# #4f3b63

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

## Values

- Hex: `#4f3b63`
- RGB: rgb(79, 59, 99)
- HSL: hsl(270, 25%, 31%)
- OKLCH: oklch(0.392 0.07 306.4)
- Relative luminance: 0.0569
- Nearest named color: Long Passionate Night (#5b365e, Δ 2.54) — https://brandsweets.com/colors/long-passionate-night
- Moods: cool, muted
- Page: https://brandsweets.com/colors/4f3b63

## Tints & shades

- Tints (toward white): #614979, #70548c, #8263a1, #9479af, #a68fbc, #b5a3c8, #c7b9d5, #d9cfe2, #e8e2ee, #faf9fb
- Shades (toward black): #473659, #423253, #3b2c49, #332640, #2e2239, #261d30, #1f1726, #17111d, #120d16, #0a080d

## Harmonies

- Complementary: #4f633b
- Analogous: #3b3b63, #633b63
- Triadic: #634f3b, #3b634f
- Split-complementary: #63633b, #3b633b
- Tetradic: #633b3b, #4f633b, #3b6363

## Colors that go with #4f3b63

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

- **Blue** #0000ff [pool] — 5 real palettes, including Alaska Airlines's brand system and Dunkin''s brand system put Blue beside #4f3b63, as the accent. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #4f3b63: 5 real palettes, including Bramble and Notion's brand system, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Notion (https://brandsweets.com/colors/brands/notion), Dusk (https://brandsweets.com/palettes/cool#dusk), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #4f3b63 in 9 real palettes, including Codecademy's brand system and Marvel's brand system, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4f3b63: 10 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent. Seen in: 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), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #4f3b63 in 4 real palettes, including Sapphire & Gold and Disney's brand system, as the supporting colour. Seen in: Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Disney (https://brandsweets.com/colors/brands/disney-com), Candlelight (https://brandsweets.com/palettes/warm#candlelight), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Microsoft's brand system and First Snow put Midnight Blue beside #4f3b63, as the accent. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/midnightblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #4f3b63: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #4f3b63: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Asana (https://brandsweets.com/colors/brands/asana-com), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen

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

- On white (#ffffff): 9.82:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.14:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8769a5 (4.59:1); AA: background → #b0b0b0 (4.53:1); AAA: text → #a38cba (7.02:1); AAA: background → #dbdbdb (7.09:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4f3b63-b59cc4-c9cb62-2c1f2d-eae9f1?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: "#4f3b63" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.