# #540d5e

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

## Values

- Hex: `#540d5e`
- RGB: rgb(84, 13, 94)
- HSL: hsl(293, 76%, 21%)
- OKLCH: oklch(0.329 0.141 322.3)
- Relative luminance: 0.0298
- Nearest named color: Cosmic Explorer (#551155, Δ 1.787) — https://brandsweets.com/colors/cosmic-explorer
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/540d5e

## Tints & shades

- Tints (toward white): #751282, #9116a2, #b21bc5, #cc28e2, #d44be7, #dc6beb, #e48ff0, #edb3f5, #f4d2f9, #fdf6fe
- Shades (toward black): #4d0c55, #490b51, #410a48, #39093f, #34083a, #2c0731, #240628, #1c041f, #18041b, #100212

## Harmonies

- Complementary: #165e0d
- Analogous: #2c0d5e, #5e0d3f
- Triadic: #5e550d, #0d5e55
- Split-complementary: #3f5e0d, #0d5e2c
- Tetradic: #5e2c0d, #165e0d, #0d3f5e

## Colors that go with #540d5e

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

- **Tomato** #ff6347 [pool] — 4 real palettes, including FedEx's brand system and Golden Hour put Tomato beside #540d5e, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/tomato
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #540d5e 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/forestgreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #540d5e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #540d5e in 3 real palettes, including Lenovo's brand system and Marvel's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #540d5e: 3 real palettes, including Hinge's brand system and Heinz's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Heinz (https://brandsweets.com/colors/brands/heinz-com), Slack (https://brandsweets.com/colors/brands/slack-com). — https://brandsweets.com/colors/denim
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #540d5e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Teal** #008080 [harmony: split] — Teal is a split-complement of #540d5e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/teal
- **Blue Violet** #8a2be2 [harmony, pool: analogous] — Blue Violet is #540d5e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 13.16:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #c61edc (4.62:1); AA: background → #999999 (4.62:1); AAA: text → #db66ea (7.1:1); AAA: background → #bdbdbd (7:1)

## 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/540d5e-c19fc1-a1cb62-2d1f29-ece9f1?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: "#540d5e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.