# #911bb1

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

## Values

- Hex: `#911bb1`
- RGB: rgb(145, 27, 177)
- HSL: hsl(287, 74%, 40%)
- OKLCH: oklch(0.493 0.222 317.3)
- Relative luminance: 0.0998
- Nearest named color: Nebula (#a104c3, Δ 4.1) — https://brandsweets.com/colors/nebula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/911bb1

## Tints & shades

- Tints (toward white): #a61ecc, #b82adf, #bf40e2, #c85be6, #d175ea, #da90ee, #e3abf2, #eac1f6, #f3dcfa, #fcf6fe
- Shades (toward black): #8218a0, #771692, #691381, #5e1173, #500f62, #410c50, #360a43, #280731, #1d0523, #0e0312

## Harmonies

- Complementary: #3bb11b
- Analogous: #451bb1, #b11b87
- Triadic: #b1911b, #1bb191
- Split-complementary: #87b11b, #1bb145
- Tetradic: #b1451b, #3bb11b, #1b87b1

## Colors that go with #911bb1

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

- **Denim** #1560bd [pool] — Designers have shipped Denim with #911bb1: 4 real palettes, including Peacock and Linkedin's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Slack (https://brandsweets.com/colors/brands/slack-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #911bb1 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #911bb1: 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
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #911bb1 — 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). — https://brandsweets.com/colors/teal
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #911bb1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #911bb1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #911bb1 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
- **Taupe** #483c32 [pool] — Taupe is paired with #911bb1 in two real palettes: Datadog's brand system and Superhuman's brand system, as that palette's text colour. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 7.01:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 3:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b92ee0 (4.53:1); AA: background → #d1d1d1 (4.59:1); AAA: text → #d071ea (7.23:1); AAA: background → #ffffff (7.01:1)

## 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/911bb1-bd9fc1-abcb62-2d1f2a-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: "#911bb1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.