# #55428f

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

## Values

- Hex: `#55428f`
- RGB: rgb(85, 66, 143)
- HSL: hsl(255, 37%, 41%)
- OKLCH: oklch(0.439 0.122 291.9)
- Relative luminance: 0.0781
- Nearest named color: darkslateblue (#483d8b, Δ 2.758) — https://brandsweets.com/colors/darkslateblue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/55428f

## Tints & shades

- Tints (toward white): #624ca4, #6e57b2, #806cbc, #9281c5, #a496cf, #b3a8d7, #c6bde0, #d8d2ea, #e7e3f2, #f9f8fc
- Shades (toward black): #4d3b81, #473777, #3e3069, #362a5b, #302550, #271f42, #1f1834, #171226, #110d1c, #08060e

## Harmonies

- Complementary: #7c8f42
- Analogous: #42558f, #7c428f
- Triadic: #8f5542, #428f55
- Split-complementary: #8f7c42, #558f42
- Tetradic: #8f4255, #7c8f42, #428f7c

## Colors that go with #55428f

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 #55428f: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Hinge (https://brandsweets.com/colors/brands/hinge-co), Amazon (https://brandsweets.com/colors/brands/amazon-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #55428f's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), FedEx (https://brandsweets.com/colors/brands/fedex-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Capital One (https://brandsweets.com/colors/brands/capitalone-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 7 real palettes, including CVS's brand system and Tesco's brand system put Blue beside #55428f, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Pixar (https://brandsweets.com/colors/brands/pixar-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #55428f: 4 real palettes, including Blue Mono and Coca-Cola's brand system, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Peacock (https://brandsweets.com/colors/brands/peacocktv-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #55428f in 11 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), Costco (https://brandsweets.com/colors/brands/costco-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #55428f: 13 real palettes, including HP's brand system and Unilever's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 16 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #55428f, 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), Kraken (https://brandsweets.com/colors/brands/kraken-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #55428f in 13 real palettes, including Nokia's brand system and Fivetran blue's brand system, as the supporting colour. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Motorola (https://brandsweets.com/colors/brands/motorola-com). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 8.2:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.56:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7d69ba (4.6:1); AA: background → #c2c2c2 (4.6:1); AAA: text → #9e8fcc (7.25:1); AAA: background → #ededed (7:1)

## 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/55428f-ab9cc4-dfbd4e-291f2d-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: "#55428f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.