# #4c3e89

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

## Values

- Hex: `#4c3e89`
- RGB: rgb(76, 62, 137)
- HSL: hsl(251, 38%, 39%)
- OKLCH: oklch(0.418 0.12 288.7)
- Relative luminance: 0.0679
- Nearest named color: darkslateblue (#483d8b, Δ 0.841) — https://brandsweets.com/colors/darkslateblue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/4c3e89

## Tints & shades

- Tints (toward white): #57479e, #6453b2, #7768bb, #8a7dc5, #9d92ce, #ada4d6, #c0b9df, #d3cee9, #e6e3f2, #f9f8fc
- Shades (toward black): #46397f, #3e3371, #382e66, #302858, #2b234d, #231c3f, #1d1835, #151127, #0f0d1c, #08060e

## Harmonies

- Complementary: #7b893e
- Analogous: #3e5689, #713e89
- Triadic: #894c3e, #3e894c
- Split-complementary: #89713e, #56893e
- Tetradic: #893e56, #7b893e, #3e8971

## Colors that go with #4c3e89

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 #4c3e89: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #4c3e89'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), Glacier (https://brandsweets.com/palettes/cool#glacier), FedEx (https://brandsweets.com/colors/brands/fedex-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 6 real palettes, including CVS's brand system and Tesco's brand system put Blue beside #4c3e89, 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), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #4c3e89: 4 real palettes, including Blue Mono and Peacock's brand system, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Peacock (https://brandsweets.com/colors/brands/peacocktv-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #4c3e89 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), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4c3e89: 14 real palettes, including Unilever's brand system and Warbyparker's brand system, as the accent. Seen in: Unilever (https://brandsweets.com/colors/brands/unilever-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), HP (https://brandsweets.com/colors/brands/hp-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 17 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #4c3e89, 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), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #4c3e89: 4 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), Nikon (https://brandsweets.com/colors/brands/nikon-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/powderblue

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

- On white (#ffffff): 8.91:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7a6bbd (4.67:1); AA: background → #bababa (4.59:1); AAA: text → #9a8ecc (7.12:1); AAA: background → #e6e6e6 (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/4c3e89-a89cc4-dfb34e-281f2d-e9ecf1?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: "#4c3e89" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.