#878DE5 is a mid-toned, cool violet. 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 #878DE5 works with other colors. Named schemes with #878DE5 in its natural role, and a note on why the supporting colors balance it.
Cornflower Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cornflower Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cornflower 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 Cornflower Blue carrying the quiet middle.
Cornflower 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 Cornflower Blue.
Cornflower Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
How #878DE5 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 #878DE5 at work across the surfaces designers actually ship.
:root {
--color-base: #878DE5;
--color-base-rgb: 135 141 229;
--color-base-oklch: oklch(67.6% 0.129 279.4);
--color-50: #F2F3FD;
--color-100: #DDDFF8;
--color-200: #BCC0F0;
--color-300: #8E94E1;
--color-400: #646BCE;
--color-500: #424AB3;
--color-600: #393E89;
--color-700: #2E3161;
--color-800: #212340;
--color-900: #161727;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cornflower-blue: {
50: '#F2F3FD',
100: '#DDDFF8',
200: '#BCC0F0',
300: '#8E94E1',
400: '#646BCE',
500: '#424AB3',
600: '#393E89',
700: '#2E3161',
800: '#212340',
900: '#161727',
},
}
$base: #878DE5; $base-ink: #141310; $base-50: #F2F3FD; $base-100: #DDDFF8; $base-200: #BCC0F0; $base-300: #8E94E1; $base-400: #646BCE; $base-500: #424AB3; $base-600: #393E89; $base-700: #2E3161; $base-800: #212340; $base-900: #161727; $base-hover: #4A54D7; $base-subtle: #DEDFF4;
{
"color": {
"base": {
"value": "#878DE5",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F3FD",
"type": "color"
},
"100": {
"value": "#DDDFF8",
"type": "color"
},
"200": {
"value": "#BCC0F0",
"type": "color"
},
"300": {
"value": "#8E94E1",
"type": "color"
},
"400": {
"value": "#646BCE",
"type": "color"
},
"500": {
"value": "#424AB3",
"type": "color"
},
"600": {
"value": "#393E89",
"type": "color"
},
"700": {
"value": "#2E3161",
"type": "color"
},
"800": {
"value": "#212340",
"type": "color"
},
"900": {
"value": "#161727",
"type": "color"
}
}
}
}