#1989BD 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 #1989BD works with other colors. Named schemes with #1989BD 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 #1989BD 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 #1989BD at work across the surfaces designers actually ship.
:root {
--color-base: #1989BD;
--color-base-rgb: 25 137 189;
--color-base-oklch: oklch(59.6% 0.121 235.7);
--color-50: #F1FAFE;
--color-100: #DAF1FB;
--color-200: #B7E2F5;
--color-300: #86CAE9;
--color-400: #59B0D9;
--color-500: #3793BE;
--color-600: #317291;
--color-700: #285366;
--color-800: #1E3743;
--color-900: #142229;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F1FAFE',
100: '#DAF1FB',
200: '#B7E2F5',
300: '#86CAE9',
400: '#59B0D9',
500: '#3793BE',
600: '#317291',
700: '#285366',
800: '#1E3743',
900: '#142229',
},
}
$base: #1989BD; $base-ink: #141310; $base-50: #F1FAFE; $base-100: #DAF1FB; $base-200: #B7E2F5; $base-300: #86CAE9; $base-400: #59B0D9; $base-500: #3793BE; $base-600: #317291; $base-700: #285366; $base-800: #1E3743; $base-900: #142229; $base-hover: #146E98; $base-subtle: #B9DCED;
{
"color": {
"base": {
"value": "#1989BD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FAFE",
"type": "color"
},
"100": {
"value": "#DAF1FB",
"type": "color"
},
"200": {
"value": "#B7E2F5",
"type": "color"
},
"300": {
"value": "#86CAE9",
"type": "color"
},
"400": {
"value": "#59B0D9",
"type": "color"
},
"500": {
"value": "#3793BE",
"type": "color"
},
"600": {
"value": "#317291",
"type": "color"
},
"700": {
"value": "#285366",
"type": "color"
},
"800": {
"value": "#1E3743",
"type": "color"
},
"900": {
"value": "#142229",
"type": "color"
}
}
}
}