# #3f3fd9

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

## Values

- Hex: `#3f3fd9`
- RGB: rgb(63, 63, 217)
- HSL: hsl(240, 67%, 55%)
- OKLCH: oklch(0.479 0.227 273.7)
- Relative luminance: 0.0962
- Nearest named color: Blurple (#5539cc, Δ 3.984) — https://brandsweets.com/colors/blurple
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/3f3fd9

## Tints & shades

- Tints (toward white): #5050dc, #6666e1, #7777e4, #8888e7, #9d9dec, #aeaeef, #bfbff2, #d0d0f6, #e5e5fa, #f6f6fd
- Shades (toward black): #2a2ad5, #2626c0, #2222aa, #1d1d95, #191980, #141466, #101051, #0c0c3c, #080826, #030311

## Harmonies

- Complementary: #d9d93f
- Analogous: #3f8cd9, #8c3fd9
- Triadic: #d93f3f, #3fd93f
- Split-complementary: #d98c3f, #8cd93f
- Tetradic: #d93f8c, #d9d93f, #3fd98c

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

- On white (#ffffff): 7.18:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.92:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6666e1 (4.55:1); AA: background → #cfcfcf (4.61:1); AAA: text → #8c8ce8 (7.03:1); AAA: background → #ffffff (7.18:1)

## 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/3f3fd9-a19cc4-df994e-251f2d-e9edf1?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: "#3f3fd9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.