#4BB1EC 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 #4BB1EC works with other colors. Named schemes with #4BB1EC 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 #4BB1EC 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 #4BB1EC at work across the surfaces designers actually ship.
:root {
--color-base: #4BB1EC;
--color-base-rgb: 75 177 236;
--color-base-oklch: oklch(72.5% 0.127 237.6);
--color-50: #F1F9FE;
--color-100: #D9EFFC;
--color-200: #B5DFF7;
--color-300: #83C6EC;
--color-400: #56ABDC;
--color-500: #338DC2;
--color-600: #2E6E93;
--color-700: #275068;
--color-800: #1D3644;
--color-900: #14222A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
picton-blue: {
50: '#F1F9FE',
100: '#D9EFFC',
200: '#B5DFF7',
300: '#83C6EC',
400: '#56ABDC',
500: '#338DC2',
600: '#2E6E93',
700: '#275068',
800: '#1D3644',
900: '#14222A',
},
}
$base: #4BB1EC; $base-ink: #141310; $base-50: #F1F9FE; $base-100: #D9EFFC; $base-200: #B5DFF7; $base-300: #83C6EC; $base-400: #56ABDC; $base-500: #338DC2; $base-600: #2E6E93; $base-700: #275068; $base-800: #1D3644; $base-900: #14222A; $base-hover: #1897E1; $base-subtle: #CFE6F4;
{
"color": {
"base": {
"value": "#4BB1EC",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F9FE",
"type": "color"
},
"100": {
"value": "#D9EFFC",
"type": "color"
},
"200": {
"value": "#B5DFF7",
"type": "color"
},
"300": {
"value": "#83C6EC",
"type": "color"
},
"400": {
"value": "#56ABDC",
"type": "color"
},
"500": {
"value": "#338DC2",
"type": "color"
},
"600": {
"value": "#2E6E93",
"type": "color"
},
"700": {
"value": "#275068",
"type": "color"
},
"800": {
"value": "#1D3644",
"type": "color"
},
"900": {
"value": "#14222A",
"type": "color"
}
}
}
}