# #816ef2

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

## Values

- Hex: `#816ef2`
- RGB: rgb(129, 110, 242)
- HSL: hsl(249, 84%, 69%)
- OKLCH: oklch(0.622 0.191 286)
- Relative luminance: 0.2223
- Nearest named color: mediumslateblue (#7b68ee, Δ 1.809) — https://brandsweets.com/colors/mediumslateblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/816ef2

## Tints & shades

- Tints (toward white): #8e7cf4, #9a8af5, #a698f6, #b2a6f7, #beb4f8, #c6bdf9, #d2cbfb, #dfd9fc, #ebe8fd, #f7f6fe
- Shades (toward black): #6951f0, #4d31ed, #3514eb, #2d12ca, #270fae, #200c8d, #190a71, #120750, #0c0434, #040213

## Harmonies

- Complementary: #def26e
- Analogous: #6e9cf2, #c46ef2
- Triadic: #f2816e, #6ef281
- Split-complementary: #f2c46e, #9cf26e
- Tetradic: #f26e9c, #def26e, #6ef2c4

## Colors that go with #816ef2

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

- **Amber** #ffbf00 [pool] — Amber is paired with #816ef2 in 7 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), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 10 real palettes, including Qualcomm's brand system and Penpot's brand system put Blue beside #816ef2, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Signal (https://brandsweets.com/colors/brands/signal-org), Cargo (https://brandsweets.com/colors/brands/cargo-site). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #816ef2: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Disney (https://brandsweets.com/colors/brands/disney-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #816ef2: 6 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), Elastic (https://brandsweets.com/colors/brands/elastic-co), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #816ef2: 9 real palettes, including Coursera's brand system and Fivetran blue's brand system, as the accent. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/denim
- **Light Sky Blue** #87cefa [pool] — Light Sky Blue is paired with #816ef2 in 4 real palettes, including Calm's brand system and Sentry's brand system, as the supporting colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Sentry (https://brandsweets.com/colors/brands/sentry-io), Opensea (https://brandsweets.com/colors/brands/opensea-io), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/lightskyblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Lavender Haze and Discord's brand system put Midnight Blue beside #816ef2, 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
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #816ef2 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): 3.86:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #755ff1 (4.5:1); AA: background → #1a1a1a (4.51:1); AAA: text → #4d31ed (7.05:1)
- On black (#000000): 5.45:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9a8af5 (7.33:1)

## Brands using this color

- **ClickUp** — secondary #7b68ee (Δ 1.809) — https://brandsweets.com/colors/brands/clickup-com

## 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/816ef2-a79cc4-dfae4e-271f2d-e9ecf1?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: "#816ef2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.