#0641CA 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 #0641CA works with other colors. Named schemes with #0641CA in its natural role, and a note on why the supporting colors balance it.
Sapphire 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 Sapphire Blue.
Sapphire Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Sapphire Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Sapphire 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 Sapphire Blue carrying the quiet middle.
Sapphire Blue glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #0641CA 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 #0641CA at work across the surfaces designers actually ship.
:root {
--color-base: #0641CA;
--color-base-rgb: 6 65 202;
--color-base-oklch: oklch(44.7% 0.218 263.2);
--color-50: #F0F5FE;
--color-100: #D8E3FD;
--color-200: #B1C7FC;
--color-300: #7B9FF4;
--color-400: #4B7AE7;
--color-500: #2859CD;
--color-600: #26499B;
--color-700: #21386D;
--color-800: #1A2747;
--color-900: #121A2B;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
sapphire-blue: {
50: '#F0F5FE',
100: '#D8E3FD',
200: '#B1C7FC',
300: '#7B9FF4',
400: '#4B7AE7',
500: '#2859CD',
600: '#26499B',
700: '#21386D',
800: '#1A2747',
900: '#121A2B',
},
}
$base: #0641CA; $base-ink: #FFFFFF; $base-50: #F0F5FE; $base-100: #D8E3FD; $base-200: #B1C7FC; $base-300: #7B9FF4; $base-400: #4B7AE7; $base-500: #2859CD; $base-600: #26499B; $base-700: #21386D; $base-800: #1A2747; $base-900: #121A2B; $base-hover: #0534A2; $base-subtle: #B2C5F2;
{
"color": {
"base": {
"value": "#0641CA",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F5FE",
"type": "color"
},
"100": {
"value": "#D8E3FD",
"type": "color"
},
"200": {
"value": "#B1C7FC",
"type": "color"
},
"300": {
"value": "#7B9FF4",
"type": "color"
},
"400": {
"value": "#4B7AE7",
"type": "color"
},
"500": {
"value": "#2859CD",
"type": "color"
},
"600": {
"value": "#26499B",
"type": "color"
},
"700": {
"value": "#21386D",
"type": "color"
},
"800": {
"value": "#1A2747",
"type": "color"
},
"900": {
"value": "#121A2B",
"type": "color"
}
}
}
}