#2986EF is a mid-toned, cool indigo. On the Color Lab it reads clean and engineered, bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #2986EF works with other colors. Named schemes with #2986EF in its natural role, and a note on why the supporting colors balance it.
Signal Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Signal Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Signal 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 Signal Blue.
Signal 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 Signal Blue carrying the quiet middle.
Signal 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 #2986EF 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 #2986EF at work across the surfaces designers actually ship.
:root {
--color-base: #2986EF;
--color-base-rgb: 41 134 239;
--color-base-oklch: oklch(62.2% 0.179 254.8);
--color-50: #F0F7FE;
--color-100: #D8E9FD;
--color-200: #B3D4F9;
--color-300: #80B4EF;
--color-400: #5294E0;
--color-500: #2F75C6;
--color-600: #2B5D96;
--color-700: #25456A;
--color-800: #1C2F45;
--color-900: #131E2A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
signal-blue: {
50: '#F0F7FE',
100: '#D8E9FD',
200: '#B3D4F9',
300: '#80B4EF',
400: '#5294E0',
500: '#2F75C6',
600: '#2B5D96',
700: '#25456A',
800: '#1C2F45',
900: '#131E2A',
},
}
$base: #2986EF; $base-ink: #141310; $base-50: #F0F7FE; $base-100: #D8E9FD; $base-200: #B3D4F9; $base-300: #80B4EF; $base-400: #5294E0; $base-500: #2F75C6; $base-600: #2B5D96; $base-700: #25456A; $base-800: #1C2F45; $base-900: #131E2A; $base-hover: #106AD1; $base-subtle: #C6DBF3;
{
"color": {
"base": {
"value": "#2986EF",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D8E9FD",
"type": "color"
},
"200": {
"value": "#B3D4F9",
"type": "color"
},
"300": {
"value": "#80B4EF",
"type": "color"
},
"400": {
"value": "#5294E0",
"type": "color"
},
"500": {
"value": "#2F75C6",
"type": "color"
},
"600": {
"value": "#2B5D96",
"type": "color"
},
"700": {
"value": "#25456A",
"type": "color"
},
"800": {
"value": "#1C2F45",
"type": "color"
},
"900": {
"value": "#131E2A",
"type": "color"
}
}
}
}