# #a18bbb

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

## Values

- Hex: `#a18bbb`
- RGB: rgb(161, 139, 187)
- HSL: hsl(268, 26%, 64%)
- OKLCH: oklch(0.674 0.074 305.4)
- Relative luminance: 0.2963
- Nearest named color: Wizard’s Brew (#a090b8, Δ 1.542) — https://brandsweets.com/colors/wizards-brew
- Moods: cool, muted
- Page: https://brandsweets.com/colors/a18bbb

## Tints & shades

- Tints (toward white): #a995c1, #b4a2c8, #bcabce, #c6b8d5, #cec2db, #d5cce1, #e0d8e8, #e8e2ee, #f2eff6, #faf9fb
- Shades (toward black): #9278b0, #8265a4, #735794, #644b81, #55406d, #46355a, #372a47, #281e33, #191320, #0a080d

## Harmonies

- Complementary: #a5bb8b
- Analogous: #8b8dbb, #b98bbb
- Triadic: #bba28b, #8bbba2
- Split-complementary: #bbb98b, #8dbb8b
- Tetradic: #bb8b8d, #a5bb8b, #8bbbb9

## Colors that go with #a18bbb

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 #a18bbb: 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
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #a18bbb in 4 real palettes, including Ledger Dark and Obsidian's brand system, as the accent. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Scale AI (https://brandsweets.com/colors/brands/scale-com), Supabase (https://brandsweets.com/colors/brands/supabase). — https://brandsweets.com/colors/emerald-green
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Open House and First Snow put Midnight Blue beside #a18bbb, 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 #a18bbb — 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), Kiln (https://brandsweets.com/palettes/dark#kiln), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/peru
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #a18bbb: 4 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
- **Taupe** #483c32 [pool] — Taupe is paired with #a18bbb in 14 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), Typewriter (https://brandsweets.com/palettes/editorial#typewriter). — https://brandsweets.com/colors/taupe
- **Dark Sea Green** #8fbc8f [harmony: complementary] — Dark Sea Green sits directly opposite #a18bbb 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
- **Dark Goldenrod** #b8860b [harmony, pool: split] — Dark Goldenrod is a split-complement of #a18bbb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Greige (https://brandsweets.com/palettes/neutral#greige). — https://brandsweets.com/colors/darkgoldenrod

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

- On white (#ffffff): 3.03:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8568a6 (4.64:1); AA: background → #2b2b2b (4.67:1); AAA: text → #674d84 (7.07:1)
- On black (#000000): 6.93:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a48fbd (7.24:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a18bbb-b39cc4-dfdc4e-2c1f2d-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: "#a18bbb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.