# #b531bf

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

## Values

- Hex: `#b531bf`
- RGB: rgb(181, 49, 191)
- HSL: hsl(296, 59%, 47%)
- OKLCH: oklch(0.57 0.228 324.9)
- Relative luminance: 0.1578
- Nearest named color: Magentleman (#aa22bb, Δ 3.08) — https://brandsweets.com/colors/magentleman
- Moods: cool, modern
- Page: https://brandsweets.com/colors/b531bf

## Tints & shades

- Tints (toward white): #c33ccd, #c951d2, #d065d7, #d679dc, #dd92e3, #e4a6e8, #eabaed, #f0cef2, #f6e3f8, #fdf7fd
- Shades (toward black): #a62dae, #92289a, #83248a, #741f7a, #641b69, #511655, #421245, #320e35, #1f0820, #0f0410

## Harmonies

- Complementary: #3bbf31
- Analogous: #6e31bf, #bf3181
- Triadic: #bfb531, #31bfb5
- Split-complementary: #81bf31, #31bf6e
- Tetradic: #bf6e31, #3bbf31, #3181bf

## Colors that go with #b531bf

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 #b531bf 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 #b531bf: 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 #b531bf: 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 #b531bf: 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 #b531bf: 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 #b531bf 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
- **Orange** #ffa500 [pool] — Two real palettes: Rippling's brand system and Sunset Boulevard put Orange beside #b531bf, as the lead colour. Seen in: Rippling (https://brandsweets.com/colors/brands/rippling-com), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard). — https://brandsweets.com/colors/orange
- **Indigo** #4b0082 [pool] — Indigo shows up next to #b531bf 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

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

- On white (#ffffff): 5.05:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #92289a (7.02:1)
- On black (#000000): 4.16:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c134cb (4.62:1); AA: background → #f2f2f2 (4.51:1); AAA: text → #d371da (7.14:1)

## Brands using this color

- **Hasbro** — accent #b822c3 (Δ 1.748) — https://brandsweets.com/colors/brands/hasbro-com

## 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/b531bf-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: "#b531bf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.