# #370538

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

## Values

- Hex: `#370538`
- RGB: rgb(55, 5, 56)
- HSL: hsl(299, 84%, 12%)
- OKLCH: oklch(0.243 0.102 327.3)
- Relative luminance: 0.0121
- Nearest named color: Dark Purple (#35063e, Δ 1.283) — https://brandsweets.com/colors/dark-purple
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/370538

## Tints & shades

- Tints (toward white): #610963, #860c88, #b010b2, #d513d8, #e92ced, #ee56f0, #f27cf4, #f6a6f7, #facbfb, #fef6fe
- Shades (toward black): #330434, #2e042f, #2e042f, #2a042a, #250326, #200321, #1c021c, #1c021c, #170217, #120213

## Harmonies

- Complementary: #063805
- Analogous: #1e0538, #38051f
- Triadic: #383705, #053837
- Split-complementary: #1f3805, #05381e
- Tetradic: #381e05, #063805, #051f38

## Colors that go with #370538

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #370538: softer than #000 and cool enough to feel like part of the same palette. Seen in: Volkswagen (https://brandsweets.com/colors/brands/vw-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/charcoal
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #370538: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Clinic (https://brandsweets.com/palettes/clean#clinic), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Alpine (https://brandsweets.com/palettes/cool#alpine), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/teal
- **Forest Green** #228b22 [harmony, pool: complementary] — Forest Green sits directly opposite #370538 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/forestgreen
- **Amber** #ffbf00 [pool] — Amber is paired with #370538 in 11 real palettes, including Southwest Airlines's brand system and Blueprint, as the accent. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including Sketch's brand system and Warp's brand system put Blue beside #370538, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Penpot (https://brandsweets.com/colors/brands/penpot-app), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [harmony, pool: analogous] — Blue Violet is #370538's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/blueviolet
- **Brown** #a52a2a [pool] — 4 real palettes, including Woodsmoke and Garnet put Brown beside #370538, as the accent. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Garnet (https://brandsweets.com/palettes/warm#garnet), Typewriter (https://brandsweets.com/palettes/editorial#typewriter), Velvet (https://brandsweets.com/palettes/luxury#velvet). — https://brandsweets.com/colors/brown
- **Burlywood** #deb887 [pool] — Burlywood is paired with #370538 in 4 real palettes, including Kiln and Coffee Bar, as the accent. Seen in: Kiln (https://brandsweets.com/palettes/dark#kiln), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Coastal (https://brandsweets.com/palettes/cool#coastal), Velvet (https://brandsweets.com/palettes/luxury#velvet). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 16.92:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.24:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #cb12ce (4.52:1); AA: background → #858585 (4.58:1); AAA: text → #ed51f0 (7.04:1); AAA: background → #a8a8a8 (7.11:1)

## 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/370538-c19fbd-96cb62-2d1f27-ede9f1?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: "#370538" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.