# #911bf8

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

## Values

- Hex: `#911bf8`
- RGB: rgb(145, 27, 248)
- HSL: hsl(272, 94%, 54%)
- OKLCH: oklch(0.551 0.281 300.1)
- Relative luminance: 0.1358
- Nearest named color: Cosmic Heart (#9601f4, Δ 1.657) — https://brandsweets.com/colors/cosmic-heart
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/911bf8

## Tints & shades

- Tints (toward white): #9b2ff9, #a748f9, #b05cfa, #bc74fb, #c688fb, #cf9cfc, #dbb5fd, #e5c9fd, #f1e1fe, #faf5ff
- Shades (toward black): #8507f2, #7707da, #6a06c1, #5c05a8, #4f048f, #410477, #33035e, #260245, #18012d, #0b0114

## Harmonies

- Complementary: #82f81b
- Analogous: #231bf8, #f81bf1
- Triadic: #f8911b, #1bf891
- Split-complementary: #f1f81b, #1bf823
- Tetradic: #f8231b, #82f81b, #1bf1f8

## Colors that go with #911bf8

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

- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #911bf8 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/olive
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #911bf8: 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
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #911bf8's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #911bf8 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/teal
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #911bf8: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #911bf8: two real palettes: Linkedin's brand system and Hasbro's brand system, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #911bf8 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
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #911bf8 in two real palettes: ClickUp's brand system and monday.com's brand system, as the supporting colour. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), monday.com (https://brandsweets.com/colors/brands/monday-com). — https://brandsweets.com/colors/mediumslateblue

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

- On white (#ffffff): 5.65:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7a07df (7.18:1)
- On black (#000000): 3.72:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a23ef9 (4.59:1); AA: background → #e6e6e6 (4.53:1); AAA: text → #bc74fb (7.03:1)

## Brands using this color

- **Taco Bell** — secondary #9a23f8 (Δ 1.97) — https://brandsweets.com/colors/brands/tacobell-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/911bf8-b69cc4-c5cb62-2d1f2d-eae9f1?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: "#911bf8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.