# #b11bbb

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

## Values

- Hex: `#b11bbb`
- RGB: rgb(177, 27, 187)
- HSL: hsl(296, 75%, 42%)
- OKLCH: oklch(0.548 0.241 325.2)
- Relative luminance: 0.1372
- Nearest named color: Magentleman (#aa22bb, Δ 1.41) — https://brandsweets.com/colors/magentleman
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/b11bbb

## Tints & shades

- Tints (toward white): #ca1fd6, #d52de1, #da48e5, #df5ee8, #e479ec, #ea94f0, #eeaaf3, #f3c5f7, #f8dbfa, #fdf6fe
- Shades (toward black): #a018aa, #8f1698, #82148a, #721178, #610f67, #500c55, #3f0a43, #320836, #220524, #110312

## Harmonies

- Complementary: #25bb1b
- Analogous: #601bbb, #bb1b76
- Triadic: #bbb11b, #1bbbb1
- Split-complementary: #76bb1b, #1bbb60
- Tetradic: #bb601b, #25bb1b, #1b76bb

## Colors that go with #b11bbb

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #b11bbb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/forestgreen
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #b11bbb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b11bbb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b11bbb: 3 real palettes, including Hasbro's brand system and Peacock, as the supporting colour. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/denim
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #b11bbb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Crimson** #dc143c [pool] — Crimson is paired with #b11bbb in two real palettes: The Ordinary's brand system and Gemstone, as the supporting colour. Seen in: The Ordinary (https://brandsweets.com/colors/brands/theordinary-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Medium Violet Red** #c71585 [harmony: analogous] — Medium Violet Red is #b11bbb's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. — https://brandsweets.com/colors/mediumvioletred
- **Blue Violet** #8a2be2 [harmony: analogous] — Blue Violet is #b11bbb's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 5.61:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9717a1 (7.11:1)
- On black (#000000): 3.74:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c61ed2 (4.52:1); AA: background → #e8e8e8 (4.58:1); AAA: text → #e063e9 (7.13:1)

## Brands using this color

- **Hasbro** — accent #b822c3 (Δ 1.96) — https://brandsweets.com/colors/brands/hasbro-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/b11bbb-c19fbf-9ccb62-2d1f28-ede9f1?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: "#b11bbb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.