#3DAEF5 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 #3DAEF5 works with other colors. Named schemes with #3DAEF5 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 #3DAEF5 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 #3DAEF5 at work across the surfaces designers actually ship.
:root {
--color-base: #3DAEF5;
--color-base-rgb: 61 174 245;
--color-base-oklch: oklch(71.9% 0.143 241.0);
--color-50: #F0F9FE;
--color-100: #D8EFFD;
--color-200: #B2DFFB;
--color-300: #7EC5F2;
--color-400: #4FAAE3;
--color-500: #2B8DCA;
--color-600: #296E99;
--color-700: #23506C;
--color-800: #1B3546;
--color-900: #12212B;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
picton-blue: {
50: '#F0F9FE',
100: '#D8EFFD',
200: '#B2DFFB',
300: '#7EC5F2',
400: '#4FAAE3',
500: '#2B8DCA',
600: '#296E99',
700: '#23506C',
800: '#1B3546',
900: '#12212B',
},
}
$base: #3DAEF5; $base-ink: #141310; $base-50: #F0F9FE; $base-100: #D8EFFD; $base-200: #B2DFFB; $base-300: #7EC5F2; $base-400: #4FAAE3; $base-500: #2B8DCA; $base-600: #296E99; $base-700: #23506C; $base-800: #1B3546; $base-900: #12212B; $base-hover: #0C94E9; $base-subtle: #CBE5F5;
{
"color": {
"base": {
"value": "#3DAEF5",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F9FE",
"type": "color"
},
"100": {
"value": "#D8EFFD",
"type": "color"
},
"200": {
"value": "#B2DFFB",
"type": "color"
},
"300": {
"value": "#7EC5F2",
"type": "color"
},
"400": {
"value": "#4FAAE3",
"type": "color"
},
"500": {
"value": "#2B8DCA",
"type": "color"
},
"600": {
"value": "#296E99",
"type": "color"
},
"700": {
"value": "#23506C",
"type": "color"
},
"800": {
"value": "#1B3546",
"type": "color"
},
"900": {
"value": "#12212B",
"type": "color"
}
}
}
}