# #50139a

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

## Values

- Hex: `#50139a`
- RGB: rgb(80, 19, 154)
- HSL: hsl(267, 78%, 34%)
- OKLCH: oklch(0.381 0.192 295.6)
- Relative luminance: 0.045
- Nearest named color: Intergalactic Settlement (#5b1e8b, Δ 3.881) — https://brandsweets.com/colors/intergalactic-settlement
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/50139a

## Tints & shades

- Tints (toward white): #5e16b6, #6f1ad5, #7e2ae5, #9149e9, #a265ec, #b280ef, #c5a0f3, #d6bbf7, #e9dbfb, #faf6fe
- Shades (toward black): #49118d, #42107f, #3b0e71, #340c64, #2d0b56, #260949, #1f073b, #18062d, #100420, #090212

## Harmonies

- Complementary: #5d9a13
- Analogous: #131a9a, #94139a
- Triadic: #9a5013, #139a50
- Split-complementary: #9a9413, #1a9a13
- Tetradic: #9a131a, #5d9a13, #139a94

## Colors that go with #50139a

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 #50139a'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
- **Crimson** #dc143c [pool] — Crimson is paired with #50139a in 4 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), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Kraken's brand system and Blue Mono put Midnight Blue beside #50139a, 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 #50139a: 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 #50139a 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
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #50139a: 3 real palettes, including Zillow's brand system and Unilever's brand system, as the supporting colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com). — https://brandsweets.com/colors/cobalt
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #50139a — 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #50139a: 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): 11.05:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.9:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #944ee9 (4.53:1); AA: background → #a6a6a6 (4.54:1); AAA: text → #b280ef (7.23:1); AAA: background → #cfcfcf (7.09:1)

## Brands using this color

- **Taco Bell** — primary #501098 (Δ 0.482) — 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/50139a-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: "#50139a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.