#1F4A45 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 #1F4A45 works with other colors. Named schemes with #1F4A45 in its natural role, and a note on why the supporting colors balance it.
Brunswick Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Brunswick Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Brunswick Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Brunswick Green carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.
Brunswick Green 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 Brunswick Green carrying the quiet middle.
How #1F4A45 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 #1F4A45 at work across the surfaces designers actually ship.
:root {
--color-base: #1F4A45;
--color-base-rgb: 31 74 69;
--color-base-oklch: oklch(37.7% 0.049 185.3);
--color-50: #F4FBFA;
--color-100: #E2F3F1;
--color-200: #C6E7E3;
--color-300: #9DD2CC;
--color-400: #77BBB3;
--color-500: #569E96;
--color-600: #477A74;
--color-700: #375854;
--color-800: #273A38;
--color-900: #192423;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
brunswick-green: {
50: '#F4FBFA',
100: '#E2F3F1',
200: '#C6E7E3',
300: '#9DD2CC',
400: '#77BBB3',
500: '#569E96',
600: '#477A74',
700: '#375854',
800: '#273A38',
900: '#192423',
},
}
$base: #1F4A45; $base-ink: #FFFFFF; $base-50: #F4FBFA; $base-100: #E2F3F1; $base-200: #C6E7E3; $base-300: #9DD2CC; $base-400: #77BBB3; $base-500: #569E96; $base-600: #477A74; $base-700: #375854; $base-800: #273A38; $base-900: #192423; $base-hover: #193C38; $base-subtle: #B0D5D1;
{
"color": {
"base": {
"value": "#1F4A45",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FBFA",
"type": "color"
},
"100": {
"value": "#E2F3F1",
"type": "color"
},
"200": {
"value": "#C6E7E3",
"type": "color"
},
"300": {
"value": "#9DD2CC",
"type": "color"
},
"400": {
"value": "#77BBB3",
"type": "color"
},
"500": {
"value": "#569E96",
"type": "color"
},
"600": {
"value": "#477A74",
"type": "color"
},
"700": {
"value": "#375854",
"type": "color"
},
"800": {
"value": "#273A38",
"type": "color"
},
"900": {
"value": "#192423",
"type": "color"
}
}
}
}