#547D91 is a mid-toned, cool blue. On the Color Lab it reads clean and engineered, restrained and easy to live with. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #547D91 works with other colors. Named schemes with #547D91 in its natural role, and a note on why the supporting colors balance it.
Slate Gray opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Slate Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
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 Slate Gray.
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.
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 Slate Gray carrying the quiet middle.
How #547D91 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 #547D91 at work across the surfaces designers actually ship.
:root {
--color-base: #547D91;
--color-base-rgb: 84 125 145;
--color-base-oklch: oklch(56.7% 0.055 230.0);
--color-50: #F5F8FA;
--color-100: #E5EDF0;
--color-200: #CBDAE1;
--color-300: #A6BDC9;
--color-400: #83A0AF;
--color-500: #638292;
--color-600: #506772;
--color-700: #3D4B52;
--color-800: #2A3337;
--color-900: #1B2022;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
slate-gray: {
50: '#F5F8FA',
100: '#E5EDF0',
200: '#CBDAE1',
300: '#A6BDC9',
400: '#83A0AF',
500: '#638292',
600: '#506772',
700: '#3D4B52',
800: '#2A3337',
900: '#1B2022',
},
}
$base: #547D91; $base-ink: #141310; $base-50: #F5F8FA; $base-100: #E5EDF0; $base-200: #CBDAE1; $base-300: #A6BDC9; $base-400: #83A0AF; $base-500: #638292; $base-600: #506772; $base-700: #3D4B52; $base-800: #2A3337; $base-900: #1B2022; $base-hover: #436475; $base-subtle: #CCD8DE;
{
"color": {
"base": {
"value": "#547D91",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F8FA",
"type": "color"
},
"100": {
"value": "#E5EDF0",
"type": "color"
},
"200": {
"value": "#CBDAE1",
"type": "color"
},
"300": {
"value": "#A6BDC9",
"type": "color"
},
"400": {
"value": "#83A0AF",
"type": "color"
},
"500": {
"value": "#638292",
"type": "color"
},
"600": {
"value": "#506772",
"type": "color"
},
"700": {
"value": "#3D4B52",
"type": "color"
},
"800": {
"value": "#2A3337",
"type": "color"
},
"900": {
"value": "#1B2022",
"type": "color"
}
}
}
}