# #8580bc

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

## Values

- Hex: `#8580bc`
- RGB: rgb(133, 128, 188)
- HSL: hsl(245, 31%, 62%)
- OKLCH: oklch(0.628 0.089 287.3)
- Relative luminance: 0.2406
- Nearest named color: Aster (#867ba9, Δ 2.876) — https://brandsweets.com/colors/aster
- Moods: cool, muted
- Page: https://brandsweets.com/colors/8580bc

## Tints & shades

- Tints (toward white): #928dc3, #9c97c8, #a8a5cf, #b2afd5, #bfbcdc, #cccae3, #d5d4e8, #e2e1ef, #ecebf4, #f9f8fb
- Shades (toward black): #726cb2, #5f58a7, #554f96, #4a4582, #3e3a6e, #33305a, #282546, #1e1c35, #131221, #08070d

## Harmonies

- Complementary: #b7bc80
- Analogous: #8099bc, #a380bc
- Triadic: #bc8580, #80bc85
- Split-complementary: #bca380, #99bc80
- Tetradic: #bc8099, #b7bc80, #80bca3

## Colors that go with #8580bc

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 #8580bc: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), 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 #8580bc in 6 real palettes, including Blueprint and Mastodon hosted on mastodon.social's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Copper** #b87333 [harmony, pool: split] — Copper is a split-complement of #8580bc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier), Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #8580bc: 5 real palettes, including Blueprint and Telegram's brand system, as the lead colour. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Telegram (https://brandsweets.com/colors/brands/telegram-org), Astro (https://brandsweets.com/colors/brands/astro-build), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #8580bc: 8 real palettes, including Dusk and Campus, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Campus (https://brandsweets.com/palettes/friendly#campus), Open House (https://brandsweets.com/palettes/clean#open-house), American Express (https://brandsweets.com/colors/brands/americanexpress-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Plaid's brand system and Marvel's brand system put Midnight Blue beside #8580bc, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Open House (https://brandsweets.com/palettes/clean#open-house), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Campus and Graphite put Orange beside #8580bc, as the accent. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Graphite (https://brandsweets.com/palettes/technical#graphite), Gopro (https://brandsweets.com/colors/brands/gopro-com), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/orange
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #8580bc in 4 real palettes, including Google's brand system and Substack's brand system, as the supporting colour. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Substack (https://brandsweets.com/colors/brands/substack-com), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/orangered

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

- On white (#ffffff): 3.61:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #726cb2 (4.66:1); AA: background → #1f1f1f (4.56:1); AAA: text → #554f96 (7.13:1)
- On black (#000000): 5.81:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9591c5 (7.13:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/8580bc-a49cc4-dfa54e-261f2d-e9ecf1?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: "#8580bc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.