#1D85CA is a mid-toned, cool blue. 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 #1D85CA works with other colors. Named schemes with #1D85CA 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 #1D85CA 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 #1D85CA at work across the surfaces designers actually ship.
:root {
--color-base: #1D85CA;
--color-base-rgb: 29 133 202;
--color-base-oklch: oklch(59.5% 0.138 244.4);
--color-50: #F1F9FE;
--color-100: #DAEEFB;
--color-200: #B8DCF5;
--color-300: #87C1E8;
--color-400: #5BA5D7;
--color-500: #3888BC;
--color-600: #326A90;
--color-700: #294D66;
--color-800: #1E3442;
--color-900: #142129;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F1F9FE',
100: '#DAEEFB',
200: '#B8DCF5',
300: '#87C1E8',
400: '#5BA5D7',
500: '#3888BC',
600: '#326A90',
700: '#294D66',
800: '#1E3442',
900: '#142129',
},
}
$base: #1D85CA; $base-ink: #141310; $base-50: #F1F9FE; $base-100: #DAEEFB; $base-200: #B8DCF5; $base-300: #87C1E8; $base-400: #5BA5D7; $base-500: #3888BC; $base-600: #326A90; $base-700: #294D66; $base-800: #1E3442; $base-900: #142129; $base-hover: #176AA1; $base-subtle: #BDDAED;
{
"color": {
"base": {
"value": "#1D85CA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F9FE",
"type": "color"
},
"100": {
"value": "#DAEEFB",
"type": "color"
},
"200": {
"value": "#B8DCF5",
"type": "color"
},
"300": {
"value": "#87C1E8",
"type": "color"
},
"400": {
"value": "#5BA5D7",
"type": "color"
},
"500": {
"value": "#3888BC",
"type": "color"
},
"600": {
"value": "#326A90",
"type": "color"
},
"700": {
"value": "#294D66",
"type": "color"
},
"800": {
"value": "#1E3442",
"type": "color"
},
"900": {
"value": "#142129",
"type": "color"
}
}
}
}