# #8166db

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

## Values

- Hex: `#8166db`
- RGB: rgb(129, 102, 219)
- HSL: hsl(254, 62%, 63%)
- OKLCH: oklch(0.593 0.172 290.9)
- Relative luminance: 0.1928
- Nearest named color: mediumslateblue (#7b68ee, Δ 3) — https://brandsweets.com/colors/mediumslateblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/8166db

## Tints & shades

- Tints (toward white): #8f77df, #9983e2, #a794e6, #b1a0e9, #bfb1ed, #c9bdef, #d6cdf3, #e0daf6, #eeeafa, #f8f7fd
- Shades (toward black): #6d4dd5, #5935d0, #4d2cba, #4326a1, #3a218c, #301b74, #26155b, #1b1042, #110a29, #070411

## Harmonies

- Complementary: #c0db66
- Analogous: #6685db, #bc66db
- Triadic: #db8166, #66db81
- Split-complementary: #dbbc66, #85db66
- Tetradic: #db6685, #c0db66, #66dbbc

## Colors that go with #8166db

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #8166db: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #8166db in 6 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), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Qualcomm's brand system and Signal's brand system put Blue beside #8166db, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Signal (https://brandsweets.com/colors/brands/signal-org), Pixar (https://brandsweets.com/colors/brands/pixar-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #8166db: 4 real palettes, including Mastodon hosted on mastodon.social's brand system and Coca-Cola's brand system, as the supporting colour. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #8166db in 5 real palettes, including Marvel's brand system and Pizza Hut's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #8166db: 9 real palettes, including Linkedin's brand system and Fivetran blue's brand system, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Guinness (https://brandsweets.com/colors/brands/guinness-com), Motorola (https://brandsweets.com/colors/brands/motorola-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #8166db: 4 real palettes, including PostHog's brand system and HashiCorp's brand system, as the lead colour. Seen in: PostHog (https://brandsweets.com/colors/brands/posthog-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), ASUS (https://brandsweets.com/colors/brands/asus-com), OnePlus (https://brandsweets.com/colors/brands/oneplus-com). — https://brandsweets.com/colors/dodgerblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #8166db 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

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

- On white (#ffffff): 4.32:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #7e62da (4.52:1); AA: background → #0a0a0a (4.58:1); AAA: text → #5c39d0 (7.12:1)
- On black (#000000): 4.86:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9d87e3 (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/8166db-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: "#8166db" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.