#0F74BC is a mid-toned, cool indigo. 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 #0F74BC works with other colors. Named schemes with #0F74BC in its natural role, and a note on why the supporting colors balance it.
True Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
True 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 True Blue.
True Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
True Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
True 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 True Blue carrying the quiet middle.
How #0F74BC 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 #0F74BC at work across the surfaces designers actually ship.
:root {
--color-base: #0F74BC;
--color-base-rgb: 15 116 188;
--color-base-oklch: oklch(54.4% 0.140 247.5);
--color-50: #F0F9FE;
--color-100: #D8EEFD;
--color-200: #B4DCF9;
--color-300: #81C1EE;
--color-400: #53A5DF;
--color-500: #3087C5;
--color-600: #2C6A96;
--color-700: #254D6A;
--color-800: #1C3445;
--color-900: #13212A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
true-blue: {
50: '#F0F9FE',
100: '#D8EEFD',
200: '#B4DCF9',
300: '#81C1EE',
400: '#53A5DF',
500: '#3087C5',
600: '#2C6A96',
700: '#254D6A',
800: '#1C3445',
900: '#13212A',
},
}
$base: #0F74BC; $base-ink: #FFFFFF; $base-50: #F0F9FE; $base-100: #D8EEFD; $base-200: #B4DCF9; $base-300: #81C1EE; $base-400: #53A5DF; $base-500: #3087C5; $base-600: #2C6A96; $base-700: #254D6A; $base-800: #1C3445; $base-900: #13212A; $base-hover: #0C5D97; $base-subtle: #B3D6EF;
{
"color": {
"base": {
"value": "#0F74BC",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F9FE",
"type": "color"
},
"100": {
"value": "#D8EEFD",
"type": "color"
},
"200": {
"value": "#B4DCF9",
"type": "color"
},
"300": {
"value": "#81C1EE",
"type": "color"
},
"400": {
"value": "#53A5DF",
"type": "color"
},
"500": {
"value": "#3087C5",
"type": "color"
},
"600": {
"value": "#2C6A96",
"type": "color"
},
"700": {
"value": "#254D6A",
"type": "color"
},
"800": {
"value": "#1C3445",
"type": "color"
},
"900": {
"value": "#13212A",
"type": "color"
}
}
}
}