# #531d4f

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

## Values

- Hex: `#531d4f`
- RGB: rgb(83, 29, 79)
- HSL: hsl(304, 48%, 22%)
- OKLCH: oklch(0.334 0.105 330.6)
- Relative luminance: 0.0328
- Nearest named color: Cosmic Explorer (#551155, Δ 2.517) — https://brandsweets.com/colors/cosmic-explorer
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/531d4f

## Tints & shades

- Tints (toward white): #71286c, #8c3186, #aa3ca2, #bf4ab8, #ca68c3, #d586cf, #dea1da, #e8bfe6, #f2d9f0, #fcf7fc
- Shades (toward black): #4b1b48, #441841, #40173d, #391436, #31112f, #2a0f28, #220c20, #1e0b1d, #170816, #0f050e

## Harmonies

- Complementary: #1d5321
- Analogous: #3c1d53, #531d35
- Triadic: #4f531d, #1d4f53
- Split-complementary: #35531d, #1d533c
- Tetradic: #533c1d, #1d5321, #1d3553

## Colors that go with #531d4f

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

- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #531d4f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Mushroom (https://brandsweets.com/palettes/neutral#mushroom). — https://brandsweets.com/colors/seagreen
- **Blue** #0000ff [pool] — 6 real palettes, including Sketch's brand system and Tim Hortons's brand system put Blue beside #531d4f, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #531d4f: 4 real palettes, including Open House and Clean Beauty, as the supporting colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), SoFi (https://brandsweets.com/colors/brands/sofi-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/cadetblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #531d4f: 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), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Squarespace (https://brandsweets.com/colors/brands/squarespace-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [pool] — Designers have shipped Copper with #531d4f: 4 real palettes, including Bramble and Notion's brand system, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Notion (https://brandsweets.com/colors/brands/notion), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #531d4f in 10 real palettes, including Lenovo's brand system and Tim Hortons's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #531d4f: 10 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), Discover (https://brandsweets.com/colors/brands/discover-com), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/denim
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #531d4f: 6 real palettes, including Macaron and Sorbet, as the supporting colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Sorbet (https://brandsweets.com/palettes/light#sorbet), Opera (https://brandsweets.com/colors/brands/opera-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/powderblue

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

- On white (#ffffff): 12.68:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #bd42b5 (4.61:1); AA: background → #9c9c9c (4.62:1); AAA: text → #cf77c9 (7.14:1); AAA: background → #c2c2c2 (7.12:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- 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/531d4f-c19fba-8ecb62-2d1f26-eee9f1?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: "#531d4f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.