# #4d287b

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

## Values

- Hex: `#4d287b`
- RGB: rgb(77, 40, 123)
- HSL: hsl(267, 51%, 32%)
- OKLCH: oklch(0.372 0.135 300.4)
- Relative luminance: 0.0453
- Nearest named color: Her Highness (#432e6f, Δ 3.068) — https://brandsweets.com/colors/her-highness
- Moods: cool, modern
- Page: https://brandsweets.com/colors/4d287b

## Tints & shades

- Tints (toward white): #5e3196, #6d38ad, #7e46c3, #8e5dcb, #a178d3, #b493dc, #c4aae4, #d7c5ec, #e7dcf4, #faf7fd
- Shades (toward black): #462470, #3f2064, #3a1e5c, #331a51, #2c1645, #24133a, #1d0f2e, #180c27, #11091b, #0a050f

## Harmonies

- Complementary: #567b28
- Analogous: #282c7b, #77287b
- Triadic: #7b4d28, #287b4d
- Split-complementary: #7b7728, #2c7b28
- Tetradic: #7b282c, #567b28, #287b77

## Colors that go with #4d287b

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

- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #4d287b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Discord (https://brandsweets.com/colors/brands/discord), Nokia (https://brandsweets.com/colors/brands/nokia-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Wayfair (https://brandsweets.com/colors/brands/wayfair-com). — https://brandsweets.com/colors/royalblue
- **Blue** #0000ff [pool] — 4 real palettes, including Zillow's brand system and Alaska Airlines's brand system put Blue beside #4d287b, as the lead colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #4d287b: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #4d287b in 7 real palettes, including Casper Sleep's brand system and Marvel's brand system, as the lead colour. Seen in: Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4d287b: 8 real palettes, including Hinge's brand system and Slack's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Slack (https://brandsweets.com/colors/brands/slack-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Gillette's brand system and Microsoft's brand system put Midnight Blue beside #4d287b, as the supporting colour. Seen in: Gillette (https://brandsweets.com/colors/brands/gillette-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Visa (https://brandsweets.com/colors/brands/visa-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #4d287b: 4 real palettes, including Glacier and First Snow, as the supporting colour. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), First Snow (https://brandsweets.com/palettes/cool#first-snow), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/powderblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #4d287b: 6 real palettes, including FedEx's brand system and Fintech Trust, as the accent. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue

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

- On white (#ffffff): 11.02:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.91:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8e5dcb (4.58:1); AA: background → #a6a6a6 (4.53:1); AAA: text → #ac88d8 (7.27:1); AAA: background → #cfcfcf (7.08:1)

## 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/4d287b-b39cc4-dfda4e-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: "#4d287b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.