#5AA9F8 is a mid-toned, cool indigo. On the Color Lab it reads clean and engineered. It sits well as a supporting tone.
Not just a swatch — here's how #5AA9F8 works with other colors. Named schemes with #5AA9F8 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 #5AA9F8 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 #5AA9F8 at work across the surfaces designers actually ship.
:root {
--color-base: #5AA9F8;
--color-base-rgb: 90 169 248;
--color-base-oklch: oklch(71.9% 0.140 250.4);
--color-50: #F0F7FE;
--color-100: #D8EBFD;
--color-200: #B1D6FC;
--color-300: #7CB8F3;
--color-400: #4D99E5;
--color-500: #297ACB;
--color-600: #28619A;
--color-700: #22476D;
--color-800: #1A3047;
--color-900: #121F2B;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
picton-blue: {
50: '#F0F7FE',
100: '#D8EBFD',
200: '#B1D6FC',
300: '#7CB8F3',
400: '#4D99E5',
500: '#297ACB',
600: '#28619A',
700: '#22476D',
800: '#1A3047',
900: '#121F2B',
},
}
$base: #5AA9F8; $base-ink: #141310; $base-50: #F0F7FE; $base-100: #D8EBFD; $base-200: #B1D6FC; $base-300: #7CB8F3; $base-400: #4D99E5; $base-500: #297ACB; $base-600: #28619A; $base-700: #22476D; $base-800: #1A3047; $base-900: #121F2B; $base-hover: #1887F5; $base-subtle: #D3E5F7;
{
"color": {
"base": {
"value": "#5AA9F8",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D8EBFD",
"type": "color"
},
"200": {
"value": "#B1D6FC",
"type": "color"
},
"300": {
"value": "#7CB8F3",
"type": "color"
},
"400": {
"value": "#4D99E5",
"type": "color"
},
"500": {
"value": "#297ACB",
"type": "color"
},
"600": {
"value": "#28619A",
"type": "color"
},
"700": {
"value": "#22476D",
"type": "color"
},
"800": {
"value": "#1A3047",
"type": "color"
},
"900": {
"value": "#121F2B",
"type": "color"
}
}
}
}