# #43579d

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

## Values

- Hex: `#43579d`
- RGB: rgb(67, 87, 157)
- HSL: hsl(227, 40%, 44%)
- OKLCH: oklch(0.476 0.115 269.6)
- Relative luminance: 0.1044
- Nearest named color: Blasphemous Blue (#3356aa, Δ 2.783) — https://brandsweets.com/colors/blasphemous-blue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/43579d

## Tints & shades

- Tints (toward white): #4b61af, #5e72ba, #7082c2, #8695cb, #97a4d3, #a9b4da, #bfc7e3, #d1d6eb, #e6e9f4, #f8f9fc
- Shades (toward black): #3d4f8f, #374781, #313f72, #2b3764, #252f56, #1f2747, #182039, #12182b, #0c101d, #06080e

## Harmonies

- Complementary: #9d8a43
- Analogous: #43849d, #5d439d
- Triadic: #9d4357, #579d43
- Split-complementary: #9d5d43, #849d43
- Tetradic: #9d4384, #9d8a43, #439d5d

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

- On white (#ffffff): 6.8:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #42559a (7.01:1)
- On black (#000000): 3.09:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5e72ba (4.59:1); AA: background → #d4d4d4 (4.59:1); AAA: text → #8695cb (7.18:1)

## Fonts for this mood

- 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/43579d-9ca0c4-df7a4e-221f2d-e9eff1?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: "#43579d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.