# #400155

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

## Values

- Hex: `#400155`
- RGB: rgb(64, 1, 85)
- HSL: hsl(285, 98%, 17%)
- OKLCH: oklch(0.279 0.136 314.7)
- Relative luminance: 0.0177
- Nearest named color: Clairvoyant (#480656, Δ 2.146) — https://brandsweets.com/colors/clairvoyant
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/400155

## Tints & shades

- Tints (toward white): #5f017e, #7d02a7, #9c02cf, #ba02f7, #c82bfd, #d353fd, #dd7cfe, #e8a4fe, #f2cdfe, #fcf5ff
- Shades (toward black): #3d0151, #350147, #310142, #2e013d, #2a0138, #22002d, #1e0028, #1b0023, #130019, #0f0014

## Harmonies

- Complementary: #165601
- Analogous: #160156, #560141
- Triadic: #564101, #015641
- Split-complementary: #415601, #015616
- Tetradic: #561601, #165601, #014156

## Colors that go with #400155

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 #400155: softer than #000 and cool enough to feel like part of the same palette. Seen in: Volkswagen (https://brandsweets.com/colors/brands/vw-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #400155: 6 real palettes, including Discover's brand system and Heinz's brand system, as the supporting colour. Seen in: Discover (https://brandsweets.com/colors/brands/discover-com), Heinz (https://brandsweets.com/colors/brands/heinz-com), Open House (https://brandsweets.com/palettes/clean#open-house), Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Visa's brand system and Crest's brand system put Midnight Blue beside #400155, as the lead colour. Seen in: Visa (https://brandsweets.com/colors/brands/visa-com), Crest (https://brandsweets.com/colors/brands/crest-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Gillette (https://brandsweets.com/colors/brands/gillette-com). — https://brandsweets.com/colors/midnightblue
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #400155 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/forestgreen
- **Blue** #0000ff [pool] — 3 real palettes, including Sketch's brand system and Penpot's brand system put Blue beside #400155, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue
- **Light Pink** #ffb6c1 [pool] — Light Pink shows up next to #400155 in 3 real palettes, including Railway's brand system and Pastel Pop, as the supporting colour. Seen in: Railway (https://brandsweets.com/colors/brands/railway-app), Pastel Pop (https://brandsweets.com/palettes/playful#pastel-pop), Sorbet (https://brandsweets.com/palettes/light#sorbet). — https://brandsweets.com/colors/lightpink
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #400155: 3 real palettes, including First Snow and Opera's brand system, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Opera (https://brandsweets.com/colors/brands/opera-com), Sorbet (https://brandsweets.com/palettes/light#sorbet). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #400155 in 3 real palettes, including Telehealth and Penpot's brand system, as the lead colour. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Penpot (https://brandsweets.com/colors/brands/penpot-app), Discord (https://brandsweets.com/colors/brands/discord). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 15.52:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.35:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #be03fc (4.61:1); AA: background → #8c8c8c (4.61:1); AAA: text → #d762fd (7.05:1); AAA: background → #b0b0b0 (7.15:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/400155-bc9fc1-afcb62-2d1f2b-ebe9f1?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: "#400155" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.