#258693 is a mid-toned, cool blue. On the Color Lab it reads clean and engineered, with a faded, vintage edge. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #258693 works with other colors. Named schemes with #258693 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 #258693 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 #258693 at work across the surfaces designers actually ship.
:root {
--color-base: #258693;
--color-base-rgb: 37 134 147;
--color-base-oklch: oklch(57.2% 0.088 208.2);
--color-50: #F2FBFC;
--color-100: #DEF5F8;
--color-200: #BEE9EF;
--color-300: #91D5DE;
--color-400: #67BFCB;
--color-500: #46A3AF;
--color-600: #3C7E86;
--color-700: #2F5A60;
--color-800: #223C3F;
--color-900: #162527;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dark-cyan: {
50: '#F2FBFC',
100: '#DEF5F8',
200: '#BEE9EF',
300: '#91D5DE',
400: '#67BFCB',
500: '#46A3AF',
600: '#3C7E86',
700: '#2F5A60',
800: '#223C3F',
900: '#162527',
},
}
$base: #258693; $base-ink: #141310; $base-50: #F2FBFC; $base-100: #DEF5F8; $base-200: #BEE9EF; $base-300: #91D5DE; $base-400: #67BFCB; $base-500: #46A3AF; $base-600: #3C7E86; $base-700: #2F5A60; $base-800: #223C3F; $base-900: #162527; $base-hover: #1D6B76; $base-subtle: #B8DFE4;
{
"color": {
"base": {
"value": "#258693",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FBFC",
"type": "color"
},
"100": {
"value": "#DEF5F8",
"type": "color"
},
"200": {
"value": "#BEE9EF",
"type": "color"
},
"300": {
"value": "#91D5DE",
"type": "color"
},
"400": {
"value": "#67BFCB",
"type": "color"
},
"500": {
"value": "#46A3AF",
"type": "color"
},
"600": {
"value": "#3C7E86",
"type": "color"
},
"700": {
"value": "#2F5A60",
"type": "color"
},
"800": {
"value": "#223C3F",
"type": "color"
},
"900": {
"value": "#162527",
"type": "color"
}
}
}
}