#413E79 is a mid-toned, cool purple. On the Color Lab it reads clean and engineered, quietly premium. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #413E79 works with other colors. Named schemes with #413E79 in its natural role, and a note on why the supporting colors balance it.
Dark Slate Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Dark 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.
Dark 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.
Dark Slate Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Dark 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 Dark Slate Blue carrying the quiet middle.
How #413E79 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 #413E79 at work across the surfaces designers actually ship.
:root {
--color-base: #413E79;
--color-base-rgb: 65 62 121;
--color-base-oklch: oklch(39.7% 0.097 283.3);
--color-50: #F5F5FA;
--color-100: #E4E4F2;
--color-200: #CAC9E3;
--color-300: #A5A3CC;
--color-400: #817FB3;
--color-500: #615E97;
--color-600: #4F4D75;
--color-700: #3C3A54;
--color-800: #2A2938;
--color-900: #1B1A23;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-blue: {
50: '#F5F5FA',
100: '#E4E4F2',
200: '#CAC9E3',
300: '#A5A3CC',
400: '#817FB3',
500: '#615E97',
600: '#4F4D75',
700: '#3C3A54',
800: '#2A2938',
900: '#1B1A23',
},
}
$base: #413E79; $base-ink: #FFFFFF; $base-50: #F5F5FA; $base-100: #E4E4F2; $base-200: #CAC9E3; $base-300: #A5A3CC; $base-400: #817FB3; $base-500: #615E97; $base-600: #4F4D75; $base-700: #3C3A54; $base-800: #2A2938; $base-900: #1B1A23; $base-hover: #343261; $base-subtle: #C3C2DA;
{
"color": {
"base": {
"value": "#413E79",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F5FA",
"type": "color"
},
"100": {
"value": "#E4E4F2",
"type": "color"
},
"200": {
"value": "#CAC9E3",
"type": "color"
},
"300": {
"value": "#A5A3CC",
"type": "color"
},
"400": {
"value": "#817FB3",
"type": "color"
},
"500": {
"value": "#615E97",
"type": "color"
},
"600": {
"value": "#4F4D75",
"type": "color"
},
"700": {
"value": "#3C3A54",
"type": "color"
},
"800": {
"value": "#2A2938",
"type": "color"
},
"900": {
"value": "#1B1A23",
"type": "color"
}
}
}
}