#258FA5 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 #258FA5 works with other colors. Named schemes with #258FA5 in its natural role, and a note on why the supporting colors balance it.
Bondi Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Bondi 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 Bondi Blue.
Bondi 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.
Bondi Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Bondi 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 Bondi Blue carrying the quiet middle.
How #258FA5 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 #258FA5 at work across the surfaces designers actually ship.
:root {
--color-base: #258FA5;
--color-base-rgb: 37 143 165;
--color-base-oklch: oklch(60.2% 0.097 215.3);
--color-50: #F2FBFD;
--color-100: #DDF4F8;
--color-200: #BDE7F0;
--color-300: #8FD3E0;
--color-400: #65BCCD;
--color-500: #439FB2;
--color-600: #3A7B88;
--color-700: #2E5861;
--color-800: #213B40;
--color-900: #162427;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
bondi-blue: {
50: '#F2FBFD',
100: '#DDF4F8',
200: '#BDE7F0',
300: '#8FD3E0',
400: '#65BCCD',
500: '#439FB2',
600: '#3A7B88',
700: '#2E5861',
800: '#213B40',
900: '#162427',
},
}
$base: #258FA5; $base-ink: #141310; $base-50: #F2FBFD; $base-100: #DDF4F8; $base-200: #BDE7F0; $base-300: #8FD3E0; $base-400: #65BCCD; $base-500: #439FB2; $base-600: #3A7B88; $base-700: #2E5861; $base-800: #213B40; $base-900: #162427; $base-hover: #1E7485; $base-subtle: #BBE0E7;
{
"color": {
"base": {
"value": "#258FA5",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FBFD",
"type": "color"
},
"100": {
"value": "#DDF4F8",
"type": "color"
},
"200": {
"value": "#BDE7F0",
"type": "color"
},
"300": {
"value": "#8FD3E0",
"type": "color"
},
"400": {
"value": "#65BCCD",
"type": "color"
},
"500": {
"value": "#439FB2",
"type": "color"
},
"600": {
"value": "#3A7B88",
"type": "color"
},
"700": {
"value": "#2E5861",
"type": "color"
},
"800": {
"value": "#213B40",
"type": "color"
},
"900": {
"value": "#162427",
"type": "color"
}
}
}
}