# #510995

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

## Values

- Hex: `#510995`
- RGB: rgb(81, 9, 149)
- HSL: hsl(271, 89%, 31%)
- OKLCH: oklch(0.371 0.193 298.2)
- Relative luminance: 0.0411
- Nearest named color: Indigo Static (#4b0183, Δ 3.461) — https://brandsweets.com/colors/indigo-static
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/510995

## Tints & shades

- Tints (toward white): #640bb7, #740cd4, #8613f1, #9735f3, #a856f5, #b773f7, #c995f9, #dab7fb, #e9d4fc, #faf5fe
- Shades (toward black): #4a0887, #44077d, #3c066f, #350660, #2f0557, #270448, #20033a, #18032b, #120222, #0b0113

## Harmonies

- Complementary: #4d9509
- Analogous: #0b0995, #950993
- Triadic: #955109, #099551
- Split-complementary: #939509, #09950b
- Tetradic: #950b09, #4d9509, #099395

## Colors that go with #510995

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

- **Midnight Blue** #191970 [pool] — 4 real palettes, including Kraken's brand system and Visa's brand system put Midnight Blue beside #510995, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Visa (https://brandsweets.com/colors/brands/visa-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #510995'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). — https://brandsweets.com/colors/royalblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #510995 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #510995: 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), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #510995 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), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #510995: 3 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). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #510995 — 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 #510995: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/forestgreen

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

- On white (#ffffff): 11.52:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.82:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9f43f4 (4.58:1); AA: background → #a3a3a3 (4.57:1); AAA: text → #ba78f7 (7.12:1); AAA: background → #cccccc (7.17:1)

## Brands using this color

- **Taco Bell** — primary #501098 (Δ 0.839) — https://brandsweets.com/colors/brands/tacobell-com
- **FedEx** — primary #4d148c (Δ 1.761) — https://brandsweets.com/colors/brands/fedex-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/510995-b59cc4-c7cb62-2c1f2d-eae9f1?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: "#510995" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.