#0B453B is a deep, cool cyan. On the Color Lab it reads quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #0B453B works with other colors. Named schemes with #0B453B 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 #0B453B 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 #0B453B at work across the surfaces designers actually ship.
:root {
--color-base: #0B453B;
--color-base-rgb: 11 69 59;
--color-base-oklch: oklch(35.2% 0.059 178.1);
--color-50: #F1FDFB;
--color-100: #DBFAF5;
--color-200: #B9F4EA;
--color-300: #88E7D7;
--color-400: #5DD5C1;
--color-500: #3ABBA5;
--color-600: #338E7F;
--color-700: #2A655B;
--color-800: #1F423C;
--color-900: #152825;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
brunswick-green: {
50: '#F1FDFB',
100: '#DBFAF5',
200: '#B9F4EA',
300: '#88E7D7',
400: '#5DD5C1',
500: '#3ABBA5',
600: '#338E7F',
700: '#2A655B',
800: '#1F423C',
900: '#152825',
},
}
$base: #0B453B; $base-ink: #FFFFFF; $base-50: #F1FDFB; $base-100: #DBFAF5; $base-200: #B9F4EA; $base-300: #88E7D7; $base-400: #5DD5C1; $base-500: #3ABBA5; $base-600: #338E7F; $base-700: #2A655B; $base-800: #1F423C; $base-900: #152825; $base-hover: #093831; $base-subtle: #9BE2D7;
{
"color": {
"base": {
"value": "#0B453B",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FDFB",
"type": "color"
},
"100": {
"value": "#DBFAF5",
"type": "color"
},
"200": {
"value": "#B9F4EA",
"type": "color"
},
"300": {
"value": "#88E7D7",
"type": "color"
},
"400": {
"value": "#5DD5C1",
"type": "color"
},
"500": {
"value": "#3ABBA5",
"type": "color"
},
"600": {
"value": "#338E7F",
"type": "color"
},
"700": {
"value": "#2A655B",
"type": "color"
},
"800": {
"value": "#1F423C",
"type": "color"
},
"900": {
"value": "#152825",
"type": "color"
}
}
}
}