#111ECF 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 #111ECF works with other colors. Named schemes with #111ECF 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 #111ECF 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 #111ECF at work across the surfaces designers actually ship.
:root {
--color-base: #111ECF;
--color-base-rgb: 17 30 207;
--color-base-oklch: oklch(40.7% 0.253 265.9);
--color-50: #F0F1FE;
--color-100: #D8DBFD;
--color-200: #B4B8F9;
--color-300: #8188EE;
--color-400: #535CDF;
--color-500: #303AC5;
--color-600: #2C3396;
--color-700: #252A6A;
--color-800: #1C1F45;
--color-900: #13152A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
medium-blue: {
50: '#F0F1FE',
100: '#D8DBFD',
200: '#B4B8F9',
300: '#8188EE',
400: '#535CDF',
500: '#303AC5',
600: '#2C3396',
700: '#252A6A',
800: '#1C1F45',
900: '#13152A',
},
}
$base: #111ECF; $base-ink: #FFFFFF; $base-50: #F0F1FE; $base-100: #D8DBFD; $base-200: #B4B8F9; $base-300: #8188EE; $base-400: #535CDF; $base-500: #303AC5; $base-600: #2C3396; $base-700: #252A6A; $base-800: #1C1F45; $base-900: #13152A; $base-hover: #0D18A6; $base-subtle: #B8BCF0;
{
"color": {
"base": {
"value": "#111ECF",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F1FE",
"type": "color"
},
"100": {
"value": "#D8DBFD",
"type": "color"
},
"200": {
"value": "#B4B8F9",
"type": "color"
},
"300": {
"value": "#8188EE",
"type": "color"
},
"400": {
"value": "#535CDF",
"type": "color"
},
"500": {
"value": "#303AC5",
"type": "color"
},
"600": {
"value": "#2C3396",
"type": "color"
},
"700": {
"value": "#252A6A",
"type": "color"
},
"800": {
"value": "#1C1F45",
"type": "color"
},
"900": {
"value": "#13152A",
"type": "color"
}
}
}
}