# #66b3ff

A color — cool, vivid, light, technical, modern, clean. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#66b3ff`
- RGB: rgb(102, 179, 255)
- HSL: hsl(210, 100%, 70%)
- OKLCH: oklch(0.749 0.134 249.8)
- Relative luminance: 0.4228
- Nearest named color: Fennel Flower (#77aaff, Δ 2.687) — https://brandsweets.com/colors/fennel-flower
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/66b3ff

## Tints & shades

- Tints (toward white): #75baff, #85c2ff, #8fc7ff, #9ecfff, #add6ff, #bddeff, #cce6ff, #d6ebff, #e5f2ff, #f5faff
- Shades (toward black): #42a1ff, #2491ff, #0080ff, #0070e0, #005ebd, #004d99, #003d7a, #002b57, #001c38, #000a14

## Harmonies

- Complementary: #ffb366
- Analogous: #66ffff, #6666ff
- Triadic: #ff66b3, #b3ff66
- Split-complementary: #ff6666, #ffff66
- Tetradic: #ff66ff, #ffb366, #66ff66

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 2.22:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0073e6 (4.57:1); AA: background → #424242 (4.53:1); AAA: text → #0057ad (7.08:1); AAA: background → #212121 (7.25:1)
- On black (#000000): 9.46:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Remix** — secondary #59b0ff (Δ 1.465) — https://brandsweets.com/colors/brands/remix-run
- **Mistral AI** — primary #54b4fc (Δ 1.556) — https://brandsweets.com/colors/brands/mistral-ai
- **Calendly** — primary #64acfb (Δ 1.893) — https://brandsweets.com/colors/brands/calendly-com
- **Astro** — secondary #54b9ff (Δ 1.962) — https://brandsweets.com/colors/brands/astro-build

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/66b3ff-9cabc4-df514e-1f202d-e9f1f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#66b3ff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.