# #817cde

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

## Values

- Hex: `#817cde`
- RGB: rgb(129, 124, 222)
- HSL: hsl(243, 60%, 68%)
- OKLCH: oklch(0.635 0.144 283.8)
- Relative luminance: 0.2436
- Nearest named color: mediumpurple (#9370db, Δ 3.737) — https://brandsweets.com/colors/mediumpurple
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/817cde

## Tints & shades

- Tints (toward white): #8d89e1, #9995e4, #a5a1e8, #b0adeb, #bcbaee, #c8c6f1, #d4d2f4, #e0def7, #ebebfa, #f7f7fd
- Shades (toward black): #6a64d8, #4e47d1, #3932c8, #312bab, #2a2593, #231f7a, #1b175e, #141145, #0c0a29, #050410

## Harmonies

- Complementary: #d9de7c
- Analogous: #7ca9de, #b27cde
- Triadic: #de817c, #7cde81
- Split-complementary: #deb27c, #a9de7c
- Tetradic: #de7ca9, #d9de7c, #7cdeb2

## Colors that go with #817cde

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 #817cde: 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 #817cde in 7 real palettes, including Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Google (https://brandsweets.com/colors/brands/google-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Qualcomm's brand system and Readymag's brand system put Blue beside #817cde, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #817cde: 7 real palettes, including Blueprint and Calm's brand system, as the lead colour. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Calm (https://brandsweets.com/colors/brands/calm-com), Telegram (https://brandsweets.com/colors/brands/telegram-org), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #817cde: 12 real palettes, including Coursera's brand system and Apple's brand system, as the accent. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), Apple (https://brandsweets.com/colors/brands/apple-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #817cde in 4 real palettes, including Ledger Dark and Disney's brand system, as the lead colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Disney (https://brandsweets.com/colors/brands/disney-com), Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com), Liquid Death (https://brandsweets.com/colors/brands/liquiddeath-com). — https://brandsweets.com/colors/goldenrod
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #817cde in 4 real palettes, including Spotify's brand system and Unity's brand system, as the lead colour. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Olympics (https://brandsweets.com/colors/brands/olympics-com), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Dark Goldenrod** #b8860b [harmony: complementary] — Dark Goldenrod sits directly opposite #817cde 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/darkgoldenrod

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

- On white (#ffffff): 3.58:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6e68d9 (4.52:1); AA: background → #212121 (4.5:1); AAA: text → #463fcf (7.31:1)
- On black (#000000): 5.87:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #918de2 (7.11:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/817cde-a39cc4-dfa04e-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: "#817cde" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.