#046FBC 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 #046FBC works with other colors. Named schemes with #046FBC 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 #046FBC 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 #046FBC at work across the surfaces designers actually ship.
:root {
--color-base: #046FBC;
--color-base-rgb: 4 111 188;
--color-base-oklch: oklch(53.1% 0.146 249.2);
--color-50: #F0F9FE;
--color-100: #D8EEFD;
--color-200: #B1DCFC;
--color-300: #7AC2F6;
--color-400: #4AA6E8;
--color-500: #2688CF;
--color-600: #256B9D;
--color-700: #214E6E;
--color-800: #193448;
--color-900: #12212C;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
true-blue: {
50: '#F0F9FE',
100: '#D8EEFD',
200: '#B1DCFC',
300: '#7AC2F6',
400: '#4AA6E8',
500: '#2688CF',
600: '#256B9D',
700: '#214E6E',
800: '#193448',
900: '#12212C',
},
}
$base: #046FBC; $base-ink: #FFFFFF; $base-50: #F0F9FE; $base-100: #D8EEFD; $base-200: #B1DCFC; $base-300: #7AC2F6; $base-400: #4AA6E8; $base-500: #2688CF; $base-600: #256B9D; $base-700: #214E6E; $base-800: #193448; $base-900: #12212C; $base-hover: #035A98; $base-subtle: #ADD5F2;
{
"color": {
"base": {
"value": "#046FBC",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F9FE",
"type": "color"
},
"100": {
"value": "#D8EEFD",
"type": "color"
},
"200": {
"value": "#B1DCFC",
"type": "color"
},
"300": {
"value": "#7AC2F6",
"type": "color"
},
"400": {
"value": "#4AA6E8",
"type": "color"
},
"500": {
"value": "#2688CF",
"type": "color"
},
"600": {
"value": "#256B9D",
"type": "color"
},
"700": {
"value": "#214E6E",
"type": "color"
},
"800": {
"value": "#193448",
"type": "color"
},
"900": {
"value": "#12212C",
"type": "color"
}
}
}
}