# Curiosity blue gradient

Curiosity blue is a blue gradient from uiGradients (MIT), rendered in OKLab.

### Curiosity blue

- Slug: `curiosity-blue` · Page: https://brandsweets.com/gradients/curiosity-blue
- Stops: #525252, #3d72b4 · angle 90° · source uigradients
- Families: blue · Moods: cool
- CSS: `linear-gradient(90deg in oklab, #525252 0%, #3d72b4 100%)`
- Tailwind: `bg-linear-to-r/oklab from-[#525252] to-[#3d72b4]`
- Contrast (worst point): white 4.92:1 AA · black 2.69:1 fail · banding high
- Maker: https://brandsweets.com/gradients/new/v1.525252-3d72b4?a=90
- Colors: https://brandsweets.com/colors/525252, https://brandsweets.com/colors/3d72b4

## The same stops in other spaces

- sRGB (the source's own look): `linear-gradient(90deg in srgb, #525252 0%, #3d72b4 100%)`
- OKLCH shorter hue: `linear-gradient(90deg in oklch shorter hue, #525252 0%, #3d72b4 100%)`

Family pages: https://brandsweets.com/gradients/blue

## Gradient maker

Every maker URL is the gradient's state: `/gradients/new/v1.<hex>-<hex>[_pos]?a=135&in=oklch&hue=shorter&e=soft&g=8`. Hand one to a human, let them refine, and read the link they return.

## Connect an agent

Point any MCP client at the BrandSweets gradients endpoint for the same engine and corpus:

- Endpoint: https://mcp.brandsweets.com/gradients/mcp
- Tools: `make_gradient` (2–5 colours → CSS with the interpolation space, Tailwind v4, SVG, PNG URL, DTCG token + the contrast/banding/gamut report), `brand_gradients` (brand slug or palette → brand gradient, hero, button, variants).
- Resource: `gradients://corpus` — the whole bundled corpus as JSON.