#2991C2 is a mid-toned, cool blue. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #2991C2 works with other colors. Named schemes with #2991C2 in its natural role, and a note on why the supporting colors balance it.
Ocean Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Ocean Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Ocean 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 Ocean Blue.
Ocean 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 Ocean Blue carrying the quiet middle.
Ocean 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 #2991C2 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 #2991C2 at work across the surfaces designers actually ship.
:root {
--color-base: #2991C2;
--color-base-rgb: 41 145 194;
--color-base-oklch: oklch(62.1% 0.117 234.3);
--color-50: #F2F9FD;
--color-100: #DDF0F9;
--color-200: #BCE0F1;
--color-300: #8EC7E2;
--color-400: #63ADCF;
--color-500: #418FB4;
--color-600: #387089;
--color-700: #2D5162;
--color-800: #213640;
--color-900: #162227;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
ocean-blue: {
50: '#F2F9FD',
100: '#DDF0F9',
200: '#BCE0F1',
300: '#8EC7E2',
400: '#63ADCF',
500: '#418FB4',
600: '#387089',
700: '#2D5162',
800: '#213640',
900: '#162227',
},
}
$base: #2991C2; $base-ink: #141310; $base-50: #F2F9FD; $base-100: #DDF0F9; $base-200: #BCE0F1; $base-300: #8EC7E2; $base-400: #63ADCF; $base-500: #418FB4; $base-600: #387089; $base-700: #2D5162; $base-800: #213640; $base-900: #162227; $base-hover: #21749B; $base-subtle: #C1DDEA;
{
"color": {
"base": {
"value": "#2991C2",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F9FD",
"type": "color"
},
"100": {
"value": "#DDF0F9",
"type": "color"
},
"200": {
"value": "#BCE0F1",
"type": "color"
},
"300": {
"value": "#8EC7E2",
"type": "color"
},
"400": {
"value": "#63ADCF",
"type": "color"
},
"500": {
"value": "#418FB4",
"type": "color"
},
"600": {
"value": "#387089",
"type": "color"
},
"700": {
"value": "#2D5162",
"type": "color"
},
"800": {
"value": "#213640",
"type": "color"
},
"900": {
"value": "#162227",
"type": "color"
}
}
}
}