# #a1638c

A color — warm, muted, editorial, elegant. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#a1638c`
- RGB: rgb(161, 99, 140)
- HSL: hsl(320, 25%, 51%)
- OKLCH: oklch(0.581 0.097 340.6)
- Relative luminance: 0.1839
- Nearest named color: Bermuda Onion (#9d5a8f, Δ 2.635) — https://brandsweets.com/colors/bermuda-onion
- Moods: warm, muted, editorial, elegant
- Page: https://brandsweets.com/colors/a1638c

## Tints & shades

- Tints (toward white): #ab7398, #b380a2, #bc8fad, #c69fb9, #cfafc5, #d7bcce, #e0ccda, #eadce5, #f2e9ef, #fbf9fa
- Shades (toward black): #93587f, #865074, #764766, #663d58, #59364d, #492c40, #392232, #291924, #1d1119, #0d080b

## Harmonies

- Complementary: #63a178
- Analogous: #9763a1, #a1636d
- Triadic: #8ca163, #638ca1
- Split-complementary: #6da163, #63a197
- Tetradic: #a19763, #63a178, #636da1

## Colors that go with #a1638c

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 body-text near-black for #a1638c: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), 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
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #a1638c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Mushroom (https://brandsweets.com/palettes/neutral#mushroom). — https://brandsweets.com/colors/seagreen
- **Taupe** #483c32 [pool] — Taupe is paired with #a1638c in 10 real palettes, including Notion's brand system and Graphite Mono, as that palette's text colour. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Greige (https://brandsweets.com/palettes/neutral#greige), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/taupe
- **Champagne** #f7e7ce [pool] — 3 real palettes, including Midnight Luxe and Coffee Bar put Champagne beside #a1638c, as that palette's text colour. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/champagne
- **Orange** #ffa500 [pool] — 3 real palettes, including Sunset Boulevard and Graphite put Orange beside #a1638c, as the supporting colour. Seen in: Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard), Graphite (https://brandsweets.com/palettes/technical#graphite), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/orange
- **Peru** #cd853f [pool] — 3 real palettes, including Coffee Bar and Woodsmoke put Peru beside #a1638c, as the lead colour. Seen in: Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/peru
- **Rust** #b7410e [pool] — Rust shows up next to #a1638c in 3 real palettes, including Semrush's brand system and Gallery, as the accent. Seen in: Semrush (https://brandsweets.com/colors/brands/semrush-com), Gallery (https://brandsweets.com/palettes/editorial#gallery), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty). — https://brandsweets.com/colors/rust
- **Dark Cyan** #008b8b [harmony: split] — Dark Cyan is a split-complement of #a1638c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkcyan

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

- On white (#ffffff): 4.49:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9f608a (4.65:1); AA: background → #050505 (4.54:1); AAA: text → #794969 (7.07:1)
- On black (#000000): 4.68:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b889a9 (7.19:1)

## Brands using this color

- **Klarna US** — secondary #9d6989 (Δ 1.815) — https://brandsweets.com/colors/brands/klarna-com

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- editorial: https://brandsweets.com/fonts/mood/editorial
- elegant: https://brandsweets.com/fonts/mood/elegant

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a1638c-c19fb2-72cb62-2d1f23-f0e9f1?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: "#a1638c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.