#035759 is a mid-toned, cool cyan-blue. On the Color Lab it reads clean and engineered, quietly premium. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #035759 works with other colors. Named schemes with #035759 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 #035759 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 #035759 at work across the surfaces designers actually ship.
:root {
--color-base: #035759;
--color-base-rgb: 3 87 89;
--color-base-oklch: oklch(41.5% 0.070 197.6);
--color-50: #F0FEFE;
--color-100: #D8FDFD;
--color-200: #B1FAFC;
--color-300: #7CF2F4;
--color-400: #4CE3E6;
--color-500: #29CACC;
--color-600: #27999B;
--color-700: #226C6D;
--color-800: #1A4647;
--color-900: #122B2B;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F0FEFE',
100: '#D8FDFD',
200: '#B1FAFC',
300: '#7CF2F4',
400: '#4CE3E6',
500: '#29CACC',
600: '#27999B',
700: '#226C6D',
800: '#1A4647',
900: '#122B2B',
},
}
$base: #035759; $base-ink: #FFFFFF; $base-50: #F0FEFE; $base-100: #D8FDFD; $base-200: #B1FAFC; $base-300: #7CF2F4; $base-400: #4CE3E6; $base-500: #29CACC; $base-600: #27999B; $base-700: #226C6D; $base-800: #1A4647; $base-900: #122B2B; $base-hover: #034647; $base-subtle: #94EBED;
{
"color": {
"base": {
"value": "#035759",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEFE",
"type": "color"
},
"100": {
"value": "#D8FDFD",
"type": "color"
},
"200": {
"value": "#B1FAFC",
"type": "color"
},
"300": {
"value": "#7CF2F4",
"type": "color"
},
"400": {
"value": "#4CE3E6",
"type": "color"
},
"500": {
"value": "#29CACC",
"type": "color"
},
"600": {
"value": "#27999B",
"type": "color"
},
"700": {
"value": "#226C6D",
"type": "color"
},
"800": {
"value": "#1A4647",
"type": "color"
},
"900": {
"value": "#122B2B",
"type": "color"
}
}
}
}