#1C19C0 is a deep, cool violet. On the Color Lab it reads clean and engineered, bold and ownable. It sits well as a supporting tone.
Not just a swatch — here's how #1C19C0 works with other colors. Named schemes with #1C19C0 in its natural role, and a note on why the supporting colors balance it.
Medium 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 Medium Blue.
Medium Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Medium Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Medium 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 Blue carrying the quiet middle.
Medium Blue glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #1C19C0 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 #1C19C0 at work across the surfaces designers actually ship.
:root {
--color-base: #1C19C0;
--color-base-rgb: 28 25 192;
--color-base-oklch: oklch(38.8% 0.238 268.3);
--color-50: #F1F1FE;
--color-100: #DBDAFB;
--color-200: #B8B7F5;
--color-300: #8886E9;
--color-400: #5B59D9;
--color-500: #3937BE;
--color-600: #333191;
--color-700: #292866;
--color-800: #1F1E43;
--color-900: #151429;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
medium-blue: {
50: '#F1F1FE',
100: '#DBDAFB',
200: '#B8B7F5',
300: '#8886E9',
400: '#5B59D9',
500: '#3937BE',
600: '#333191',
700: '#292866',
800: '#1F1E43',
900: '#151429',
},
}
$base: #1C19C0; $base-ink: #FFFFFF; $base-50: #F1F1FE; $base-100: #DBDAFB; $base-200: #B8B7F5; $base-300: #8886E9; $base-400: #5B59D9; $base-500: #3937BE; $base-600: #333191; $base-700: #292866; $base-800: #1F1E43; $base-900: #151429; $base-hover: #16149B; $base-subtle: #BBBAED;
{
"color": {
"base": {
"value": "#1C19C0",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F1FE",
"type": "color"
},
"100": {
"value": "#DBDAFB",
"type": "color"
},
"200": {
"value": "#B8B7F5",
"type": "color"
},
"300": {
"value": "#8886E9",
"type": "color"
},
"400": {
"value": "#5B59D9",
"type": "color"
},
"500": {
"value": "#3937BE",
"type": "color"
},
"600": {
"value": "#333191",
"type": "color"
},
"700": {
"value": "#292866",
"type": "color"
},
"800": {
"value": "#1F1E43",
"type": "color"
},
"900": {
"value": "#151429",
"type": "color"
}
}
}
}