# #b591cf

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

## Values

- Hex: `#b591cf`
- RGB: rgb(181, 145, 207)
- HSL: hsl(275, 39%, 69%)
- OKLCH: oklch(0.712 0.096 310.5)
- Relative luminance: 0.3458
- Nearest named color: Fleur-De-Lis (#b090c7, Δ 1.433) — https://brandsweets.com/colors/fleur-de-lis
- Moods: cool, modern
- Page: https://brandsweets.com/colors/b591cf

## Tints & shades

- Tints (toward white): #bc9cd3, #c3a6d8, #cbb1dd, #d2bce1, #d9c6e6, #decde9, #e5d8ee, #ece3f3, #f3edf7, #faf8fc
- Shades (toward black): #a77cc5, #9663bb, #884eb1, #754398, #643a83, #512f6a, #412555, #2e1a3c, #1e1127, #0b060e

## Harmonies

- Complementary: #abcf91
- Analogous: #9691cf, #cf91ca
- Triadic: #cfb591, #91cfb5
- Split-complementary: #cacf91, #91cf96
- Tetradic: #cf9691, #abcf91, #91cacf

## Colors that go with #b591cf

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b591cf: 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), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #b591cf in 4 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), Meadow (https://brandsweets.com/palettes/light#meadow), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark). — https://brandsweets.com/colors/emerald-green
- **Midnight Blue** #191970 [pool] — 5 real palettes, including First Snow and Open House put Midnight Blue beside #b591cf, as the text colour against it. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Open House (https://brandsweets.com/palettes/clean#open-house), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #b591cf in 10 real palettes, including Obsidian's brand system and Dusk, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Dusk (https://brandsweets.com/palettes/cool#dusk), Blossom (https://brandsweets.com/palettes/light#blossom), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/taupe
- **Dark Sea Green** #8fbc8f [harmony: complementary] — Dark Sea Green sits directly opposite #b591cf 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/darkseagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #b591cf in 3 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). — https://brandsweets.com/colors/amber
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #b591cf: 3 real palettes, including Blueprint and Calm's brand system, as the lead colour. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Calm (https://brandsweets.com/colors/brands/calm-com), Max (https://brandsweets.com/colors/brands/max-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b591cf: 3 real palettes, including Dusk and Open House, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 2.65:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #945fb9 (4.57:1); AA: background → #363636 (4.56:1); AAA: text → #724195 (7.23:1); AAA: background → #121212 (7.06:1)
- On black (#000000): 7.92:1 — 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/b591cf-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: "#b591cf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.