# #780cb6

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

## Values

- Hex: `#780cb6`
- RGB: rgb(120, 12, 182)
- HSL: hsl(278, 88%, 38%)
- OKLCH: oklch(0.455 0.227 306.7)
- Relative luminance: 0.0763
- Nearest named color: Fuchsia Nebula (#7722aa, Δ 2.626) — https://brandsweets.com/colors/fuchsia-nebula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/780cb6

## Tints & shades

- Tints (toward white): #8b0dd3, #9d0ff0, #a92cf2, #b549f3, #c166f5, #cc82f7, #d89ff9, #e4bcfb, #efd9fd, #fbf5fe
- Shades (toward black): #6e0ba8, #620995, #580986, #4c0773, #420665, #390656, #2c0443, #230335, #160222, #0d0113

## Harmonies

- Complementary: #4ab60c
- Analogous: #220cb6, #b60c9f
- Triadic: #b6780c, #0cb678
- Split-complementary: #9fb60c, #0cb622
- Tetradic: #b6220c, #4ab60c, #0c9fb6

## Colors that go with #780cb6

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

- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #780cb6 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/olive
- **Denim** #1560bd [pool] — Designers have shipped Denim with #780cb6: 3 real palettes, including Slack's brand system and Linkedin's brand system, as the lead colour. Seen in: Slack (https://brandsweets.com/colors/brands/slack-com), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #780cb6 — 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
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #780cb6: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Charcoal** #36454f [role] — Charcoal is the text near-black for #780cb6: softer than #000 and cool enough to feel like part of the same palette. — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #780cb6 in two real palettes: Gemstone and Wells Fargo's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #780cb6: two real palettes: 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). — https://brandsweets.com/colors/deepskyblue
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #780cb6 in two real palettes: Taco Bell's brand system and Circuit, as the accent. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com), Circuit (https://brandsweets.com/palettes/technical#circuit). — https://brandsweets.com/colors/lightseagreen

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

- On white (#ffffff): 8.31:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.53:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ad36f2 (4.59:1); AA: background → #bfbfbf (4.52:1); AAA: text → #c674f6 (7.23:1); AAA: background → #ededed (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/780cb6-ba9cc4-bbcb62-2d1f2c-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: "#780cb6" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.