#28889D 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 #28889D works with other colors. Named schemes with #28889D in its natural role, and a note on why the supporting colors balance it.
Dark Cyan opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Dark Cyan keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Dark Cyan is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Dark Cyan.
Dark Cyan plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Dark Cyan 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 Dark Cyan carrying the quiet middle.
How #28889D 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 #28889D at work across the surfaces designers actually ship.
:root {
--color-base: #28889D;
--color-base-rgb: 40 136 157;
--color-base-oklch: oklch(58.2% 0.091 215.8);
--color-50: #F2FAFC;
--color-100: #DEF3F7;
--color-200: #BEE5EE;
--color-300: #92D0DE;
--color-400: #68B8CA;
--color-500: #469BAE;
--color-600: #3C7886;
--color-700: #30565F;
--color-800: #22393F;
--color-900: #172427;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dark-cyan: {
50: '#F2FAFC',
100: '#DEF3F7',
200: '#BEE5EE',
300: '#92D0DE',
400: '#68B8CA',
500: '#469BAE',
600: '#3C7886',
700: '#30565F',
800: '#22393F',
900: '#172427',
},
}
$base: #28889D; $base-ink: #141310; $base-50: #F2FAFC; $base-100: #DEF3F7; $base-200: #BEE5EE; $base-300: #92D0DE; $base-400: #68B8CA; $base-500: #469BAE; $base-600: #3C7886; $base-700: #30565F; $base-800: #22393F; $base-900: #172427; $base-hover: #216D7F; $base-subtle: #BBDEE5;
{
"color": {
"base": {
"value": "#28889D",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FAFC",
"type": "color"
},
"100": {
"value": "#DEF3F7",
"type": "color"
},
"200": {
"value": "#BEE5EE",
"type": "color"
},
"300": {
"value": "#92D0DE",
"type": "color"
},
"400": {
"value": "#68B8CA",
"type": "color"
},
"500": {
"value": "#469BAE",
"type": "color"
},
"600": {
"value": "#3C7886",
"type": "color"
},
"700": {
"value": "#30565F",
"type": "color"
},
"800": {
"value": "#22393F",
"type": "color"
},
"900": {
"value": "#172427",
"type": "color"
}
}
}
}