#447ABD 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 #447ABD works with other colors. Named schemes with #447ABD 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 #447ABD 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 #447ABD at work across the surfaces designers actually ship.
:root {
--color-base: #447ABD;
--color-base-rgb: 68 122 189;
--color-base-oklch: oklch(57.4% 0.119 254.8);
--color-50: #F3F7FB;
--color-100: #E0EAF5;
--color-200: #C3D4EA;
--color-300: #99B5D7;
--color-400: #7195C1;
--color-500: #5076A5;
--color-600: #435E7F;
--color-700: #34455B;
--color-800: #252F3C;
--color-900: #181E25;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F3F7FB',
100: '#E0EAF5',
200: '#C3D4EA',
300: '#99B5D7',
400: '#7195C1',
500: '#5076A5',
600: '#435E7F',
700: '#34455B',
800: '#252F3C',
900: '#181E25',
},
}
$base: #447ABD; $base-ink: #141310; $base-50: #F3F7FB; $base-100: #E0EAF5; $base-200: #C3D4EA; $base-300: #99B5D7; $base-400: #7195C1; $base-500: #5076A5; $base-600: #435E7F; $base-700: #34455B; $base-800: #252F3C; $base-900: #181E25; $base-hover: #356197; $base-subtle: #CBD7E7;
{
"color": {
"base": {
"value": "#447ABD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F7FB",
"type": "color"
},
"100": {
"value": "#E0EAF5",
"type": "color"
},
"200": {
"value": "#C3D4EA",
"type": "color"
},
"300": {
"value": "#99B5D7",
"type": "color"
},
"400": {
"value": "#7195C1",
"type": "color"
},
"500": {
"value": "#5076A5",
"type": "color"
},
"600": {
"value": "#435E7F",
"type": "color"
},
"700": {
"value": "#34455B",
"type": "color"
},
"800": {
"value": "#252F3C",
"type": "color"
},
"900": {
"value": "#181E25",
"type": "color"
}
}
}
}