#A3B7D1 is a muted, cool indigo. On the Color Lab it reads clean and engineered, restrained and easy to live with. It holds up as a large surface and is too pale to lead as a primary accent.
Not just a swatch — here's how #A3B7D1 works with other colors. Named schemes with #A3B7D1 in its natural role, and a note on why the supporting colors balance it.
Light Steel Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Light Steel Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Light Steel Blue sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
Light 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 Light Steel Blue.
Light 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 Light Steel Blue carrying the quiet middle.
How #A3B7D1 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 #A3B7D1 at work across the surfaces designers actually ship.
:root {
--color-base: #A3B7D1;
--color-base-rgb: 163 183 209;
--color-base-oklch: oklch(77.3% 0.043 255.0);
--color-50: #F5F7FA;
--color-100: #E3EAF2;
--color-200: #C9D4E4;
--color-300: #A2B5CD;
--color-400: #7E95B4;
--color-500: #5D7797;
--color-600: #4C5E75;
--color-700: #3A4655;
--color-800: #292F38;
--color-900: #1A1E23;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
light-steel-blue: {
50: '#F5F7FA',
100: '#E3EAF2',
200: '#C9D4E4',
300: '#A2B5CD',
400: '#7E95B4',
500: '#5D7797',
600: '#4C5E75',
700: '#3A4655',
800: '#292F38',
900: '#1A1E23',
},
}
$base: #A3B7D1; $base-ink: #141310; $base-50: #F5F7FA; $base-100: #E3EAF2; $base-200: #C9D4E4; $base-300: #A2B5CD; $base-400: #7E95B4; $base-500: #5D7797; $base-600: #4C5E75; $base-700: #3A4655; $base-800: #292F38; $base-900: #1A1E23; $base-hover: #7290B8; $base-subtle: #E5EAF0;
{
"color": {
"base": {
"value": "#A3B7D1",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F7FA",
"type": "color"
},
"100": {
"value": "#E3EAF2",
"type": "color"
},
"200": {
"value": "#C9D4E4",
"type": "color"
},
"300": {
"value": "#A2B5CD",
"type": "color"
},
"400": {
"value": "#7E95B4",
"type": "color"
},
"500": {
"value": "#5D7797",
"type": "color"
},
"600": {
"value": "#4C5E75",
"type": "color"
},
"700": {
"value": "#3A4655",
"type": "color"
},
"800": {
"value": "#292F38",
"type": "color"
},
"900": {
"value": "#1A1E23",
"type": "color"
}
}
}
}