#676BDF 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 #676BDF works with other colors. Named schemes with #676BDF in its natural role, and a note on why the supporting colors balance it.
Medium Slate Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Medium 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.
Medium 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.
Medium Slate Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Medium 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 Medium Slate Blue carrying the quiet middle.
How #676BDF 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 #676BDF at work across the surfaces designers actually ship.
:root {
--color-base: #676BDF;
--color-base-rgb: 103 107 223;
--color-base-oklch: oklch(58.4% 0.173 278.1);
--color-50: #F2F2FD;
--color-100: #DDDEF9;
--color-200: #BCBEF1;
--color-300: #8E90E2;
--color-400: #6367CF;
--color-500: #4145B4;
--color-600: #383B89;
--color-700: #2D2F62;
--color-800: #212240;
--color-900: #161627;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
medium-slate-blue: {
50: '#F2F2FD',
100: '#DDDEF9',
200: '#BCBEF1',
300: '#8E90E2',
400: '#6367CF',
500: '#4145B4',
600: '#383B89',
700: '#2D2F62',
800: '#212240',
900: '#161627',
},
}
$base: #676BDF; $base-ink: #141310; $base-50: #F2F2FD; $base-100: #DDDEF9; $base-200: #BCBEF1; $base-300: #8E90E2; $base-400: #6367CF; $base-500: #4145B4; $base-600: #383B89; $base-700: #2D2F62; $base-800: #212240; $base-900: #161627; $base-hover: #3237D3; $base-subtle: #D6D7F1;
{
"color": {
"base": {
"value": "#676BDF",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F2FD",
"type": "color"
},
"100": {
"value": "#DDDEF9",
"type": "color"
},
"200": {
"value": "#BCBEF1",
"type": "color"
},
"300": {
"value": "#8E90E2",
"type": "color"
},
"400": {
"value": "#6367CF",
"type": "color"
},
"500": {
"value": "#4145B4",
"type": "color"
},
"600": {
"value": "#383B89",
"type": "color"
},
"700": {
"value": "#2D2F62",
"type": "color"
},
"800": {
"value": "#212240",
"type": "color"
},
"900": {
"value": "#161627",
"type": "color"
}
}
}
}