# #4399ef

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

## Values

- Hex: `#4399ef`
- RGB: rgb(67, 153, 239)
- HSL: hsl(210, 84%, 60%)
- OKLCH: oklch(0.671 0.152 251.2)
- Relative luminance: 0.3021
- Nearest named color: Fresh Blue of Bel Air (#069af3, Δ 2.313) — https://brandsweets.com/colors/fresh-blue-of-bel-air
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/4399ef

## Tints & shades

- Tints (toward white): #56a3f0, #69adf2, #77b5f3, #8abff5, #9cc9f6, #afd4f8, #c2defa, #d0e6fb, #e3f0fd, #f6fafe
- Shades (toward black): #278aec, #147de6, #126eca, #1061b2, #0d5296, #0b427a, #093663, #062646, #041a2f, #020a13

## Harmonies

- Complementary: #ef9943
- Analogous: #43efef, #4343ef
- Triadic: #ef4399, #99ef43
- Split-complementary: #ef4343, #efef43
- Tetradic: #ef43ef, #ef9943, #43ef43

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

- On white (#ffffff): 2.98:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1375d8 (4.6:1); AA: background → #2e2e2e (4.55:1); AAA: text → #0e59a4 (7.04:1); AAA: background → #000000 (7.04:1)
- On black (#000000): 7.04:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4399ef-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: "#4399ef" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.