#3EBEF9 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 #3EBEF9 works with other colors. Named schemes with #3EBEF9 in its natural role, and a note on why the supporting colors balance it.
Deep Sky Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Deep Sky Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Deep 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 Deep Sky Blue.
Deep 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 Deep Sky Blue carrying the quiet middle.
Deep 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 #3EBEF9 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 #3EBEF9 at work across the surfaces designers actually ship.
:root {
--color-base: #3EBEF9;
--color-base-rgb: 62 190 249;
--color-base-oklch: oklch(75.8% 0.137 233.1);
--color-50: #F0FAFE;
--color-100: #D8F1FD;
--color-200: #B1E4FC;
--color-300: #7BCEF4;
--color-400: #4BB6E7;
--color-500: #2899CD;
--color-600: #26769B;
--color-700: #21556D;
--color-800: #1A3947;
--color-900: #12232B;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
deep-sky-blue: {
50: '#F0FAFE',
100: '#D8F1FD',
200: '#B1E4FC',
300: '#7BCEF4',
400: '#4BB6E7',
500: '#2899CD',
600: '#26769B',
700: '#21556D',
800: '#1A3947',
900: '#12232B',
},
}
$base: #3EBEF9; $base-ink: #141310; $base-50: #F0FAFE; $base-100: #D8F1FD; $base-200: #B1E4FC; $base-300: #7BCEF4; $base-400: #4BB6E7; $base-500: #2899CD; $base-600: #26769B; $base-700: #21556D; $base-800: #1A3947; $base-900: #12232B; $base-hover: #07A7F1; $base-subtle: #CCE9F6;
{
"color": {
"base": {
"value": "#3EBEF9",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FAFE",
"type": "color"
},
"100": {
"value": "#D8F1FD",
"type": "color"
},
"200": {
"value": "#B1E4FC",
"type": "color"
},
"300": {
"value": "#7BCEF4",
"type": "color"
},
"400": {
"value": "#4BB6E7",
"type": "color"
},
"500": {
"value": "#2899CD",
"type": "color"
},
"600": {
"value": "#26769B",
"type": "color"
},
"700": {
"value": "#21556D",
"type": "color"
},
"800": {
"value": "#1A3947",
"type": "color"
},
"900": {
"value": "#12232B",
"type": "color"
}
}
}
}