# #a18ac7

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

## Values

- Hex: `#a18ac7`
- RGB: rgb(161, 138, 199)
- HSL: hsl(263, 35%, 66%)
- OKLCH: oklch(0.677 0.092 301.3)
- Relative luminance: 0.2988
- Nearest named color: Petrified Purple (#9c87c1, Δ 1.362) — https://brandsweets.com/colors/petrified-purple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/a18ac7

## Tints & shades

- Tints (toward white): #a994cc, #b29fd1, #bdacd7, #c5b7dc, #cdc1e1, #d6cbe6, #ded6eb, #e9e3f2, #f1eef7, #f9f8fc
- Shades (toward black): #9175bd, #8061b3, #6e4ea2, #60448d, #523a78, #443064, #36264f, #251b37, #171122, #09070e

## Harmonies

- Complementary: #afc78a
- Analogous: #8a91c7, #c08ac7
- Triadic: #c7a18a, #8ac7a1
- Split-complementary: #c7c08a, #91c78a
- Tetradic: #c78a91, #afc78a, #8ac7c0

## Colors that go with #a18ac7

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 #a18ac7: 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), Plaid (https://brandsweets.com/colors/brands/plaid-com), 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 #a18ac7 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
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Open House and First Snow put Midnight Blue beside #a18ac7, 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), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Peru** #cd853f [harmony, pool: triadic] — Peru completes a triad with #a18ac7 — 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 #a18ac7: 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), Ink Wash (https://brandsweets.com/palettes/dark#ink-wash), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a18ac7 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
- **Taupe** #483c32 [pool] — Taupe is paired with #a18ac7 in 9 real palettes, including Dusk and Obsidian's brand system, as the text colour against it. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Retool (https://brandsweets.com/colors/brands/retool-com), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/taupe
- **Dark Sea Green** #8fbc8f [harmony: complementary] — Dark Sea Green sits directly opposite #a18ac7 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

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

- On white (#ffffff): 3.01:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8364b4 (4.72:1); AA: background → #2e2e2e (4.51:1); AAA: text → #674997 (7.06:1)
- On black (#000000): 6.98:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a48dc8 (7.22:1)

## 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/a18ac7-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: "#a18ac7" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.