#059CA1 is a mid-toned, cool cyan-blue. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #059CA1 works with other colors. Named schemes with #059CA1 in its natural role, and a note on why the supporting colors balance it.
Persian Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Persian Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Persian 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 Persian Green carrying the quiet middle.
Persian Green is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Persian Green.
Persian Green 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.
How #059CA1 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 #059CA1 at work across the surfaces designers actually ship.
:root {
--color-base: #059CA1;
--color-base-rgb: 5 156 161;
--color-base-oklch: oklch(62.9% 0.106 198.9);
--color-50: #F0FEFE;
--color-100: #D8FCFD;
--color-200: #B1F9FC;
--color-300: #7BF0F4;
--color-400: #4BE2E7;
--color-500: #28C8CD;
--color-600: #26989B;
--color-700: #216B6D;
--color-800: #1A4647;
--color-900: #122A2B;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
persian-green: {
50: '#F0FEFE',
100: '#D8FCFD',
200: '#B1F9FC',
300: '#7BF0F4',
400: '#4BE2E7',
500: '#28C8CD',
600: '#26989B',
700: '#216B6D',
800: '#1A4647',
900: '#122A2B',
},
}
$base: #059CA1; $base-ink: #141310; $base-50: #F0FEFE; $base-100: #D8FCFD; $base-200: #B1F9FC; $base-300: #7BF0F4; $base-400: #4BE2E7; $base-500: #28C8CD; $base-600: #26989B; $base-700: #216B6D; $base-800: #1A4647; $base-900: #122A2B; $base-hover: #047E83; $base-subtle: #A7EEF0;
{
"color": {
"base": {
"value": "#059CA1",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEFE",
"type": "color"
},
"100": {
"value": "#D8FCFD",
"type": "color"
},
"200": {
"value": "#B1F9FC",
"type": "color"
},
"300": {
"value": "#7BF0F4",
"type": "color"
},
"400": {
"value": "#4BE2E7",
"type": "color"
},
"500": {
"value": "#28C8CD",
"type": "color"
},
"600": {
"value": "#26989B",
"type": "color"
},
"700": {
"value": "#216B6D",
"type": "color"
},
"800": {
"value": "#1A4647",
"type": "color"
},
"900": {
"value": "#122A2B",
"type": "color"
}
}
}
}