# #540d33

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

## Values

- Hex: `#540d33`
- RGB: rgb(84, 13, 51)
- HSL: hsl(328, 73%, 19%)
- OKLCH: oklch(0.303 0.108 353.2)
- Relative luminance: 0.0241
- Nearest named color: Drops of God (#571e2f, Δ 3.797) — https://brandsweets.com/colors/drops-of-god
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/540d33

## Tints & shades

- Tints (toward white): #771348, #9a185e, #be1e73, #dd2788, #e34a9c, #e869ad, #ed8cc0, #f3b0d3, #f8d3e7, #fef6fa
- Shades (toward black): #4f0c30, #470b2b, #420a28, #390923, #350820, #2c071b, #280618, #1f0513, #1a0410, #12030b

## Harmonies

- Complementary: #0d542e
- Analogous: #510d54, #540d0f
- Triadic: #33540d, #0d3354
- Split-complementary: #0f540d, #0d5451
- Tetradic: #54510d, #0d542e, #0d0f54

## Colors that go with #540d33

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 #540d33'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
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #540d33 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/teal
- **Blue** #0000ff [pool] — 6 real palettes, including Tim Hortons's brand system and Sketch's brand system put Blue beside #540d33, 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #540d33: 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 #540d33: 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 #540d33 in 6 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #540d33: 10 real palettes, including Heinz's brand system and Box's brand system, as the accent. Seen in: Heinz (https://brandsweets.com/colors/brands/heinz-com), Box (https://brandsweets.com/colors/brands/box-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #540d33: 6 real palettes, including Chipotle's brand system and Fenty Beauty's brand system, as the lead colour. Seen in: Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Fenty Beauty (https://brandsweets.com/colors/brands/fentybeauty-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), Datadog (https://brandsweets.com/colors/brands/datadoghq-com). — https://brandsweets.com/colors/firebrick

## 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 → #dd2286 (4.65:1); AA: background → #949494 (4.67:1); AAA: text → #e869ad (7.06:1); AAA: background → #b8b8b8 (7.14:1)

## Brands using this color

- **Qatar Airways** — accent #5c0931 (Δ 1.839) — https://brandsweets.com/colors/brands/qatarairways-com

## 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/540d33-c19fad-64cb62-2d1f21-f1e9f1?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: "#540d33" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.