#339DBD 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 #339DBD works with other colors. Named schemes with #339DBD 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 keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal 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 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.
Bondi Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
How #339DBD 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 #339DBD at work across the surfaces designers actually ship.
:root {
--color-base: #339DBD;
--color-base-rgb: 51 157 189;
--color-base-oklch: oklch(65.0% 0.105 222.3);
--color-50: #F2FAFC;
--color-100: #DEF1F7;
--color-200: #BFE3EE;
--color-300: #92CCDD;
--color-400: #69B3C9;
--color-500: #4796AD;
--color-600: #3D7485;
--color-700: #30545F;
--color-800: #23383E;
--color-900: #172326;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
bondi-blue: {
50: '#F2FAFC',
100: '#DEF1F7',
200: '#BFE3EE',
300: '#92CCDD',
400: '#69B3C9',
500: '#4796AD',
600: '#3D7485',
700: '#30545F',
800: '#23383E',
900: '#172326',
},
}
$base: #339DBD; $base-ink: #141310; $base-50: #F2FAFC; $base-100: #DEF1F7; $base-200: #BFE3EE; $base-300: #92CCDD; $base-400: #69B3C9; $base-500: #4796AD; $base-600: #3D7485; $base-700: #30545F; $base-800: #23383E; $base-900: #172326; $base-hover: #287E97; $base-subtle: #C5E0E8;
{
"color": {
"base": {
"value": "#339DBD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FAFC",
"type": "color"
},
"100": {
"value": "#DEF1F7",
"type": "color"
},
"200": {
"value": "#BFE3EE",
"type": "color"
},
"300": {
"value": "#92CCDD",
"type": "color"
},
"400": {
"value": "#69B3C9",
"type": "color"
},
"500": {
"value": "#4796AD",
"type": "color"
},
"600": {
"value": "#3D7485",
"type": "color"
},
"700": {
"value": "#30545F",
"type": "color"
},
"800": {
"value": "#23383E",
"type": "color"
},
"900": {
"value": "#172326",
"type": "color"
}
}
}
}