# #351579

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

## Values

- Hex: `#351579`
- RGB: rgb(53, 21, 121)
- HSL: hsl(259, 70%, 28%)
- OKLCH: oklch(0.317 0.154 288.9)
- Relative luminance: 0.0267
- Nearest named color: Explorer of the Galaxies (#3a1f76, Δ 2.194) — https://brandsweets.com/colors/explorer-of-the-galaxies
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/351579

## Tints & shades

- Tints (toward white): #421b98, #5020b6, #5d25d4, #7240dd, #885fe3, #9f7de8, #b59bed, #ccbaf3, #e2d8f8, #f9f6fd
- Shades (toward black): #311471, #2c1264, #28105b, #220e4e, #1e0c45, #1b0b3d, #150830, #110727, #0b051a, #080311

## Harmonies

- Complementary: #5a7915
- Analogous: #152879, #671579
- Triadic: #793515, #157935
- Split-complementary: #796715, #287915
- Tetradic: #791528, #5a7915, #157967

## Colors that go with #351579

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 #351579's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Discord (https://brandsweets.com/colors/brands/discord), Confluent (https://brandsweets.com/colors/brands/confluent-io), Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #351579: 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), Boeing (https://brandsweets.com/colors/brands/boeing-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #351579 in 5 real palettes, including Casper Sleep's brand system and Nintendo's brand system, as the lead colour. Seen in: Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Pepsi (https://brandsweets.com/colors/brands/pepsi-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #351579: 5 real palettes, including Bank of America's brand system and Panasonic's brand system, as the accent. Seen in: Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #351579: 7 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 #351579 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
- **Blue** #0000ff [pool] — 3 real palettes, including Sketch's brand system and Procter & Gamble's brand system put Blue beside #351579, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/blue
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #351579 in 3 real palettes, including Taco Bell's brand system and Confluent's brand system, as the accent. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/lightseagreen

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

- On white (#ffffff): 13.68:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.53:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #855ae2 (4.56:1); AA: background → #949494 (4.51:1); AAA: text → #a586ea (7.2:1); AAA: background → #bababa (7.05:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/351579-ad9cc4-dfc74e-2a1f2d-e9ebf1?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: "#351579" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.