# #640b7f

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

## Values

- Hex: `#640b7f`
- RGB: rgb(100, 11, 127)
- HSL: hsl(286, 84%, 27%)
- OKLCH: oklch(0.379 0.176 315.8)
- Relative luminance: 0.0448
- Nearest named color: Extraviolet (#661188, Δ 1.675) — https://brandsweets.com/colors/extraviolet
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/640b7f

## Tints & shades

- Tints (toward white): #7e0ea0, #9711c0, #b114e1, #c02ced, #cb51f0, #d572f3, #df93f6, #e8b4f8, #f2d5fb, #fcf6fe
- Shades (toward black): #5c0a75, #510967, #4a085e, #420754, #3b074b, #30053d, #290434, #21042a, #16021c, #0f0213

## Harmonies

- Complementary: #267f0b
- Analogous: #2a0b7f, #7f0b60
- Triadic: #7f640b, #0b7f64
- Split-complementary: #607f0b, #0b7f2a
- Tetradic: #7f2a0b, #267f0b, #0b607f

## Colors that go with #640b7f

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #640b7f 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/forestgreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #640b7f: 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). — https://brandsweets.com/colors/charcoal
- **Tomato** #ff6347 [pool] — 3 real palettes, including FedEx's brand system and dbt Labs's brand system put Tomato beside #640b7f, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour). — https://brandsweets.com/colors/tomato
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #640b7f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #640b7f: 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 #640b7f 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #640b7f: two real palettes: Slack's brand system and Hinge's brand system, as the lead colour. Seen in: Slack (https://brandsweets.com/colors/brands/slack-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **Sandy Brown** #f4a460 [pool] — Sandy Brown is paired with #640b7f in two real palettes: Dusk Gradient and Golden Hour, as the supporting colour. Seen in: Dusk Gradient (https://brandsweets.com/palettes/dark#dusk-gradient), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour). — https://brandsweets.com/colors/sandybrown

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

- On white (#ffffff): 11.07:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.9:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #bd22ec (4.6:1); AA: background → #a6a6a6 (4.55:1); AAA: text → #d269f2 (7.04:1); AAA: background → #cfcfcf (7.11:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/640b7f-bd9fc1-adcb62-2d1f2a-ece9f1?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: "#640b7f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.