# #b583d2

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

## Values

- Hex: `#b583d2`
- RGB: rgb(181, 131, 210)
- HSL: hsl(278, 47%, 67%)
- OKLCH: oklch(0.688 0.125 312.4)
- Relative luminance: 0.3071
- Nearest named color: Fleur-De-Lis (#b090c7, Δ 4.096) — https://brandsweets.com/colors/fleur-de-lis
- Moods: cool, modern
- Page: https://brandsweets.com/colors/b583d2

## Tints & shades

- Tints (toward white): #bc8fd6, #c39adb, #c9a5df, #d0b0e3, #d9bfe8, #e0cbec, #e6d6f0, #ede1f4, #f4ecf8, #fbf8fc
- Shades (toward black): #a86dca, #9853c1, #8a41b4, #79399d, #673187, #53276d, #421f56, #311740, #1d0e25, #0b050f

## Harmonies

- Complementary: #a0d283
- Analogous: #8e83d2, #d283c8
- Triadic: #d2b583, #83d2b5
- Split-complementary: #c8d283, #83d28e
- Tetradic: #d28e83, #a0d283, #83c8d2

## Colors that go with #b583d2

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 #b583d2 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
- **Midnight Blue** #191970 [pool] — 4 real palettes, including First Snow and Lavender Haze put Midnight Blue beside #b583d2, as the text colour against it. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Open House (https://brandsweets.com/palettes/clean#open-house), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/midnightblue
- **Light Sea Green** #20b2aa [harmony, pool: split] — Light Sea Green is a split-complement of #b583d2: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/lightseagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #b583d2 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b583d2: softer than #000 and cool enough to feel like part of the same palette. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: analogous] — Cornflower Blue is #b583d2's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Arctic (https://brandsweets.com/palettes/clean#arctic). — https://brandsweets.com/colors/cornflowerblue
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #b583d2 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 #b583d2 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

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

- On white (#ffffff): 2.94:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9b56c2 (4.66:1); AA: background → #2e2e2e (4.62:1); AAA: text → #7b3aa1 (7.09:1); AAA: background → #030303 (7.01:1)
- On black (#000000): 7.14:1 — AA pass, AA-large pass, AAA pass

## 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/b583d2-ba9cc4-bbcb62-2d1f2c-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: "#b583d2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.