# #642ce8

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

## Values

- Hex: `#642ce8`
- RGB: rgb(100, 44, 232)
- HSL: hsl(258, 80%, 54%)
- OKLCH: oklch(0.5 0.254 286.4)
- Relative luminance: 0.1034
- Nearest named color: Electric Indigo (#6600ff, Δ 4.043) — https://brandsweets.com/colors/electric-indigo
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/642ce8

## Tints & shades

- Tints (toward white): #723eea, #8255ec, #9068ee, #a17ef1, #ae91f3, #bca3f5, #cdbaf7, #dacdf9, #ebe3fc, #f8f6fe
- Shades (toward black): #5519e1, #4c16ca, #4414b3, #3b119c, #320f85, #2a0c6e, #210a57, #180740, #100529, #070212

## Harmonies

- Complementary: #afe82c
- Analogous: #2c51e8, #c22ce8
- Triadic: #e8642c, #2ce864
- Split-complementary: #e8c22c, #51e82c
- Tetradic: #e82c51, #afe82c, #2ce8c2

## Colors that go with #642ce8

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 #642ce8: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com), HP (https://brandsweets.com/colors/brands/hp-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #642ce8's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Signal (https://brandsweets.com/colors/brands/signal-org), Walmart (https://brandsweets.com/colors/brands/walmart-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/royalblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #642ce8: 7 real palettes, including Zillow's brand system and Oreo's brand system, as the supporting colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Oreo (https://brandsweets.com/colors/brands/oreo-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #642ce8 in 5 real palettes, including Gemstone and Coinbase's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Coinbase (https://brandsweets.com/colors/brands/coinbase), Toyota (https://brandsweets.com/colors/brands/toyota-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #642ce8: 4 real palettes, including Kraken's brand system and Render's brand system, as the accent. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Render (https://brandsweets.com/colors/brands/render-com), Calm (https://brandsweets.com/colors/brands/calm-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #642ce8: 6 real palettes, including Linkedin's brand system and Dairy Queen's brand system, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Dairy Queen (https://brandsweets.com/colors/brands/dairyqueen-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/denim
- **Light Sky Blue** #87cefa [pool] — Light Sky Blue is paired with #642ce8 in 4 real palettes, including Calm's brand system and 1password's brand system, as the supporting colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), 1password (https://brandsweets.com/colors/brands/1password-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightskyblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Kraken's brand system and Discord's brand system put Midnight Blue beside #642ce8, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Discord (https://brandsweets.com/colors/brands/discord), Penpot (https://brandsweets.com/colors/brands/penpot-app), Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 6.85:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6127e7 (7.11:1)
- On black (#000000): 3.07:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #865aed (4.7:1); AA: background → #d4d4d4 (4.62:1); AAA: text → #a483f1 (7.1:1)

## 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/642ce8-ad9cc4-dfc44e-291f2d-e9ebf1?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: "#642ce8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.