# #a370bd

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

## Values

- Hex: `#a370bd`
- RGB: rgb(163, 112, 189)
- HSL: hsl(280, 37%, 59%)
- OKLCH: oklch(0.627 0.125 313.6)
- Relative luminance: 0.2305
- Nearest named color: Crown Jewels (#946dad, Δ 3.567) — https://brandsweets.com/colors/crown-jewels
- Moods: cool, modern
- Page: https://brandsweets.com/colors/a370bd

## Tints & shades

- Tints (toward white): #ac7ec4, #b58cca, #be9ad0, #c7a8d7, #d0b6dd, #d7c0e2, #e0cee9, #e9dcef, #f2eaf5, #fbf8fc
- Shades (toward black): #985eb5, #894da8, #7b4596, #6a3b81, #5c3370, #4a2a5b, #3c2249, #2b1834, #1d1023, #0b060e

## Harmonies

- Complementary: #8abd70
- Analogous: #7d70bd, #bd70b0
- Triadic: #bda370, #70bda3
- Split-complementary: #b0bd70, #70bd7d
- Tetradic: #bd7d70, #8abd70, #70b0bd

## Colors that go with #a370bd

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 #a370bd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/charcoal
- **Taupe** #483c32 [pool] — Taupe is paired with #a370bd in 4 real palettes, including Loom's brand system and Obsidian's brand system, as that palette's text colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Dusk (https://brandsweets.com/palettes/cool#dusk), Zed (https://brandsweets.com/colors/brands/zed-dev). — https://brandsweets.com/colors/taupe
- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #a370bd 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/olivedrab
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #a370bd in 3 real palettes, including Mastodon hosted on mastodon.social's brand system and Obsidian's brand system, as the lead colour. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Linear (https://brandsweets.com/colors/brands/linear). — https://brandsweets.com/colors/mediumslateblue
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Plaid's brand system and Marvel's brand system put Midnight Blue beside #a370bd, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Copper** #b87333 [harmony, pool: triadic] — Copper completes a triad with #a370bd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Cadet Blue** #5f9ea0 [harmony: split] — Cadet Blue is a split-complement of #a370bd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/cadetblue
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #a370bd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive

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

- On white (#ffffff): 3.74:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #985eb5 (4.56:1); AA: background → #1c1c1c (4.55:1); AAA: text → #75428f (7.16:1)
- On black (#000000): 5.61:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b185c7 (7.05:1)

## 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/a370bd-b99fc1-b8cb62-2d1f2c-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: "#a370bd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.