# #0f5ea9

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

## Values

- Hex: `#0f5ea9`
- RGB: rgb(15, 94, 169)
- HSL: hsl(209, 84%, 36%)
- OKLCH: oklch(0.48 0.139 252.9)
- Relative luminance: 0.1097
- Nearest named color: Blasphemous Blue (#3356aa, Δ 2.935) — https://brandsweets.com/colors/blasphemous-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0f5ea9

## Tints & shades

- Tints (toward white): #116ec5, #147ee1, #2c8fed, #489eef, #64adf2, #80bcf4, #9ccbf6, #bddcf9, #d9ebfc, #f6fafe
- Shades (toward black): #0d579b, #0c4f8d, #0b447a, #093c6c, #08345e, #072d50, #062542, #041a2f, #031221, #020a13

## Harmonies

- Complementary: #a9590f
- Analogous: #0fa9a6, #0f11a9
- Triadic: #a90f5e, #5ea90f
- Split-complementary: #a90f11, #a9a60f
- Tetradic: #a60fa9, #a9590f, #11a90f

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

- On white (#ffffff): 6.57:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0e59a0 (7.11:1)
- On black (#000000): 3.19:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1276d3 (4.56:1); AA: background → #d6d6d6 (4.52:1); AAA: text → #3f99ee (7:1)

## Brands using this color

- **American Express** — secondary #005dae (Δ 0.973) — https://brandsweets.com/colors/brands/americanexpress-com

## 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/0f5ea9-9cacc4-df4e4e-1f212d-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: "#0f5ea9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.