#1F1F70 is a deep, cool violet. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #1F1F70 works with other colors. Named schemes with #1F1F70 in its natural role, and a note on why the supporting colors balance it.
Midnight Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.
Midnight Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Midnight Blue.
Midnight Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Midnight 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.
Midnight 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 Midnight Blue carrying the quiet middle.
How #1F1F70 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 #1F1F70 at work across the surfaces designers actually ship.
:root {
--color-base: #1F1F70;
--color-base-rgb: 31 31 112;
--color-base-oklch: oklch(30.2% 0.135 274.7);
--color-50: #F3F3FC;
--color-100: #DEDEF7;
--color-200: #BFBFED;
--color-300: #9393DC;
--color-400: #6A6AC8;
--color-500: #4848AD;
--color-600: #3D3D84;
--color-700: #30305E;
--color-800: #23233E;
--color-900: #171726;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
midnight-blue: {
50: '#F3F3FC',
100: '#DEDEF7',
200: '#BFBFED',
300: '#9393DC',
400: '#6A6AC8',
500: '#4848AD',
600: '#3D3D84',
700: '#30305E',
800: '#23233E',
900: '#171726',
},
}
$base: #1F1F70; $base-ink: #FFFFFF; $base-50: #F3F3FC; $base-100: #DEDEF7; $base-200: #BFBFED; $base-300: #9393DC; $base-400: #6A6AC8; $base-500: #4848AD; $base-600: #3D3D84; $base-700: #30305E; $base-800: #23233E; $base-900: #171726; $base-hover: #19195A; $base-subtle: #B0B0E0;
{
"color": {
"base": {
"value": "#1F1F70",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F3FC",
"type": "color"
},
"100": {
"value": "#DEDEF7",
"type": "color"
},
"200": {
"value": "#BFBFED",
"type": "color"
},
"300": {
"value": "#9393DC",
"type": "color"
},
"400": {
"value": "#6A6AC8",
"type": "color"
},
"500": {
"value": "#4848AD",
"type": "color"
},
"600": {
"value": "#3D3D84",
"type": "color"
},
"700": {
"value": "#30305E",
"type": "color"
},
"800": {
"value": "#23233E",
"type": "color"
},
"900": {
"value": "#171726",
"type": "color"
}
}
}
}