Packet Interface color palette
Packet Interface is a 4-color palette drawing on blues and neutrals. In OKLCH its lightness runs from 22% (#121A33, very dark) to 95% (#E6EDFF, very light), and its most saturated color, #2D5BFF, is vivid. 3 of its 3 chromatic colors sit on the cool side of the hue wheel. 2 of its 6 color pairs reach the WCAG AA ratio of 4.5:1 for body text. It is tagged tech, monochrome, blue and cold.
- Rich Black #121A33
- Space Cadet #1E2A4D
- Neon Blue #2D5BFF
- Gainsboro #E6EDFF
Color codes
| Color | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|
| Rich Black | #121A33 | rgb(18, 26, 51) | hsl(225, 48%, 14%) | oklch(22.5% 0.05 268.8) |
| Space Cadet | #1E2A4D | rgb(30, 42, 77) | hsl(225, 44%, 21%) | oklch(29.4% 0.066 267.9) |
| Neon Blue | #2D5BFF | rgb(45, 91, 255) | hsl(227, 100%, 59%) | oklch(55.1% 0.247 265.9) |
| Gainsboro | #E6EDFF | rgb(230, 237, 255) | hsl(223, 100%, 95%) | oklch(94.6% 0.025 268.8) |
Accessibility
The best text and background pairs in Packet Interface, by WCAG 2 contrast ratio, with the APCA lightness contrast (Lc) of the text on its background.
| Pair | WCAG 2 | Level | APCA Lc |
|---|---|---|---|
| #E6EDFF on #121A33 | 14.67:1 | AAA | Lc -94.5 |
| #E6EDFF on #1E2A4D | 12.00:1 | AAA | Lc -91.8 |
| #E6EDFF on #2D5BFF | 4.42:1 | AA large | Lc -68.3 |
Color vision
No pair of colors comes within ΔE 0.06 of another under protanopia, deuteranopia, tritanopia or achromatopsia.
Protanopia
Deuteranopia
Tritanopia
Achromatopsia
Use it in code
Install these colors as Tailwind CSS v4 theme colors with shadcn: npx shadcn@latest add https://getcolors.so/r/palette/121a33-1e2a4d-2d5bff-e6edff.json.
Make it your own
Edit the colors, build a full light and dark color system from them, or see them on real UI.