# #b378dd

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

## Values

- Hex: `#b378dd`
- RGB: rgb(179, 120, 221)
- HSL: hsl(275, 60%, 67%)
- OKLCH: oklch(0.673 0.155 309.8)
- Relative luminance: 0.2824
- Nearest named color: Lavender (#b56edc, Δ 2.245) — https://brandsweets.com/colors/lavender-2
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/b378dd

## Tints & shades

- Tints (toward white): #ba85e0, #c191e3, #c89de7, #cfa9ea, #d8baee, #dfc6f1, #e6d2f4, #eddef7, #f4ebfa, #faf7fd
- Shades (toward black): #a560d7, #9543d0, #8731c4, #762bab, #652593, #511e76, #41175e, #301145, #1c0a29, #0b0410

## Harmonies

- Complementary: #a2dd78
- Analogous: #8178dd, #dd78d5
- Triadic: #ddb378, #78ddb3
- Split-complementary: #d5dd78, #78dd81
- Tetradic: #dd8178, #a2dd78, #78d5dd

## Colors that go with #b378dd

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

- **Medium Sea Green** #3cb371 [harmony, pool: complementary] — Medium Sea Green sits directly opposite #b378dd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/mediumseagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #b378dd 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), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b378dd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com). — https://brandsweets.com/colors/charcoal
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #b378dd 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), monday.com (https://brandsweets.com/colors/brands/monday-com). — https://brandsweets.com/colors/mediumslateblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #b378dd in 3 real palettes, including Loom's brand system and Sephora's brand system, as the lead colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Sephora (https://brandsweets.com/colors/brands/sephora-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/royalblue
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #b378dd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod
- **Blue** #0000ff [pool] — Two real palettes: Canva's brand system and Spotify's brand system put Blue beside #b378dd, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #b378dd in two real palettes: Obsidian's brand system and Supabase's brand system, as the accent. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Supabase (https://brandsweets.com/colors/brands/supabase). — https://brandsweets.com/colors/emerald-green

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

- On white (#ffffff): 3.16:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9c50d3 (4.66:1); AA: background → #292929 (4.61:1); AAA: text → #7e2eb8 (7.07:1)
- On black (#000000): 6.65:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b881df (7.24:1)

## 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/b378dd-b89cc4-c0cb62-2d1f2d-eae9f1?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: "#b378dd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.