# #a591b1

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

## Values

- Hex: `#a591b1`
- RGB: rgb(165, 145, 177)
- HSL: hsl(278, 17%, 63%)
- OKLCH: oklch(0.685 0.051 312.8)
- Relative luminance: 0.3142
- Nearest named color: Wizard’s Brew (#a090b8, Δ 1.375) — https://brandsweets.com/colors/wizards-brew
- Moods: cool, muted
- Page: https://brandsweets.com/colors/a591b1

## Tints & shades

- Tints (toward white): #af9db9, #b6a5c0, #c0b1c8, #c7bace, #d1c6d7, #d8cfdd, #e2dbe6, #e9e4ec, #f3f0f4, #faf9fb
- Shades (toward black): #967fa4, #886d97, #785f86, #685374, #5b4865, #4b3b54, #3b2f42, #2b2230, #1b151e, #0b080c

## Harmonies

- Complementary: #9cb191
- Analogous: #9591b1, #b191ac
- Triadic: #b1a591, #91b1a5
- Split-complementary: #acb191, #91b195
- Tetradic: #b19591, #9cb191, #91acb1

## Colors that go with #a591b1

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 #a591b1: 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
- **Medium Sea Green** #3cb371 [harmony, pool: complementary] — Medium Sea Green sits directly opposite #a591b1 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
- **Copper** #b87333 [pool] — Designers have shipped Copper with #a591b1: 6 real palettes, including Dusk and Riverbed, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Atelier (https://brandsweets.com/palettes/elegant#atelier), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Open House and First Snow put Midnight Blue beside #a591b1, 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: triadic] — Peru completes a triad with #a591b1 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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 #a591b1: 4 real palettes, including Crypto.com's brand system and Stone, as the supporting colour. Seen in: Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Stone (https://brandsweets.com/palettes/neutral#stone), First Snow (https://brandsweets.com/palettes/cool#first-snow), Ink Wash (https://brandsweets.com/palettes/dark#ink-wash). — https://brandsweets.com/colors/powderblue
- **Taupe** #483c32 [pool] — Taupe is paired with #a591b1 in 26 real palettes, including Dusk and Stone, as the text colour against it. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Stone (https://brandsweets.com/palettes/neutral#stone), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/taupe
- **Cadet Blue** #5f9ea0 [harmony, pool: split] — Cadet Blue is a split-complement of #a591b1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/cadetblue

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

- On white (#ffffff): 2.88:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #856a95 (4.67:1); AA: background → #303030 (4.58:1); AAA: text → #655071 (7.14:1); AAA: background → #050505 (7.07:1)
- On black (#000000): 7.28:1 — 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/a591b1-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: "#a591b1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.