# #a11bc5

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

## Values

- Hex: `#a11bc5`
- RGB: rgb(161, 27, 197)
- HSL: hsl(287, 76%, 44%)
- OKLCH: oklch(0.531 0.243 317.2)
- Relative luminance: 0.1239
- Nearest named color: Nebula (#a104c3, Δ 1.295) — https://brandsweets.com/colors/nebula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/a11bc5

## Tints & shades

- Tints (toward white): #b31edc, #be35e3, #c54be7, #ce66ea, #d57ded, #dc93f0, #e5aef4, #ecc5f7, #f5e0fb, #fcf6fe
- Shades (toward black): #9218b4, #8316a2, #751490, #66117e, #580f6c, #490c5a, #3a0a48, #2c0736, #1d0524, #0f0212

## Harmonies

- Complementary: #40c51b
- Analogous: #4b1bc5, #c51b95
- Triadic: #c5a11b, #1bc5a1
- Split-complementary: #95c51b, #1bc54b
- Tetradic: #c54b1b, #40c51b, #1b95c5

## Colors that go with #a11bc5

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

- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #a11bc5 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
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #a11bc5: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #a11bc5: 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 #a11bc5: 3 real palettes, including Peacock and Hasbro's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/denim
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #a11bc5 — 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
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #a11bc5: 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 #a11bc5 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
- **Sienna** #a0522d [harmony: triadic] — Sienna completes a triad with #a11bc5 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/sienna

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

- On white (#ffffff): 6.04:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8e18af (7.24:1)
- On black (#000000): 3.48:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #bb2ce2 (4.57:1); AA: background → #e0e0e0 (4.57:1); AAA: text → #d16feb (7.18:1)

## 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/a11bc5-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: "#a11bc5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.