#033163 is a deep, cool indigo. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #033163 works with other colors. Named schemes with #033163 in its natural role, and a note on why the supporting colors balance it.
Yale Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Yale Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.
Yale Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Yale Blue.
Yale 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.
Yale 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 Yale Blue carrying the quiet middle.
How #033163 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 #033163 at work across the surfaces designers actually ship.
:root {
--color-base: #033163;
--color-base-rgb: 3 49 99;
--color-base-oklch: oklch(31.7% 0.100 254.9);
--color-50: #F0F7FE;
--color-100: #D8EAFD;
--color-200: #B1D5FC;
--color-300: #7BB6F4;
--color-400: #4B96E7;
--color-500: #2878CD;
--color-600: #265F9B;
--color-700: #21466D;
--color-800: #1A3047;
--color-900: #121E2B;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
yale-blue: {
50: '#F0F7FE',
100: '#D8EAFD',
200: '#B1D5FC',
300: '#7BB6F4',
400: '#4B96E7',
500: '#2878CD',
600: '#265F9B',
700: '#21466D',
800: '#1A3047',
900: '#121E2B',
},
}
$base: #033163; $base-ink: #FFFFFF; $base-50: #F0F7FE; $base-100: #D8EAFD; $base-200: #B1D5FC; $base-300: #7BB6F4; $base-400: #4B96E7; $base-500: #2878CD; $base-600: #265F9B; $base-700: #21466D; $base-800: #1A3047; $base-900: #121E2B; $base-hover: #02284F; $base-subtle: #96C0EE;
{
"color": {
"base": {
"value": "#033163",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D8EAFD",
"type": "color"
},
"200": {
"value": "#B1D5FC",
"type": "color"
},
"300": {
"value": "#7BB6F4",
"type": "color"
},
"400": {
"value": "#4B96E7",
"type": "color"
},
"500": {
"value": "#2878CD",
"type": "color"
},
"600": {
"value": "#265F9B",
"type": "color"
},
"700": {
"value": "#21466D",
"type": "color"
},
"800": {
"value": "#1A3047",
"type": "color"
},
"900": {
"value": "#121E2B",
"type": "color"
}
}
}
}