#AAC4DE 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 #AAC4DE works with other colors. Named schemes with #AAC4DE 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 #AAC4DE 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 #AAC4DE at work across the surfaces designers actually ship.
:root {
--color-base: #AAC4DE;
--color-base-rgb: 170 196 222;
--color-base-oklch: oklch(80.9% 0.046 248.4);
--color-50: #F4F7FB;
--color-100: #E1EBF4;
--color-200: #C4D6E8;
--color-300: #9BB8D4;
--color-400: #7599BD;
--color-500: #547AA1;
--color-600: #46617C;
--color-700: #364759;
--color-800: #26303B;
--color-900: #191F25;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
light-steel-blue: {
50: '#F4F7FB',
100: '#E1EBF4',
200: '#C4D6E8',
300: '#9BB8D4',
400: '#7599BD',
500: '#547AA1',
600: '#46617C',
700: '#364759',
800: '#26303B',
900: '#191F25',
},
}
$base: #AAC4DE; $base-ink: #141310; $base-50: #F4F7FB; $base-100: #E1EBF4; $base-200: #C4D6E8; $base-300: #9BB8D4; $base-400: #7599BD; $base-500: #547AA1; $base-600: #46617C; $base-700: #364759; $base-800: #26303B; $base-900: #191F25; $base-hover: #729DC8; $base-subtle: #E8EDF3;
{
"color": {
"base": {
"value": "#AAC4DE",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4F7FB",
"type": "color"
},
"100": {
"value": "#E1EBF4",
"type": "color"
},
"200": {
"value": "#C4D6E8",
"type": "color"
},
"300": {
"value": "#9BB8D4",
"type": "color"
},
"400": {
"value": "#7599BD",
"type": "color"
},
"500": {
"value": "#547AA1",
"type": "color"
},
"600": {
"value": "#46617C",
"type": "color"
},
"700": {
"value": "#364759",
"type": "color"
},
"800": {
"value": "#26303B",
"type": "color"
},
"900": {
"value": "#191F25",
"type": "color"
}
}
}
}