#3342EA is a mid-toned, cool violet. On the Color Lab it reads clean and engineered, bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #3342EA works with other colors. Named schemes with #3342EA in its natural role, and a note on why the supporting colors balance it.
Neon 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 Neon Blue.
Neon Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Neon Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Neon 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 Neon Blue carrying the quiet middle.
Neon Blue glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #3342EA 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 #3342EA at work across the surfaces designers actually ship.
:root {
--color-base: #3342EA;
--color-base-rgb: 51 66 234;
--color-base-oklch: oklch(49.4% 0.247 269.7);
--color-50: #F1F2FE;
--color-100: #D9DCFC;
--color-200: #B5BBF7;
--color-300: #838CEC;
--color-400: #5661DC;
--color-500: #333FC2;
--color-600: #2E3793;
--color-700: #272C68;
--color-800: #1D2044;
--color-900: #14152A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
neon-blue: {
50: '#F1F2FE',
100: '#D9DCFC',
200: '#B5BBF7',
300: '#838CEC',
400: '#5661DC',
500: '#333FC2',
600: '#2E3793',
700: '#272C68',
800: '#1D2044',
900: '#14152A',
},
}
$base: #3342EA; $base-ink: #FFFFFF; $base-50: #F1F2FE; $base-100: #D9DCFC; $base-200: #B5BBF7; $base-300: #838CEC; $base-400: #5661DC; $base-500: #333FC2; $base-600: #2E3793; $base-700: #272C68; $base-800: #1D2044; $base-900: #14152A; $base-hover: #1625CF; $base-subtle: #C9CCF2;
{
"color": {
"base": {
"value": "#3342EA",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F2FE",
"type": "color"
},
"100": {
"value": "#D9DCFC",
"type": "color"
},
"200": {
"value": "#B5BBF7",
"type": "color"
},
"300": {
"value": "#838CEC",
"type": "color"
},
"400": {
"value": "#5661DC",
"type": "color"
},
"500": {
"value": "#333FC2",
"type": "color"
},
"600": {
"value": "#2E3793",
"type": "color"
},
"700": {
"value": "#272C68",
"type": "color"
},
"800": {
"value": "#1D2044",
"type": "color"
},
"900": {
"value": "#14152A",
"type": "color"
}
}
}
}