#51697F is a muted, cool indigo. 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 #51697F works with other colors. Named schemes with #51697F in its natural role, and a note on why the supporting colors balance it.
Teal Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Teal Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Teal Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Teal Blue.
Teal Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Teal Blue 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 Teal Blue carrying the quiet middle.
How #51697F 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 #51697F at work across the surfaces designers actually ship.
:root {
--color-base: #51697F;
--color-base-rgb: 81 105 127;
--color-base-oklch: oklch(51.0% 0.045 246.5);
--color-50: #F6F7F9;
--color-100: #E6EBEF;
--color-200: #CDD6DF;
--color-300: #A9B8C6;
--color-400: #879AAB;
--color-500: #677B8E;
--color-600: #53616F;
--color-700: #3F4850;
--color-800: #2B3136;
--color-900: #1C1F22;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
teal-blue: {
50: '#F6F7F9',
100: '#E6EBEF',
200: '#CDD6DF',
300: '#A9B8C6',
400: '#879AAB',
500: '#677B8E',
600: '#53616F',
700: '#3F4850',
800: '#2B3136',
900: '#1C1F22',
},
}
$base: #51697F; $base-ink: #FFFFFF; $base-50: #F6F7F9; $base-100: #E6EBEF; $base-200: #CDD6DF; $base-300: #A9B8C6; $base-400: #879AAB; $base-500: #677B8E; $base-600: #53616F; $base-700: #3F4850; $base-800: #2B3136; $base-900: #1C1F22; $base-hover: #415466; $base-subtle: #CAD2D9;
{
"color": {
"base": {
"value": "#51697F",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F7F9",
"type": "color"
},
"100": {
"value": "#E6EBEF",
"type": "color"
},
"200": {
"value": "#CDD6DF",
"type": "color"
},
"300": {
"value": "#A9B8C6",
"type": "color"
},
"400": {
"value": "#879AAB",
"type": "color"
},
"500": {
"value": "#677B8E",
"type": "color"
},
"600": {
"value": "#53616F",
"type": "color"
},
"700": {
"value": "#3F4850",
"type": "color"
},
"800": {
"value": "#2B3136",
"type": "color"
},
"900": {
"value": "#1C1F22",
"type": "color"
}
}
}
}