# #b337fb

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

## Values

- Hex: `#b337fb`
- RGB: rgb(179, 55, 251)
- HSL: hsl(278, 96%, 60%)
- OKLCH: oklch(0.613 0.271 308.9)
- Relative luminance: 0.1928
- Nearest named color: Magento (#bf3cff, Δ 2.5) — https://brandsweets.com/colors/magento
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/b337fb

## Tints & shades

- Tints (toward white): #bb4bfb, #c25ffc, #c86efc, #d082fc, #d796fd, #dfaafd, #e6befe, #eccdfe, #f4e1fe, #fbf5ff
- Shades (toward black): #a819fa, #9d05f5, #8a04d7, #7a04be, #6603a0, #530382, #430269, #30024b, #200132, #0d0014

## Harmonies

- Complementary: #7ffb37
- Analogous: #5137fb, #fb37e1
- Triadic: #fbb337, #37fbb3
- Split-complementary: #e1fb37, #37fb51
- Tetradic: #fb5137, #7ffb37, #37e1fb

## Colors that go with #b337fb

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 #b337fb 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 #b337fb: 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
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #b337fb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #b337fb: 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 #b337fb'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 #b337fb: 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 #b337fb 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 #b337fb 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): 4.32:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #af2dfb (4.57:1); AA: background → #0a0a0a (4.58:1); AAA: text → #8704d2 (7.05:1)
- On black (#000000): 4.86:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #c86efc (7.09:1)

## 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/b337fb-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: "#b337fb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.