#AECBF9 is a soft, cool indigo. On the Color Lab it reads clean and engineered. It holds up as a large surface and is too pale to lead as a primary accent.
Not just a swatch — here's how #AECBF9 works with other colors. Named schemes with #AECBF9 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 #AECBF9 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 #AECBF9 at work across the surfaces designers actually ship.
:root {
--color-base: #AECBF9;
--color-base-rgb: 174 203 249;
--color-base-oklch: oklch(83.7% 0.072 259.5);
--color-50: #F0F6FE;
--color-100: #D8E6FD;
--color-200: #B3CEF9;
--color-300: #80ABEF;
--color-400: #5288E0;
--color-500: #2F69C6;
--color-600: #2B5496;
--color-700: #253F6A;
--color-800: #1C2C45;
--color-900: #131C2A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
light-steel-blue: {
50: '#F0F6FE',
100: '#D8E6FD',
200: '#B3CEF9',
300: '#80ABEF',
400: '#5288E0',
500: '#2F69C6',
600: '#2B5496',
700: '#253F6A',
800: '#1C2C45',
900: '#131C2A',
},
}
$base: #AECBF9; $base-ink: #141310; $base-50: #F0F6FE; $base-100: #D8E6FD; $base-200: #B3CEF9; $base-300: #80ABEF; $base-400: #5288E0; $base-500: #2F69C6; $base-600: #2B5496; $base-700: #253F6A; $base-800: #1C2C45; $base-900: #131C2A; $base-hover: #6098F3; $base-subtle: #E9F0FA;
{
"color": {
"base": {
"value": "#AECBF9",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F6FE",
"type": "color"
},
"100": {
"value": "#D8E6FD",
"type": "color"
},
"200": {
"value": "#B3CEF9",
"type": "color"
},
"300": {
"value": "#80ABEF",
"type": "color"
},
"400": {
"value": "#5288E0",
"type": "color"
},
"500": {
"value": "#2F69C6",
"type": "color"
},
"600": {
"value": "#2B5496",
"type": "color"
},
"700": {
"value": "#253F6A",
"type": "color"
},
"800": {
"value": "#1C2C45",
"type": "color"
},
"900": {
"value": "#131C2A",
"type": "color"
}
}
}
}