#64D4E7 is a soft, cool blue. On the Color Lab it reads clean and engineered. It is too pale to lead as a primary accent and sits well as a supporting tone.
Not just a swatch — here's how #64D4E7 works with other colors. Named schemes with #64D4E7 in its natural role, and a note on why the supporting colors balance it.
Sky Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Sky Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Sky 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 Sky Blue.
Sky 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 Sky Blue carrying the quiet middle.
Sky Blue 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 #64D4E7 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 #64D4E7 at work across the surfaces designers actually ship.
:root {
--color-base: #64D4E7;
--color-base-rgb: 100 212 231;
--color-base-oklch: oklch(81.2% 0.105 210.1);
--color-50: #F1FCFD;
--color-100: #DBF6FA;
--color-200: #B9EBF4;
--color-300: #88D9E7;
--color-400: #5DC3D5;
--color-500: #3AA7BB;
--color-600: #33818E;
--color-700: #2A5C65;
--color-800: #1F3D42;
--color-900: #152628;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sky-blue: {
50: '#F1FCFD',
100: '#DBF6FA',
200: '#B9EBF4',
300: '#88D9E7',
400: '#5DC3D5',
500: '#3AA7BB',
600: '#33818E',
700: '#2A5C65',
800: '#1F3D42',
900: '#152628',
},
}
$base: #64D4E7; $base-ink: #141310; $base-50: #F1FCFD; $base-100: #DBF6FA; $base-200: #B9EBF4; $base-300: #88D9E7; $base-400: #5DC3D5; $base-500: #3AA7BB; $base-600: #33818E; $base-700: #2A5C65; $base-800: #1F3D42; $base-900: #152628; $base-hover: #2BC3DE; $base-subtle: #D5EFF3;
{
"color": {
"base": {
"value": "#64D4E7",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FCFD",
"type": "color"
},
"100": {
"value": "#DBF6FA",
"type": "color"
},
"200": {
"value": "#B9EBF4",
"type": "color"
},
"300": {
"value": "#88D9E7",
"type": "color"
},
"400": {
"value": "#5DC3D5",
"type": "color"
},
"500": {
"value": "#3AA7BB",
"type": "color"
},
"600": {
"value": "#33818E",
"type": "color"
},
"700": {
"value": "#2A5C65",
"type": "color"
},
"800": {
"value": "#1F3D42",
"type": "color"
},
"900": {
"value": "#152628",
"type": "color"
}
}
}
}