# #a191ba

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

## Values

- Hex: `#a191ba`
- RGB: rgb(161, 145, 186)
- HSL: hsl(263, 23%, 65%)
- OKLCH: oklch(0.685 0.062 302.6)
- Relative luminance: 0.3137
- Nearest named color: Wizard’s Brew (#a090b8, Δ 0.391) — https://brandsweets.com/colors/wizards-brew
- Moods: cool, muted
- Page: https://brandsweets.com/colors/a191ba

## Tints & shades

- Tints (toward white): #a99bc0, #b4a7c8, #bcb1ce, #c4bad4, #cfc7dc, #d7d0e2, #dfd9e7, #e7e3ed, #f2eff5, #faf9fb
- Shades (toward black): #917eae, #816ca3, #715c93, #635181, #54456e, #443758, #352b45, #271f32, #18141f, #0a080d

## Harmonies

- Complementary: #abba91
- Analogous: #9196ba, #b591ba
- Triadic: #baa191, #91baa1
- Split-complementary: #bab591, #96ba91
- Tetradic: #ba9196, #abba91, #91bab5

## Colors that go with #a191ba

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 #a191ba: softer than #000 and cool enough to feel like part of the same palette. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #a191ba 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #a191ba: 4 real palettes, including Calm's brand system and Blueprint, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Max (https://brandsweets.com/colors/brands/max-com), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com). — https://brandsweets.com/colors/deepskyblue
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #a191ba in 4 real palettes, including Ledger Dark and Scale AI's brand system, as the accent. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Scale AI (https://brandsweets.com/colors/brands/scale-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Supabase (https://brandsweets.com/colors/brands/supabase). — https://brandsweets.com/colors/emerald-green
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Open House and First Snow put Midnight Blue beside #a191ba, 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 Milk (https://brandsweets.com/palettes/light#lavender-milk). — https://brandsweets.com/colors/midnightblue
- **Peru** #cd853f [harmony, pool: split] — Peru is a split-complement of #a191ba: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/peru
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #a191ba: 5 real palettes, including First Snow and Crypto.com's brand system, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Stone (https://brandsweets.com/palettes/neutral#stone), Ink Wash (https://brandsweets.com/palettes/dark#ink-wash). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a191ba in 4 real palettes, including Sephora's brand system and Roblox's brand system, as the supporting colour. Seen in: Sephora (https://brandsweets.com/colors/brands/sephora-com), Roblox (https://brandsweets.com/colors/brands/roblox-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 2.89:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #816ca3 (4.56:1); AA: background → #303030 (4.57:1); AAA: text → #614f7d (7.18:1); AAA: background → #050505 (7.06:1)
- On black (#000000): 7.27:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a191ba-b09cc4-dfd04e-2b1f2d-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: "#a191ba" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.