#698FB4 is a mid-toned, cool indigo. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #698FB4 works with other colors. Named schemes with #698FB4 in its natural role, and a note on why the supporting colors balance it.
Air Force Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Air Force Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Air Force 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.
Air Force 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 Air Force Blue.
Air Force 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 Air Force Blue carrying the quiet middle.
How #698FB4 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 #698FB4 at work across the surfaces designers actually ship.
:root {
--color-base: #698FB4;
--color-base-rgb: 105 143 180;
--color-base-oklch: oklch(63.6% 0.070 248.3);
--color-50: #F5F7FA;
--color-100: #E3EBF2;
--color-200: #C9D6E4;
--color-300: #A2B8CD;
--color-400: #7E99B4;
--color-500: #5D7A97;
--color-600: #4C6175;
--color-700: #3A4755;
--color-800: #293038;
--color-900: #1A1F23;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
air-force-blue: {
50: '#F5F7FA',
100: '#E3EBF2',
200: '#C9D6E4',
300: '#A2B8CD',
400: '#7E99B4',
500: '#5D7A97',
600: '#4C6175',
700: '#3A4755',
800: '#293038',
900: '#1A1F23',
},
}
$base: #698FB4; $base-ink: #141310; $base-50: #F5F7FA; $base-100: #E3EBF2; $base-200: #C9D6E4; $base-300: #A2B8CD; $base-400: #7E99B4; $base-500: #5D7A97; $base-600: #4C6175; $base-700: #3A4755; $base-800: #293038; $base-900: #1A1F23; $base-hover: #4D7298; $base-subtle: #D5DDE6;
{
"color": {
"base": {
"value": "#698FB4",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F7FA",
"type": "color"
},
"100": {
"value": "#E3EBF2",
"type": "color"
},
"200": {
"value": "#C9D6E4",
"type": "color"
},
"300": {
"value": "#A2B8CD",
"type": "color"
},
"400": {
"value": "#7E99B4",
"type": "color"
},
"500": {
"value": "#5D7A97",
"type": "color"
},
"600": {
"value": "#4C6175",
"type": "color"
},
"700": {
"value": "#3A4755",
"type": "color"
},
"800": {
"value": "#293038",
"type": "color"
},
"900": {
"value": "#1A1F23",
"type": "color"
}
}
}
}