# #b643f9

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

## Values

- Hex: `#b643f9`
- RGB: rgb(182, 67, 249)
- HSL: hsl(278, 94%, 62%)
- OKLCH: oklch(0.625 0.259 309.6)
- Relative luminance: 0.208
- Nearest named color: Magento (#bf3cff, Δ 1.938) — https://brandsweets.com/colors/magento
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/b643f9

## Tints & shades

- Tints (toward white): #be57fa, #c466fa, #cb79fb, #d188fb, #d99cfc, #e0b0fd, #e6bffd, #eed2fe, #f4e1fe, #fbf5ff
- Shades (toward black): #ab25f8, #9f08f7, #9007df, #7c06c1, #6905a3, #560486, #430368, #33024f, #200231, #0d0114

## Harmonies

- Complementary: #86f943
- Analogous: #5b43f9, #f943e1
- Triadic: #f9b643, #43f9b6
- Split-complementary: #e1f943, #43f95b
- Tetradic: #f95b43, #86f943, #43e1f9

## Colors that go with #b643f9

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

- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #b643f9 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/olivedrab
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b643f9: 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
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #b643f9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #b643f9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Medium Slate Blue** #7b68ee [harmony, pool: analogous] — Medium Slate Blue is #b643f9's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: monday.com (https://brandsweets.com/colors/brands/monday-com). — https://brandsweets.com/colors/mediumslateblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b643f9: two real palettes: Hasbro's brand system and Linkedin's brand system, as the supporting colour. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/denim
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #b643f9 in two real palettes: Taco Bell's brand system and Circuit, as the accent. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com), Circuit (https://brandsweets.com/palettes/technical#circuit). — https://brandsweets.com/colors/lightseagreen
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #b643f9 in two real palettes: Loom's brand system and Yahoo's brand system, as the lead colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Yahoo (https://brandsweets.com/colors/brands/yahoo-com). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 4.07:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #af2ff9 (4.57:1); AA: background → #141414 (4.53:1); AAA: text → #8606d0 (7.12:1)
- On black (#000000): 5.16:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #c870fb (7.17:1)

## 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/b643f9-ba9cc4-bbcb62-2d1f2c-ebe9f1?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: "#b643f9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.