# #552d71

A color — cool, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#552d71`
- RGB: rgb(85, 45, 113)
- HSL: hsl(275, 43%, 31%)
- OKLCH: oklch(0.382 0.117 309.1)
- Relative luminance: 0.05
- Nearest named color: Imperial Purple (#5b3167, Δ 2.544) — https://brandsweets.com/colors/imperial-purple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/552d71

## Tints & shades

- Tints (toward white): #68378b, #7840a0, #8b4cb8, #9c66c2, #ac7fcc, #ba95d5, #cbafdf, #dbc8e9, #eadef2, #faf8fc
- Shades (toward black): #4d2966, #47265f, #3f2154, #371d49, #311a42, #291637, #21112c, #190d21, #130a1a, #0b060f

## Harmonies

- Complementary: #49712d
- Analogous: #332d71, #712d6b
- Triadic: #71552d, #2d7155
- Split-complementary: #6b712d, #2d7133
- Tetradic: #71332d, #49712d, #2d6b71

## Colors that go with #552d71

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 #552d71: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #552d71 in 7 real palettes, including Lenovo's brand system and Wells Fargo's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-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 #552d71: 7 real palettes, including Hinge's brand system and Slack's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Slack (https://brandsweets.com/colors/brands/slack-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Microsoft's brand system and First Snow put Midnight Blue beside #552d71, as the accent. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Gillette (https://brandsweets.com/colors/brands/gillette-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #552d71: 4 real palettes, including First Snow and Macaron, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Macaron (https://brandsweets.com/palettes/light#macaron), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #552d71 in 7 real palettes, including Confluent's brand system and Zoom's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Zoom (https://brandsweets.com/colors/brands/zoom-us), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #552d71: 5 real palettes, including FedEx's brand system and Auth0's brand system, as the accent. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/steelblue
- **Dark Olive Green** #556b2f [harmony: complementary] — Dark Olive Green sits directly opposite #552d71 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/darkolivegreen

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

- On white (#ffffff): 10.5:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #975fbf (4.71:1); AA: background → #ababab (4.57:1); AAA: text → #b187cf (7.24:1); AAA: background → #d4d4d4 (7.08:1)

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/552d71-b89cc4-c0cb62-2d1f2d-eae9f1?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: "#552d71" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.