# #520f37

A color — warm, vivid, dark, playful, bold, luxury. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#520f37`
- RGB: rgb(82, 15, 55)
- HSL: hsl(324, 69%, 19%)
- OKLCH: oklch(0.303 0.107 348.8)
- Relative luminance: 0.0241
- Nearest named color: Blackberry (#43182f, Δ 3.88) — https://brandsweets.com/colors/blackberry
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/520f37

## Tints & shades

- Tints (toward white): #74154e, #971c66, #b9227d, #d82c93, #df4ea5, #e46cb4, #ea8fc6, #f1b1d7, #f7d4e9, #fdf6fb
- Shades (toward black): #4e0e34, #450d2e, #410c2c, #380a26, #340923, #2b081d, #27071a, #1e0614, #1a0511, #11030c

## Harmonies

- Complementary: #0f522a
- Analogous: #4b0f52, #520f16
- Triadic: #37520f, #0f3752
- Split-complementary: #16520f, #0f524b
- Tetradic: #524b0f, #0f522a, #0f1652

## Colors that go with #520f37

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

- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #520f37's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Burger King (https://brandsweets.com/colors/brands/bk-com), M&M's (https://brandsweets.com/colors/brands/mms-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #520f37 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Wellness (https://brandsweets.com/palettes/warm#wellness), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/seagreen
- **Blue** #0000ff [pool] — 6 real palettes, including Tim Hortons's brand system and Sketch's brand system put Blue beside #520f37, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #520f37: 4 real palettes, including Clean Beauty and Dusk, as the lead colour. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk), SoFi (https://brandsweets.com/colors/brands/sofi-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/cadetblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #520f37: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Squarespace (https://brandsweets.com/colors/brands/squarespace-com), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [pool] — Designers have shipped Copper with #520f37: 9 real palettes, including Chipotle's brand system and Bramble, as the accent. Seen in: Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Bramble (https://brandsweets.com/palettes/muted#bramble), Bakery (https://brandsweets.com/palettes/warm#bakery), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #520f37 in 5 real palettes, including Oatmeal and Cider, as the lead colour. Seen in: Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Cider (https://brandsweets.com/palettes/warm#cider), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #520f37: 4 real palettes, including Astro's brand system and Kraken's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Kraken (https://brandsweets.com/colors/brands/kraken-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Cursor (https://brandsweets.com/colors/brands/cursor-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 14.17:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.48:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d72891 (4.6:1); AA: background → #949494 (4.67:1); AAA: text → #e46cb4 (7.1:1); AAA: background → #b8b8b8 (7.14:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold
- luxury: https://brandsweets.com/fonts/mood/luxury

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/520f37-c19faf-6bcb62-2d1f22-f0e9f1?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: "#520f37" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.