base-200: #C9E4DF; $base-300: #A2CDC6; $base-400: #7EB4AB; $base-500: #5D978E; $base-600: #4C756F; $base-700: #3A5550; $base-800: #293836; $base-900: #1A2322; $base-hover: #22443E; $base-subtle: #B7D4CF;
{
"color": {
"base": {
"value": "#2B554E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5FAF9",
"type": "color"
},
"100": {
"value": "#E3F2EF",
"type": "color"
},
"200": {
"value": "#C9E4DF",
"type": "color"
},
"300": {
"value": "#A2CDC6",
"type": "color"
},
"400": {
"value": "#7EB4AB",
"type": "color"
},
"500": {
"value": "#5D978E",
"type": "color"
},
"600": {
"value": "#4C756F",
"type": "color"
},
"700": {
"value": "#3A5550",
"type": "color"
},
"800": {
"value": "#293836",
"type": "color"
},
"900": {
"value": "#1A2322",
"type": "color"
}
}
}
}