# #55437a

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

## Values

- Hex: `#55437a`
- RGB: rgb(85, 67, 122)
- HSL: hsl(260, 29%, 37%)
- OKLCH: oklch(0.427 0.09 297.5)
- Relative luminance: 0.0735
- Nearest named color: Drifting Violet (#5b4276, Δ 1.23) — https://brandsweets.com/colors/drifting-violet
- Moods: cool, muted
- Page: https://brandsweets.com/colors/55437a

## Tints & shades

- Tints (toward white): #634e8d, #7159a1, #816bae, #927fb8, #a696c5, #b6a9d0, #c7bddb, #d8d1e6, #e9e5f1, #f9f8fb
- Shades (toward black): #4e3e70, #453663, #3e3159, #372b4f, #302645, #271f38, #20192e, #191424, #100d17, #09070d

## Harmonies

- Complementary: #677a43
- Analogous: #434c7a, #71437a
- Triadic: #7a5543, #437a55
- Split-complementary: #7a7143, #4c7a43
- Tetradic: #7a434c, #677a43, #437a71

## Colors that go with #55437a

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

- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #55437a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Capital One (https://brandsweets.com/colors/brands/capitalone-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 4 real palettes, including CVS's brand system and Tesco's brand system put Blue beside #55437a, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #55437a in 8 real palettes, including Wells Fargo's brand system and Walgreens's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #55437a: 13 real palettes, including HP's brand system and Hinge's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), 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] — 10 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #55437a, as that palette's text colour. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), FIFA (https://brandsweets.com/colors/brands/fifa-com). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #55437a: 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), Nursery (https://brandsweets.com/palettes/light#nursery), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #55437a in 11 real palettes, including Console Light and Stripe's brand system, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Stripe (https://brandsweets.com/colors/brands/stripe), Zoom (https://brandsweets.com/colors/brands/zoom-us), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/royalblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #55437a: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 8.5:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #816bae (4.65:1); AA: background → #bdbdbd (4.53:1); AAA: text → #a08fc1 (7.19:1); AAA: background → #ebebeb (7.13:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/55437a-ae9cc4-dfc94e-2a1f2d-e9ebf1?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: "#55437a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.