# #4f4171

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

## Values

- Hex: `#4f4171`
- RGB: rgb(79, 65, 113)
- HSL: hsl(258, 27%, 35%)
- OKLCH: oklch(0.412 0.08 296.1)
- Relative luminance: 0.0664
- Nearest named color: Haunted Candelabra (#57446a, Δ 2.213) — https://brandsweets.com/colors/haunted-candelabra
- Moods: cool, muted
- Page: https://brandsweets.com/colors/4f4171

## Tints & shades

- Tints (toward white): #5d4c85, #6d599b, #7d6aa9, #8e7db5, #a294c2, #b3a8cd, #c4bbd8, #d5cee3, #e8e5f0, #f9f9fb
- Shades (toward black): #493c68, #42365e, #3b3054, #342b4a, #2d2541, #241e34, #1e182a, #171320, #100d17, #09070d

## Harmonies

- Complementary: #637141
- Analogous: #414b71, #684171
- Triadic: #715041, #417150
- Split-complementary: #716841, #4b7141
- Tetradic: #71414b, #637141, #417168

## Colors that go with #4f4171

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

- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #4f4171's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Capital One (https://brandsweets.com/colors/brands/capitalone-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 5 real palettes, including Alaska Airlines's brand system and CVS's brand system put Blue beside #4f4171, as the accent. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Jeep (https://brandsweets.com/colors/brands/jeep-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #4f4171 in 8 real palettes, including Wells Fargo's brand system and Codecademy's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4f4171: 12 real palettes, including HP's brand system and Hinge's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), 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). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 12 real palettes, including Microsoft's brand system and First Snow put Midnight Blue beside #4f4171, as the accent. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Plaid (https://brandsweets.com/colors/brands/plaid-com), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com). — https://brandsweets.com/colors/midnightblue
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #4f4171 in 5 real palettes, including Tumblr's brand system and NASA's brand system, as the accent. Seen in: Tumblr (https://brandsweets.com/colors/brands/tumblr-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Tide (https://brandsweets.com/colors/brands/tide-com), Audi (https://brandsweets.com/colors/brands/audi-com). — https://brandsweets.com/colors/orangered
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #4f4171: 6 real palettes, including First Snow and Macaron, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Macaron (https://brandsweets.com/palettes/light#macaron), Stone (https://brandsweets.com/palettes/neutral#stone), Nursery (https://brandsweets.com/palettes/light#nursery). — https://brandsweets.com/colors/powderblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #4f4171: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 9.02:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.33:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7d6aa9 (4.51:1); AA: background → #b8b8b8 (4.55:1); AAA: text → #9c8ebe (7.03:1); AAA: background → #e3e3e3 (7.03:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4f4171-ad9cc4-dfc44e-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: "#4f4171" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.