#2D83B9 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 #2D83B9 works with other colors. Named schemes with #2D83B9 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 #2D83B9 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 #2D83B9 at work across the surfaces designers actually ship.
:root {
--color-base: #2D83B9;
--color-base-rgb: 45 131 185;
--color-base-oklch: oklch(58.4% 0.115 240.8);
--color-50: #F2F9FC;
--color-100: #DDEEF8;
--color-200: #BDDCEF;
--color-300: #90C1DF;
--color-400: #67A5CB;
--color-500: #4587B0;
--color-600: #3B6A87;
--color-700: #2F4D60;
--color-800: #22343F;
--color-900: #162127;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F2F9FC',
100: '#DDEEF8',
200: '#BDDCEF',
300: '#90C1DF',
400: '#67A5CB',
500: '#4587B0',
600: '#3B6A87',
700: '#2F4D60',
800: '#22343F',
900: '#162127',
},
}
$base: #2D83B9; $base-ink: #141310; $base-50: #F2F9FC; $base-100: #DDEEF8; $base-200: #BDDCEF; $base-300: #90C1DF; $base-400: #67A5CB; $base-500: #4587B0; $base-600: #3B6A87; $base-700: #2F4D60; $base-800: #22343F; $base-900: #162127; $base-hover: #246994; $base-subtle: #C1D9E8;
{
"color": {
"base": {
"value": "#2D83B9",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F9FC",
"type": "color"
},
"100": {
"value": "#DDEEF8",
"type": "color"
},
"200": {
"value": "#BDDCEF",
"type": "color"
},
"300": {
"value": "#90C1DF",
"type": "color"
},
"400": {
"value": "#67A5CB",
"type": "color"
},
"500": {
"value": "#4587B0",
"type": "color"
},
"600": {
"value": "#3B6A87",
"type": "color"
},
"700": {
"value": "#2F4D60",
"type": "color"
},
"800": {
"value": "#22343F",
"type": "color"
},
"900": {
"value": "#162127",
"type": "color"
}
}
}
}