#1985DD 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 #1985DD works with other colors. Named schemes with #1985DD in its natural role, and a note on why the supporting colors balance it.
Signal Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Signal 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 Signal Blue.
Signal 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.
Signal Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Signal 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 Signal Blue carrying the quiet middle.
How #1985DD 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 #1985DD at work across the surfaces designers actually ship.
:root {
--color-base: #1985DD;
--color-base-rgb: 25 133 221;
--color-base-oklch: oklch(60.5% 0.161 249.7);
--color-50: #F1F8FE;
--color-100: #D9ECFC;
--color-200: #B6D9F7;
--color-300: #84BDEB;
--color-400: #57A0DB;
--color-500: #3481C1;
--color-600: #2F6693;
--color-700: #274B68;
--color-800: #1D3244;
--color-900: #142029;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
signal-blue: {
50: '#F1F8FE',
100: '#D9ECFC',
200: '#B6D9F7',
300: '#84BDEB',
400: '#57A0DB',
500: '#3481C1',
600: '#2F6693',
700: '#274B68',
800: '#1D3244',
900: '#142029',
},
}
$base: #1985DD; $base-ink: #141310; $base-50: #F1F8FE; $base-100: #D9ECFC; $base-200: #B6D9F7; $base-300: #84BDEB; $base-400: #57A0DB; $base-500: #3481C1; $base-600: #2F6693; $base-700: #274B68; $base-800: #1D3244; $base-900: #142029; $base-hover: #146AB0; $base-subtle: #BFDAEF;
{
"color": {
"base": {
"value": "#1985DD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F8FE",
"type": "color"
},
"100": {
"value": "#D9ECFC",
"type": "color"
},
"200": {
"value": "#B6D9F7",
"type": "color"
},
"300": {
"value": "#84BDEB",
"type": "color"
},
"400": {
"value": "#57A0DB",
"type": "color"
},
"500": {
"value": "#3481C1",
"type": "color"
},
"600": {
"value": "#2F6693",
"type": "color"
},
"700": {
"value": "#274B68",
"type": "color"
},
"800": {
"value": "#1D3244",
"type": "color"
},
"900": {
"value": "#142029",
"type": "color"
}
}
}
}