#4D77AD 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 #4D77AD works with other colors. Named schemes with #4D77AD 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 #4D77AD 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 #4D77AD at work across the surfaces designers actually ship.
:root {
--color-base: #4D77AD;
--color-base-rgb: 77 119 173;
--color-base-oklch: oklch(56.2% 0.097 255.2);
--color-50: #F4F7FB;
--color-100: #E2EAF3;
--color-200: #C7D4E6;
--color-300: #9FB4D0;
--color-400: #7A95B8;
--color-500: #59769C;
--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: '#E2EAF3',
200: '#C7D4E6',
300: '#9FB4D0',
400: '#7A95B8',
500: '#59769C',
600: '#495E79',
700: '#384557',
800: '#272F3A',
900: '#191E24',
},
}
$base: #4D77AD; $base-ink: #FFFFFF; $base-50: #F4F7FB; $base-100: #E2EAF3; $base-200: #C7D4E6; $base-300: #9FB4D0; $base-400: #7A95B8; $base-500: #59769C; $base-600: #495E79; $base-700: #384557; $base-800: #272F3A; $base-900: #191E24; $base-hover: #3E5F8A; $base-subtle: #CDD6E3;
{
"color": {
"base": {
"value": "#4D77AD",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4F7FB",
"type": "color"
},
"100": {
"value": "#E2EAF3",
"type": "color"
},
"200": {
"value": "#C7D4E6",
"type": "color"
},
"300": {
"value": "#9FB4D0",
"type": "color"
},
"400": {
"value": "#7A95B8",
"type": "color"
},
"500": {
"value": "#59769C",
"type": "color"
},
"600": {
"value": "#495E79",
"type": "color"
},
"700": {
"value": "#384557",
"type": "color"
},
"800": {
"value": "#272F3A",
"type": "color"
},
"900": {
"value": "#191E24",
"type": "color"
}
}
}
}