# #b400eb

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

## Values

- Hex: `#b400eb`
- RGB: rgb(180, 0, 235)
- HSL: hsl(286, 100%, 46%)
- OKLCH: oklch(0.579 0.286 314.2)
- Relative luminance: 0.157
- Nearest named color: Ferocious Fuchsia (#aa00cc, Δ 4.998) — https://brandsweets.com/colors/ferocious-fuchsia
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/b400eb

## Tints & shades

- Tints (toward white): #c505ff, #cb1fff, #d23dff, #d857ff, #de70ff, #e48aff, #eaa3ff, #f1c2ff, #f7dbff, #fdf5ff
- Shades (toward black): #a400d6, #9500c2, #8100a8, #710094, #620080, #52006b, #420057, #2f003d, #1f0029, #100014

## Harmonies

- Complementary: #37eb00
- Analogous: #3f00eb, #eb00ac
- Triadic: #ebb400, #00ebb4
- Split-complementary: #aceb00, #00eb3f
- Tetradic: #eb3f00, #37eb00, #00aceb

## Colors that go with #b400eb

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 #b400eb 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 #b400eb: 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 #b400eb: 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
- **Dark Cyan** #008b8b [harmony, pool: triadic] — Dark Cyan completes a triad with #b400eb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkcyan
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #b400eb: 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 #b400eb: 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 #b400eb'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
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #b400eb 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

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

- On white (#ffffff): 5.07:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9100bd (7.15:1)
- On black (#000000): 4.14:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c000fa (4.62:1); AA: background → #f2f2f2 (4.53:1); AAA: text → #da61ff (7.13:1)

## 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/b400eb-bd9fc1-adcb62-2d1f2a-ece9f1?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: "#b400eb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.