# #691b79

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

## Values

- Hex: `#691b79`
- RGB: rgb(105, 27, 121)
- HSL: hsl(290, 64%, 29%)
- OKLCH: oklch(0.393 0.159 320.1)
- Relative luminance: 0.0517
- Nearest named color: Extraviolet (#661188, Δ 3.007) — https://brandsweets.com/colors/extraviolet
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/691b79

## Tints & shades

- Tints (toward white): #832197, #9c27b4, #b62ed1, #c04bd8, #ca68de, #d382e3, #dd9fea, #e8bcf0, #f2d9f7, #fcf7fd
- Shades (toward black): #621971, #571664, #50145c, #45114f, #3e1047, #330d3b, #2c0b32, #210826, #19061d, #0f0411

## Harmonies

- Complementary: #2a791b
- Analogous: #3a1b79, #791b5a
- Triadic: #796a1b, #1b796a
- Split-complementary: #5a791b, #1b793a
- Tetradic: #793a1b, #2a791b, #1b5a79

## Colors that go with #691b79

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 #691b79 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 #691b79: 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 Golden Hour put Tomato beside #691b79, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/tomato
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #691b79: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Teal** #008080 [harmony: split] — Teal is a split-complement of #691b79: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/teal
- **Blue Violet** #8a2be2 [harmony, pool: analogous] — Blue Violet is #691b79's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/blueviolet
- **Crimson** #dc143c [pool] — Crimson is paired with #691b79 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 #691b79: 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

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

- On white (#ffffff): 10.33:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.03:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b936d3 (4.53:1); AA: background → #adadad (4.6:1); AAA: text → #cd71e0 (7.03:1); AAA: background → #d6d6d6 (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/691b79-bf9fc1-a6cb62-2d1f29-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: "#691b79" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.