#ACCFF9 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 #ACCFF9 works with other colors. Named schemes with #ACCFF9 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 #ACCFF9 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 #ACCFF9 at work across the surfaces designers actually ship.
:root {
--color-base: #ACCFF9;
--color-base-rgb: 172 207 249;
--color-base-oklch: oklch(84.3% 0.070 253.2);
--color-50: #F0F7FE;
--color-100: #D8E9FD;
--color-200: #B3D3FA;
--color-300: #7FB2F0;
--color-400: #5192E1;
--color-500: #2E73C7;
--color-600: #2B5B97;
--color-700: #24446B;
--color-800: #1C2E45;
--color-900: #131D2A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
light-steel-blue: {
50: '#F0F7FE',
100: '#D8E9FD',
200: '#B3D3FA',
300: '#7FB2F0',
400: '#5192E1',
500: '#2E73C7',
600: '#2B5B97',
700: '#24446B',
800: '#1C2E45',
900: '#131D2A',
},
}
$base: #ACCFF9; $base-ink: #141310; $base-50: #F0F7FE; $base-100: #D8E9FD; $base-200: #B3D3FA; $base-300: #7FB2F0; $base-400: #5192E1; $base-500: #2E73C7; $base-600: #2B5B97; $base-700: #24446B; $base-800: #1C2E45; $base-900: #131D2A; $base-hover: #5FA2F4; $base-subtle: #E9F1FB;
{
"color": {
"base": {
"value": "#ACCFF9",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D8E9FD",
"type": "color"
},
"200": {
"value": "#B3D3FA",
"type": "color"
},
"300": {
"value": "#7FB2F0",
"type": "color"
},
"400": {
"value": "#5192E1",
"type": "color"
},
"500": {
"value": "#2E73C7",
"type": "color"
},
"600": {
"value": "#2B5B97",
"type": "color"
},
"700": {
"value": "#24446B",
"type": "color"
},
"800": {
"value": "#1C2E45",
"type": "color"
},
"900": {
"value": "#131D2A",
"type": "color"
}
}
}
}