# #50109d

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

## Values

- Hex: `#50109d`
- RGB: rgb(80, 16, 157)
- HSL: hsl(267, 82%, 34%)
- OKLCH: oklch(0.382 0.197 295)
- Relative luminance: 0.0451
- Nearest named color: Intergalactic Settlement (#5b1e8b, Δ 4.329) — https://brandsweets.com/colors/intergalactic-settlement
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/50109d

## Tints & shades

- Tints (toward white): #5e12ba, #6e16da, #7d25e9, #9145ed, #a161ef, #b27df2, #c59ef5, #d6b9f8, #e9dafb, #f9f6fe
- Shades (toward black): #490e90, #420d82, #3b0b74, #330a66, #2c0958, #25074a, #1e063c, #17052e, #100320, #090213

## Harmonies

- Complementary: #5e9e10
- Analogous: #10179e, #97109e
- Triadic: #9e5010, #109e50
- Split-complementary: #9e9710, #179e10
- Tetradic: #9e1017, #5e9e10, #109e97

## Colors that go with #50109d

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

- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #50109d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Discord (https://brandsweets.com/colors/brands/discord), Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/royalblue
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Kraken's brand system and Blue Mono put Midnight Blue beside #50109d, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Visa (https://brandsweets.com/colors/brands/visa-com). — https://brandsweets.com/colors/midnightblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #50109d: 4 real palettes, including FedEx's brand system and Hershey's's brand system, as the accent. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #50109d 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
- **Crimson** #dc143c [pool] — Crimson is paired with #50109d in 3 real palettes, including Wells Fargo's brand system and Pepsi's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/crimson
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #50109d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Forest Green** #228b22 [harmony: split] — Forest Green is a split-complement of #50109d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/forestgreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #50109d: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 11.04:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.9:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #964fee (4.65:1); AA: background → #a6a6a6 (4.54:1); AAA: text → #b27df2 (7.11:1); AAA: background → #cfcfcf (7.09:1)

## Brands using this color

- **Taco Bell** — primary #501098 (Δ 0.849) — https://brandsweets.com/colors/brands/tacobell-com

## 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/50109d-b39cc4-dfda4e-2c1f2d-e9eaf1?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: "#50109d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.