# #8661ff

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

## Values

- Hex: `#8661ff`
- RGB: rgb(134, 97, 255)
- HSL: hsl(254, 100%, 69%)
- OKLCH: oklch(0.615 0.223 288.9)
- Relative luminance: 0.2084
- Nearest named color: mediumslateblue (#7b68ee, Δ 3.354) — https://brandsweets.com/colors/mediumslateblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/8661ff

## Tints & shades

- Tints (toward white): #9270ff, #9d80ff, #a98fff, #b59eff, #c0adff, #c8b8ff, #d4c7ff, #e0d6ff, #ebe5ff, #f7f5ff
- Shades (toward black): #6e42ff, #531fff, #3c00ff, #3300db, #2c00bd, #240099, #1d007a, #140057, #0d0038, #050014

## Harmonies

- Complementary: #daff61
- Analogous: #618bff, #d561ff
- Triadic: #ff8661, #61ff86
- Split-complementary: #ffd561, #8bff61
- Tetradic: #ff618b, #daff61, #61ffd5

## Colors that go with #8661ff

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

- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #8661ff: 4 real palettes, including Calm's brand system and Blueprint, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Render (https://brandsweets.com/colors/brands/render-com), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/deepskyblue
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Lavender Haze and Discord's brand system put Midnight Blue beside #8661ff, as that palette's text colour. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Discord (https://brandsweets.com/colors/brands/discord), Marvel (https://brandsweets.com/colors/brands/marvel-com), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #8661ff in 4 real palettes, including Obsidian's brand system and Zed's brand system, as that palette's text colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Zed (https://brandsweets.com/colors/brands/zed-dev), Loom (https://brandsweets.com/colors/brands/loom-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #8661ff 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
- **Olive Drab** #6b8e23 [harmony, pool: split] — Olive Drab is a split-complement of #8661ff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Spline (https://brandsweets.com/colors/brands/spline-design). — https://brandsweets.com/colors/olivedrab
- **Amber** #ffbf00 [pool] — Amber is paired with #8661ff in 3 real palettes, including Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 3 real palettes, including Signal's brand system and Qualcomm's brand system put Blue beside #8661ff, as the supporting colour. Seen in: Signal (https://brandsweets.com/colors/brands/signal-org), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #8661ff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 4.06:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #7a52ff (4.69:1); AA: background → #141414 (4.53:1); AAA: text → #4f1aff (7.18:1)
- On black (#000000): 5.17:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a185ff (7.31:1)

## Brands using this color

- **Obsidian** — secondary #8a5cf5 (Δ 1.864) — https://brandsweets.com/colors/brands/obsidian-md

## Curated palettes containing it

- **Lavender Haze** (playful, cool, light) — #8b5cf6, #c4b5fd, #f472b6, #faf7ff, #2e1f47 — Violet and pink on lilac-white: Gen-Z friendly, while the deep plum text keeps it legible. — tool: https://brandsweets.com/palettes/new/8b5cf6-c4b5fd-f472b6-faf7ff-2e1f47 — collection: https://brandsweets.com/palettes/playful

## 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/8661ff-aa9cc4-dfbb4e-291f2d-e9ebf1?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: "#8661ff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.