#4B74AA is a mid-toned, cool indigo. On the Color Lab it reads clean and engineered, with a faded, vintage edge. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #4B74AA works with other colors. Named schemes with #4B74AA in its natural role, and a note on why the supporting colors balance it.
Steel Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Steel 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 Steel Blue.
Steel 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.
Steel Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Steel 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 Steel Blue carrying the quiet middle.
How #4B74AA 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 #4B74AA at work across the surfaces designers actually ship.
:root {
--color-base: #4B74AA;
--color-base-rgb: 75 116 170;
--color-base-oklch: oklch(55.3% 0.096 255.7);
--color-50: #F4F7FB;
--color-100: #E2E9F3;
--color-200: #C6D4E6;
--color-300: #9EB4D1;
--color-400: #7995B9;
--color-500: #58769D;
--color-600: #495E79;
--color-700: #384557;
--color-800: #272F3A;
--color-900: #191E24;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F4F7FB',
100: '#E2E9F3',
200: '#C6D4E6',
300: '#9EB4D1',
400: '#7995B9',
500: '#58769D',
600: '#495E79',
700: '#384557',
800: '#272F3A',
900: '#191E24',
},
}
$base: #4B74AA; $base-ink: #FFFFFF; $base-50: #F4F7FB; $base-100: #E2E9F3; $base-200: #C6D4E6; $base-300: #9EB4D1; $base-400: #7995B9; $base-500: #58769D; $base-600: #495E79; $base-700: #384557; $base-800: #272F3A; $base-900: #191E24; $base-hover: #3C5D88; $base-subtle: #CBD6E3;
{
"color": {
"base": {
"value": "#4B74AA",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4F7FB",
"type": "color"
},
"100": {
"value": "#E2E9F3",
"type": "color"
},
"200": {
"value": "#C6D4E6",
"type": "color"
},
"300": {
"value": "#9EB4D1",
"type": "color"
},
"400": {
"value": "#7995B9",
"type": "color"
},
"500": {
"value": "#58769D",
"type": "color"
},
"600": {
"value": "#495E79",
"type": "color"
},
"700": {
"value": "#384557",
"type": "color"
},
"800": {
"value": "#272F3A",
"type": "color"
},
"900": {
"value": "#191E24",
"type": "color"
}
}
}
}