# #543776

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

## Values

- Hex: `#543776`
- RGB: rgb(84, 55, 118)
- HSL: hsl(268, 36%, 34%)
- OKLCH: oklch(0.401 0.106 303.2)
- Relative luminance: 0.0593
- Nearest named color: Galactic Compass (#48357b, Δ 2.542) — https://brandsweets.com/colors/galactic-compass
- Moods: cool, modern
- Page: https://brandsweets.com/colors/543776

## Tints & shades

- Tints (toward white): #64418b, #754da3, #845cb2, #9774be, #a689c8, #b69ed1, #c8b6dd, #d8cbe7, #eae3f2, #faf8fc
- Shades (toward black): #4d336c, #462e61, #3e2957, #37244c, #2f1f42, #281a37, #20152d, #191023, #110b18, #0a070e

## Harmonies

- Complementary: #597637
- Analogous: #373a76, #743776
- Triadic: #765537, #377655
- Split-complementary: #767437, #3a7637
- Tetradic: #76373a, #597637, #377674

## Colors that go with #543776

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 [pool] — Crimson is paired with #543776 in 7 real palettes, including Wells Fargo's brand system and Marvel's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #543776: 9 real palettes, including Hinge's brand system and HP's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), HP (https://brandsweets.com/colors/brands/hp-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 #543776, as the accent. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Gillette (https://brandsweets.com/colors/brands/gillette-com). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #543776: 6 real palettes, including First Snow and Glacier, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Glacier (https://brandsweets.com/palettes/cool#glacier), Macaron (https://brandsweets.com/palettes/light#macaron), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #543776 in 8 real palettes, including Zoom's brand system and Nokia's brand system, as the lead colour. Seen in: Zoom (https://brandsweets.com/colors/brands/zoom-us), Nokia (https://brandsweets.com/colors/brands/nokia-com), Console Light (https://brandsweets.com/palettes/technical#console-light), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #543776: 6 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
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #543776: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke
- **Dark Olive Green** #556b2f [harmony: complementary] — Dark Olive Green sits directly opposite #543776 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): 9.61:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.19:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8963b6 (4.52:1); AA: background → #b3b3b3 (4.58:1); AAA: text → #a689c8 (7.03:1); AAA: background → #dedede (7.14:1)

## 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/543776-b39cc4-dfdc4e-2c1f2d-e9eaf1?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: "#543776" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.