# #691bee

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

## Values

- Hex: `#691bee`
- RGB: rgb(105, 27, 238)
- HSL: hsl(262, 86%, 52%)
- OKLCH: oklch(0.498 0.27 288.3)
- Relative luminance: 0.0996
- Nearest named color: Electric Indigo (#6600ff, Δ 2.838) — https://brandsweets.com/colors/electric-indigo
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/691bee

## Tints & shades

- Tints (toward white): #7833f0, #8546f1, #945ef3, #a171f4, #b188f6, #c0a0f8, #cdb3f9, #ddcbfb, #e9defd, #f9f6fe
- Shades (toward black): #5c11df, #530fc7, #4b0eb4, #410c9d, #370a85, #2d086d, #230655, #1c0542, #12032b, #080113

## Harmonies

- Complementary: #a1ee1b
- Analogous: #1b37ee, #d21bee
- Triadic: #ee691b, #1bee69
- Split-complementary: #eed21b, #37ee1b
- Tetradic: #ee1b37, #a1ee1b, #1beed2

## Colors that go with #691bee

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

- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #691bee's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Signal (https://brandsweets.com/colors/brands/signal-org), EA (https://brandsweets.com/colors/brands/ea-com), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/royalblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #691bee: 4 real palettes, including Render's brand system and Kraken's brand system, as the supporting colour. Seen in: Render (https://brandsweets.com/colors/brands/render-com), Kraken (https://brandsweets.com/colors/brands/kraken-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #691bee 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #691bee: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #691bee: 3 real palettes, including Qualcomm's brand system and Roblox's brand system, as the supporting colour. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Roblox (https://brandsweets.com/colors/brands/roblox-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #691bee: 3 real palettes, including Linkedin's brand system and Pixar's brand system, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Dairy Queen (https://brandsweets.com/colors/brands/dairyqueen-com). — https://brandsweets.com/colors/denim
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #691bee in 3 real palettes, including ClickUp's brand system and Stripe's brand system, as the supporting colour. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), Stripe (https://brandsweets.com/colors/brands/stripe), monday.com (https://brandsweets.com/colors/brands/monday-com). — https://brandsweets.com/colors/mediumslateblue
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Kraken's brand system and Discord's brand system put Midnight Blue beside #691bee, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Discord (https://brandsweets.com/colors/brands/discord), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 7.02:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.99:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8b50f2 (4.53:1); AA: background → #cfcfcf (4.51:1); AAA: text → #aa7ff5 (7.06:1); AAA: background → #ffffff (7.02:1)

## 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/691bee-af9cc4-dfce4e-2a1f2d-e9eaf1?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: "#691bee" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.