Aerial Blue color palette
Aerial Blue is a 5-color palette drawing on blues and teals and cyans. In OKLCH its lightness runs from 26% (#00273F, dark) to 91% (#B9F0E1, very light), and its most saturated color, #138C9C, is moderately saturated. 5 of its 5 chromatic colors sit on the cool side of the hue wheel. 3 of its 10 color pairs reach the WCAG AA ratio of 4.5:1 for body text. It is tagged summer, cold, gradient, teal, calm and colorblind-friendly.
- Oxford Blue #00273F
- Dark Cyan #00576F
- Teal Green #138C9C
- Muted Teal #69BFBC
- Diamond #B9F0E1
Color codes
| Color | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|
| Oxford Blue | #00273F | rgb(0, 39, 63) | hsl(203, 100%, 12%) | oklch(26.1% 0.061 241.5) |
| Dark Cyan | #00576F | rgb(0, 87, 111) | hsl(193, 100%, 22%) | oklch(42.5% 0.08 224.6) |
| Teal Green | #138C9C | rgb(19, 140, 156) | hsl(187, 78%, 34%) | oklch(58.8% 0.098 209.4) |
| Muted Teal | #69BFBC | rgb(105, 191, 188) | hsl(178, 40%, 58%) | oklch(75% 0.084 192.6) |
| Diamond | #B9F0E1 | rgb(185, 240, 225) | hsl(164, 65%, 83%) | oklch(91.3% 0.06 176.3) |
Accessibility
The best text and background pairs in Aerial Blue, by WCAG 2 contrast ratio, with the APCA lightness contrast (Lc) of the text on its background.
| Pair | WCAG 2 | Level | APCA Lc |
|---|---|---|---|
| #B9F0E1 on #00273F | 12.20:1 | AAA | Lc -87.7 |
| #00273F on #69BFBC | 7.18:1 | AAA | Lc 57.9 |
| #B9F0E1 on #00576F | 6.41:1 | AA | Lc -75.2 |
Color vision
No pair of colors comes within ΔE 0.06 of another under protanopia, deuteranopia, tritanopia or achromatopsia. It is tagged colorblind-friendly: every pair stays at least ΔE 0.14 apart.
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/00273f-00576f-138c9c-69bfbc-b9f0e1.json.
Make it your own
Edit the colors, build a full light and dark color system from them, or see them on real UI.