# #817db5

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

## Values

- Hex: `#817db5`
- RGB: rgb(129, 125, 181)
- HSL: hsl(244, 27%, 60%)
- OKLCH: oklch(0.615 0.084 286.9)
- Relative luminance: 0.2267
- Nearest named color: Aster (#867ba9, Δ 1.878) — https://brandsweets.com/colors/aster
- Moods: cool, muted
- Page: https://brandsweets.com/colors/817db5

## Tints & shades

- Tints (toward white): #8e8abc, #9a97c3, #a4a1c9, #b0aed0, #bdbbd8, #cac8df, #d6d5e7, #e0dfec, #ececf4, #f9f9fb
- Shades (toward black): #6e6aa9, #605b9f, #54508b, #4a477b, #3f3c68, #333054, #292744, #1d1c31, #141320, #08070d

## Harmonies

- Complementary: #b1b57d
- Analogous: #7d95b5, #9d7db5
- Triadic: #b5817d, #7db581
- Split-complementary: #b59d7d, #95b57d
- Tetradic: #b57d95, #b1b57d, #7db59d

## Colors that go with #817db5

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 #817db5: 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
- **Amber** #ffbf00 [pool] — Amber is paired with #817db5 in 7 real palettes, including Beach Hut and Blueprint, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #817db5: 5 real palettes, including Fintech Trust and Hershey's's brand system, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [harmony, pool: split] — Copper is a split-complement of #817db5: 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 #817db5: 6 real palettes, including Telegram's brand system and Astro's brand system, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Astro (https://brandsweets.com/colors/brands/astro-build), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #817db5: 10 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), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Plaid's brand system and Marvel's brand system put Midnight Blue beside #817db5, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Campus and Graphite put Orange beside #817db5, as the accent. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Graphite (https://brandsweets.com/palettes/technical#graphite), Olympics (https://brandsweets.com/colors/brands/olympics-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/orange

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

- On white (#ffffff): 3.79:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #716dab (4.69:1); AA: background → #1a1a1a (4.59:1); AAA: text → #56528e (7.02:1)
- On black (#000000): 5.53:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9491c0 (7.07:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/817db5-a39cc4-dfa24e-261f2d-e9edf1?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: "#817db5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.