#656FD0 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 sits well as a supporting tone.
Not just a swatch — here's how #656FD0 works with other colors. Named schemes with #656FD0 in its natural role, and a note on why the supporting colors balance it.
Slate Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Slate Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Slate 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.
Slate Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Slate 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 Slate Blue carrying the quiet middle.
How #656FD0 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 #656FD0 at work across the surfaces designers actually ship.
:root {
--color-base: #656FD0;
--color-base-rgb: 101 111 208;
--color-base-oklch: oklch(58.1% 0.147 276.4);
--color-50: #F3F4FC;
--color-100: #DFE1F6;
--color-200: #C1C5EC;
--color-300: #959CDA;
--color-400: #6D76C5;
--color-500: #4C55A9;
--color-600: #404782;
--color-700: #32365D;
--color-800: #24263D;
--color-900: #171926;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
slate-blue: {
50: '#F3F4FC',
100: '#DFE1F6',
200: '#C1C5EC',
300: '#959CDA',
400: '#6D76C5',
500: '#4C55A9',
600: '#404782',
700: '#32365D',
800: '#24263D',
900: '#171926',
},
}
$base: #656FD0; $base-ink: #141310; $base-50: #F3F4FC; $base-100: #DFE1F6; $base-200: #C1C5EC; $base-300: #959CDA; $base-400: #6D76C5; $base-500: #4C55A9; $base-600: #404782; $base-700: #32365D; $base-800: #24263D; $base-900: #171926; $base-hover: #3A48BE; $base-subtle: #D5D8ED;
{
"color": {
"base": {
"value": "#656FD0",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F4FC",
"type": "color"
},
"100": {
"value": "#DFE1F6",
"type": "color"
},
"200": {
"value": "#C1C5EC",
"type": "color"
},
"300": {
"value": "#959CDA",
"type": "color"
},
"400": {
"value": "#6D76C5",
"type": "color"
},
"500": {
"value": "#4C55A9",
"type": "color"
},
"600": {
"value": "#404782",
"type": "color"
},
"700": {
"value": "#32365D",
"type": "color"
},
"800": {
"value": "#24263D",
"type": "color"
},
"900": {
"value": "#171926",
"type": "color"
}
}
}
}