# #642c77

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

## Values

- Hex: `#642c77`
- RGB: rgb(100, 44, 119)
- HSL: hsl(285, 46%, 32%)
- OKLCH: oklch(0.404 0.132 316.7)
- Relative luminance: 0.0584
- Nearest named color: Galactic Grapevine (#6b327b, Δ 2.102) — https://brandsweets.com/colors/galactic-grapevine
- Moods: cool, modern
- Page: https://brandsweets.com/colors/642c77

## Tints & shades

- Tints (toward white): #7a3691, #8d3ea8, #a14cbd, #ad63c5, #ba7dcf, #c897d8, #d4ade1, #e2c7ea, #edddf3, #fbf8fc
- Shades (toward black): #5b286c, #522461, #4b2159, #421d4e, #381943, #2f1538, #26112d, #1f0e25, #160a1a, #0d060f

## Harmonies

- Complementary: #3f772c
- Analogous: #3f2c77, #772c64
- Triadic: #77642c, #2c7764
- Split-complementary: #64772c, #2c773f
- Tetradic: #773f2c, #3f772c, #2c6477

## Colors that go with #642c77

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 #642c77: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/charcoal
- **Tomato** #ff6347 [pool] — 4 real palettes, including Golden Hour and FedEx's brand system put Tomato beside #642c77, as the supporting colour. Seen in: Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), FedEx (https://brandsweets.com/colors/brands/fedex-com), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/tomato
- **Sea Green** #2e8b57 [harmony: complementary] — Sea Green sits directly opposite #642c77 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/seagreen
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #642c77: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #642c77: 3 real palettes, including Hinge's brand system and Slack's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Slack (https://brandsweets.com/colors/brands/slack-com), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Microsoft's brand system and First Snow put Midnight Blue beside #642c77, as the accent. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Kraken (https://brandsweets.com/colors/brands/kraken-com). — https://brandsweets.com/colors/midnightblue
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #642c77: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Crimson** #dc143c [pool] — Crimson is paired with #642c77 in two real palettes: Lenovo's brand system and Wells Fargo's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 9.68:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.17:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a554c0 (4.63:1); AA: background → #b3b3b3 (4.62:1); AAA: text → #bc80d0 (7.14:1); AAA: background → #dedede (7.2:1)

## 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/642c77-bc9fc1-afcb62-2d1f2b-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: "#642c77" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.