# #b381ca

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

## Values

- Hex: `#b381ca`
- RGB: rgb(179, 129, 202)
- HSL: hsl(281, 41%, 65%)
- OKLCH: oklch(0.679 0.118 314.7)
- Relative luminance: 0.2955
- Nearest named color: Berries Galore (#ab7cb4, Δ 3.569) — https://brandsweets.com/colors/berries-galore
- Moods: cool, modern
- Page: https://brandsweets.com/colors/b381ca

## Tints & shades

- Tints (toward white): #ba8ccf, #c29ad5, #c9a5d9, #cfb0de, #d8bee4, #dfc9e8, #e5d4ed, #ecdff1, #f4edf7, #fbf8fc
- Shades (toward black): #a66cc1, #9956b8, #8a47a9, #783e93, #67357e, #522a65, #41214f, #2f183a, #1d0f24, #0c060e

## Harmonies

- Complementary: #98ca81
- Analogous: #8f81ca, #ca81bd
- Triadic: #cab381, #81cab3
- Split-complementary: #bdca81, #81ca8f
- Tetradic: #ca8f81, #98ca81, #81bdca

## Colors that go with #b381ca

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 #b381ca 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), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b381ca: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Open House and First Snow put Midnight Blue beside #b381ca, as the text colour against it. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), First Snow (https://brandsweets.com/palettes/cool#first-snow), Plaid (https://brandsweets.com/colors/brands/plaid-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Amber** #ffbf00 [pool] — Amber is paired with #b381ca in 3 real palettes, including Blueprint and Ahrefs's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Cornflower Blue** #6495ed [harmony, pool: analogous] — Cornflower Blue is #b381ca's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Arctic (https://brandsweets.com/palettes/clean#arctic), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/cornflowerblue
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #b381ca in 3 real palettes, including 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), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark). — https://brandsweets.com/colors/emerald-green
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #b381ca 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #b381ca in 3 real palettes, including Sephora's brand system and Loom's brand system, as the supporting colour. Seen in: Sephora (https://brandsweets.com/colors/brands/sephora-com), Loom (https://brandsweets.com/colors/brands/loom-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 3.04:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9b5aba (4.6:1); AA: background → #2b2b2b (4.66:1); AAA: text → #783e93 (7.22:1)
- On black (#000000): 6.91:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b585cc (7.19:1)

## Fonts for this mood

- 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/b381ca-ba9fc1-b6cb62-2d1f2c-ebe9f1?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: "#b381ca" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
