#248ABC 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 #248ABC works with other colors. Named schemes with #248ABC 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 #248ABC 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 #248ABC at work across the surfaces designers actually ship.
:root {
--color-base: #248ABC;
--color-base-rgb: 36 138 188;
--color-base-oklch: oklch(60.0% 0.117 235.7);
--color-50: #F2F9FD;
--color-100: #DCEFF9;
--color-200: #BBDFF2;
--color-300: #8CC6E3;
--color-400: #61ACD1;
--color-500: #3F8EB6;
--color-600: #376F8B;
--color-700: #2C5163;
--color-800: #203641;
--color-900: #152228;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F2F9FD',
100: '#DCEFF9',
200: '#BBDFF2',
300: '#8CC6E3',
400: '#61ACD1',
500: '#3F8EB6',
600: '#376F8B',
700: '#2C5163',
800: '#203641',
900: '#152228',
},
}
$base: #248ABC; $base-ink: #141310; $base-50: #F2F9FD; $base-100: #DCEFF9; $base-200: #BBDFF2; $base-300: #8CC6E3; $base-400: #61ACD1; $base-500: #3F8EB6; $base-600: #376F8B; $base-700: #2C5163; $base-800: #203641; $base-900: #152228; $base-hover: #1D6E97; $base-subtle: #BEDCEA;
{
"color": {
"base": {
"value": "#248ABC",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F9FD",
"type": "color"
},
"100": {
"value": "#DCEFF9",
"type": "color"
},
"200": {
"value": "#BBDFF2",
"type": "color"
},
"300": {
"value": "#8CC6E3",
"type": "color"
},
"400": {
"value": "#61ACD1",
"type": "color"
},
"500": {
"value": "#3F8EB6",
"type": "color"
},
"600": {
"value": "#376F8B",
"type": "color"
},
"700": {
"value": "#2C5163",
"type": "color"
},
"800": {
"value": "#203641",
"type": "color"
},
"900": {
"value": "#152228",
"type": "color"
}
}
}
}