# #bb21c0

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

## Values

- Hex: `#bb21c0`
- RGB: rgb(187, 33, 192)
- HSL: hsl(298, 71%, 44%)
- OKLCH: oklch(0.569 0.245 326.7)
- Relative luminance: 0.1546
- Nearest named color: Magentleman (#aa22bb, Δ 3.43) — https://brandsweets.com/colors/magentleman
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/bb21c0

## Tints & shades

- Tints (toward white): #d024d6, #d83bde, #dd51e1, #e26be6, #e681ea, #ea96ed, #f0b1f2, #f4c6f5, #f9e0fa, #fdf6fe
- Shades (toward black): #aa1eae, #991b9d, #88188c, #77157a, #661269, #550f57, #440c46, #330934, #220623, #110311

## Harmonies

- Complementary: #26c021
- Analogous: #6b21c0, #c02176
- Triadic: #c0bb21, #21c0bb
- Split-complementary: #76c021, #21c06b
- Tetradic: #c06b21, #26c021, #2176c0

## Colors that go with #bb21c0

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 #bb21c0 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
- **Dark Cyan** #008b8b [harmony, pool: split] — Dark Cyan is a split-complement of #bb21c0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkcyan
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #bb21c0: 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 #bb21c0: 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 #bb21c0: 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 #bb21c0 in The Ordinary's brand system, as the supporting colour. Seen in: The Ordinary (https://brandsweets.com/colors/brands/theordinary-com). — https://brandsweets.com/colors/crimson
- **Indigo** #4b0082 [pool] — Indigo shows up next to #bb21c0 in Taco Bell's brand system, as the lead colour. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/indigo
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #bb21c0 in Taco Bell's brand system, as the accent. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/lightseagreen

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

- On white (#ffffff): 5.13:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #991b9d (7:1)
- On black (#000000): 4.09:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c723cd (4.55:1); AA: background → #f0f0f0 (4.5:1); AAA: text → #e062e4 (7.04:1)

## Brands using this color

- **Hasbro** — accent #b822c3 (Δ 0.789) — 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/bb21c0-c19fbe-98cb62-2d1f28-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: "#bb21c0" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.