# #771d8b

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

## Values

- Hex: `#771d8b`
- RGB: rgb(119, 29, 139)
- HSL: hsl(289, 65%, 33%)
- OKLCH: oklch(0.429 0.179 319.4)
- Relative luminance: 0.0666
- Nearest named color: Ultraberry (#770088, Δ 2.524) — https://brandsweets.com/colors/ultraberry
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/771d8b

## Tints & shades

- Tints (toward white): #9024a8, #a629c2, #b839d5, #c152da, #cc70e1, #d589e6, #dfa7ec, #e8c0f2, #f3ddf8, #fcf7fd
- Shades (toward black): #6c1b7e, #611872, #561565, #4c1358, #441150, #3a0e43, #2f0c37, #24092a, #19061d, #0e0411

## Harmonies

- Complementary: #328b1d
- Analogous: #401d8b, #8b1d68
- Triadic: #8b771d, #1d8b77
- Split-complementary: #688b1d, #1d8b40
- Tetradic: #8b401d, #328b1d, #1d688b

## Colors that go with #771d8b

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 #771d8b 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
- **Blue Violet** #8a2be2 [harmony, pool: analogous] — Blue Violet is #771d8b'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), Twitch (https://brandsweets.com/colors/brands/twitch-tv). — https://brandsweets.com/colors/blueviolet
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #771d8b: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #771d8b in 3 real palettes, including 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), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #771d8b: 3 real palettes, including 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), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #771d8b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #771d8b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #771d8b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen

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

- On white (#ffffff): 9:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.33:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b839d5 (4.58:1); AA: background → #b8b8b8 (4.54:1); AAA: text → #cd74e2 (7.19:1); AAA: background → #e3e3e3 (7.01:1)

## 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/771d8b-be9fc1-a8cb62-2d1f2a-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: "#771d8b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.