# #5428cc

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

## Values

- Hex: `#5428cc`
- RGB: rgb(84, 40, 204)
- HSL: hsl(256, 67%, 48%)
- OKLCH: oklch(0.453 0.229 285)
- Relative luminance: 0.0776
- Nearest named color: Blurple (#5539cc, Δ 2.672) — https://brandsweets.com/colors/blurple
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/5428cc

## Tints & shades

- Tints (toward white): #6237d7, #724cdc, #8361e0, #9477e4, #a58ce8, #b5a1ec, #c6b7f1, #d7ccf5, #e8e1f9, #f8f6fd
- Shades (toward black): #4d25bb, #4421a6, #3d1d95, #351980, #2e166f, #27135e, #1e0e48, #170b37, #0e0722, #070311

## Harmonies

- Complementary: #a1cc28
- Analogous: #284fcc, #a628cc
- Triadic: #cc5428, #28cc54
- Split-complementary: #cca628, #4fcc28
- Tetradic: #cc284f, #a1cc28, #28cca6

## Colors that go with #5428cc

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 #5428cc: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #5428cc's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), NHL (https://brandsweets.com/colors/brands/nhl-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Walmart (https://brandsweets.com/colors/brands/walmart-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #5428cc — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/seagreen
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #5428cc: 6 real palettes, including Zillow's brand system and Unilever's brand system, as the supporting colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Oreo (https://brandsweets.com/colors/brands/oreo-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #5428cc: 7 real palettes, including Qualcomm's brand system and Blue Mono, as the supporting colour. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), 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 #5428cc in 9 real palettes, including Gemstone and Behance's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Behance (https://brandsweets.com/colors/brands/behance-net), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #5428cc: 6 real palettes, including Unilever's brand system and Intel's brand system, as the accent. Seen in: Unilever (https://brandsweets.com/colors/brands/unilever-com), Intel (https://brandsweets.com/colors/brands/intel-com), Dairy Queen (https://brandsweets.com/colors/brands/dairyqueen-com), Pixar (https://brandsweets.com/colors/brands/pixar-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #5428cc: 4 real palettes, including Coursera's brand system and Cargo's brand system, as the supporting colour. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), Cargo (https://brandsweets.com/colors/brands/cargo-site), Readymag (https://brandsweets.com/colors/brands/readymag-com), Samsung (https://brandsweets.com/colors/brands/samsung-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 8.23:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.55:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #805ddf (4.55:1); AA: background → #c2c2c2 (4.62:1); AAA: text → #a188e7 (7.19:1); AAA: background → #ededed (7.03:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/5428cc-ab9cc4-dfbf4e-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: "#5428cc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.