# #a81aea

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

## Values

- Hex: `#a81aea`
- RGB: rgb(168, 26, 234)
- HSL: hsl(281, 83%, 51%)
- OKLCH: oklch(0.568 0.274 310.4)
- Relative luminance: 0.15
- Nearest named color: Cosmic Heart (#9601f4, Δ 4.351) — https://brandsweets.com/colors/cosmic-heart
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/a81aea

## Tints & shades

- Tints (toward white): #b132ec, #b844ee, #c15cf0, #ca73f2, #d38af4, #da9df6, #e3b4f8, #ebccfa, #f3defc, #fbf6fe
- Shades (toward black): #9914d7, #8c12c4, #7b10ad, #6a0e95, #5d0c83, #4c0a6b, #3c0854, #2b063d, #1e042a, #0d0213

## Harmonies

- Complementary: #5cea1a
- Analogous: #401aea, #ea1ac4
- Triadic: #eaa81a, #1aeaa8
- Split-complementary: #c4ea1a, #1aea40
- Tetradic: #ea401a, #5cea1a, #1ac4ea

## Colors that go with #a81aea

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 #a81aea 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 #a81aea: 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 #a81aea: 3 real palettes, including 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), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim
- **Medium Slate Blue** #7b68ee [harmony, pool: analogous] — Medium Slate Blue is #a81aea'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), ClickUp (https://brandsweets.com/colors/brands/clickup-com). — https://brandsweets.com/colors/mediumslateblue
- **Dark Cyan** #008b8b [harmony, pool: triadic] — Dark Cyan completes a triad with #a81aea — 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
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #a81aea: 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 #a81aea: 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 #a81aea 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): 5.25:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8c12c4 (7:1)
- On black (#000000): 4:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #b132ec (4.54:1); AA: background → #f0f0f0 (4.61:1); AAA: text → #ca73f2 (7.25:1)

## 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/a81aea-ba9fc1-b6cb62-2d1f2c-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: "#a81aea" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.