#2E83BF 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 #2E83BF works with other colors. Named schemes with #2E83BF 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 #2E83BF 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 #2E83BF at work across the surfaces designers actually ship.
:root {
--color-base: #2E83BF;
--color-base-rgb: 46 131 191;
--color-base-oklch: oklch(58.8% 0.122 243.8);
--color-50: #F2F8FC;
--color-100: #DDEDF8;
--color-200: #BDDAEF;
--color-300: #90BEDF;
--color-400: #67A1CB;
--color-500: #4583B0;
--color-600: #3B6787;
--color-700: #2F4C60;
--color-800: #22333F;
--color-900: #162027;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F2F8FC',
100: '#DDEDF8',
200: '#BDDAEF',
300: '#90BEDF',
400: '#67A1CB',
500: '#4583B0',
600: '#3B6787',
700: '#2F4C60',
800: '#22333F',
900: '#162027',
},
}
$base: #2E83BF; $base-ink: #141310; $base-50: #F2F8FC; $base-100: #DDEDF8; $base-200: #BDDAEF; $base-300: #90BEDF; $base-400: #67A1CB; $base-500: #4583B0; $base-600: #3B6787; $base-700: #2F4C60; $base-800: #22333F; $base-900: #162027; $base-hover: #256797; $base-subtle: #C3D9E9;
{
"color": {
"base": {
"value": "#2E83BF",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F8FC",
"type": "color"
},
"100": {
"value": "#DDEDF8",
"type": "color"
},
"200": {
"value": "#BDDAEF",
"type": "color"
},
"300": {
"value": "#90BEDF",
"type": "color"
},
"400": {
"value": "#67A1CB",
"type": "color"
},
"500": {
"value": "#4583B0",
"type": "color"
},
"600": {
"value": "#3B6787",
"type": "color"
},
"700": {
"value": "#2F4C60",
"type": "color"
},
"800": {
"value": "#22333F",
"type": "color"
},
"900": {
"value": "#162027",
"type": "color"
}
}
}
}