#39ADCD is a mid-toned, cool blue. On the Color Lab it reads clean and engineered. It sits well as a supporting tone.
Not just a swatch — here's how #39ADCD works with other colors. Named schemes with #39ADCD in its natural role, and a note on why the supporting colors balance it.
Picton Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Picton Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Picton 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 Picton Blue.
Picton 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 Picton Blue carrying the quiet middle.
Picton 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 #39ADCD 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 #39ADCD at work across the surfaces designers actually ship.
:root {
--color-base: #39ADCD;
--color-base-rgb: 57 173 205;
--color-base-oklch: oklch(69.7% 0.110 220.3);
--color-50: #F2FAFC;
--color-100: #DEF2F8;
--color-200: #BEE4EF;
--color-300: #91CEDE;
--color-400: #67B5CB;
--color-500: #4698AF;
--color-600: #3C7686;
--color-700: #2F5560;
--color-800: #22393F;
--color-900: #162327;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
picton-blue: {
50: '#F2FAFC',
100: '#DEF2F8',
200: '#BEE4EF',
300: '#91CEDE',
400: '#67B5CB',
500: '#4698AF',
600: '#3C7686',
700: '#2F5560',
800: '#22393F',
900: '#162327',
},
}
$base: #39ADCD; $base-ink: #141310; $base-50: #F2FAFC; $base-100: #DEF2F8; $base-200: #BEE4EF; $base-300: #91CEDE; $base-400: #67B5CB; $base-500: #4698AF; $base-600: #3C7686; $base-700: #2F5560; $base-800: #22393F; $base-900: #162327; $base-hover: #2A8BA6; $base-subtle: #C8E3EB;
{
"color": {
"base": {
"value": "#39ADCD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FAFC",
"type": "color"
},
"100": {
"value": "#DEF2F8",
"type": "color"
},
"200": {
"value": "#BEE4EF",
"type": "color"
},
"300": {
"value": "#91CEDE",
"type": "color"
},
"400": {
"value": "#67B5CB",
"type": "color"
},
"500": {
"value": "#4698AF",
"type": "color"
},
"600": {
"value": "#3C7686",
"type": "color"
},
"700": {
"value": "#2F5560",
"type": "color"
},
"800": {
"value": "#22393F",
"type": "color"
},
"900": {
"value": "#162327",
"type": "color"
}
}
}
}