# #b18bf9

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

## Values

- Hex: `#b18bf9`
- RGB: rgb(177, 139, 249)
- HSL: hsl(261, 90%, 76%)
- OKLCH: oklch(0.717 0.159 298.2)
- Relative luminance: 0.3465
- Nearest named color: Dreamy Candy Forest (#b195e4, Δ 4.401) — https://brandsweets.com/colors/dreamy-candy-forest
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/b18bf9

## Tints & shades

- Tints (toward white): #b894f9, #be9efa, #c8adfb, #ceb6fb, #d5c0fc, #dbcafc, #e2d3fd, #ece2fd, #f2ecfe, #f9f5fe
- Shades (toward black): #9b69f7, #8447f5, #6a20f3, #570ce4, #4a0ac2, #3d08a0, #30077e, #220557, #140335, #070113

## Harmonies

- Complementary: #d2f98b
- Analogous: #8b9bf9, #e88bf9
- Triadic: #f9b18b, #8bf9b1
- Split-complementary: #f9e88b, #9bf98b
- Tetradic: #f98b9b, #d2f98b, #8bf9e8

## Colors that go with #b18bf9

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 #b18bf9 in 4 real palettes, including Ahrefs's brand system and Blueprint, as the supporting colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #b18bf9 in 5 real palettes, including Roblox's brand system and Sephora's brand system, as the lead colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Sephora (https://brandsweets.com/colors/brands/sephora-com), Loom (https://brandsweets.com/colors/brands/loom-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/royalblue
- **Dark Khaki** #bdb76b [harmony: complementary] — Dark Khaki sits directly opposite #b18bf9 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/darkkhaki
- **Emerald Green** #50c878 [harmony, pool: split] — Emerald Green is a split-complement of #b18bf9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Supabase (https://brandsweets.com/colors/brands/supabase). — https://brandsweets.com/colors/emerald-green
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b18bf9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Mercury (https://brandsweets.com/colors/brands/mercury-com). — https://brandsweets.com/colors/charcoal
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #b18bf9 in 3 real palettes, including Obsidian's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/mediumslateblue
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Lavender Haze and Blue Mono put Midnight Blue beside #b18bf9, as the text colour against it. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk). — https://brandsweets.com/colors/midnightblue
- **Periwinkle** #ccccff [pool] — Periwinkle shows up next to #b18bf9 in 3 real palettes, including Blue Mono and Calendly's brand system, as the accent. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Calendly (https://brandsweets.com/colors/brands/calendly-com), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk). — https://brandsweets.com/colors/periwinkle

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

- On white (#ffffff): 2.65:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8a51f6 (4.58:1); AA: background → #363636 (4.56:1); AAA: text → #6416f3 (7.12:1); AAA: background → #121212 (7.07:1)
- On black (#000000): 7.93:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Obsidian** — primary #ac8cfc (Δ 0.87) — https://brandsweets.com/colors/brands/obsidian-md

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b18bf9-af9cc4-dfcb4e-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: "#b18bf9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.