# #42004d

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

## Values

- Hex: `#42004d`
- RGB: rgb(66, 0, 77)
- HSL: hsl(291, 100%, 15%)
- OKLCH: oklch(0.275 0.131 321)
- Relative luminance: 0.0169
- Nearest named color: Romanic Scene (#3b0346, Δ 1.996) — https://brandsweets.com/colors/romanic-scene
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/42004d

## Tints & shades

- Tints (toward white): #640075, #8b00a3, #ad00cc, #d000f5, #de24ff, #e44dff, #ea75ff, #f09eff, #f7ccff, #fdf5ff
- Shades (toward black): #3d0047, #380042, #34003d, #300038, #2b0033, #230029, #1e0024, #1a001f, #160019, #110014

## Harmonies

- Complementary: #0b4d00
- Analogous: #1b004d, #4d0032
- Triadic: #4d4100, #004d41
- Split-complementary: #324d00, #004d1b
- Tetradic: #4d1b00, #0b4d00, #00324d

## Colors that go with #42004d

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] — 4 real palettes, including Sketch's brand system and Tim Hortons's brand system put Blue beside #42004d, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #42004d: 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 #42004d: 6 real palettes, including Heinz's brand system and Discover's brand system, as the accent. Seen in: Heinz (https://brandsweets.com/colors/brands/heinz-com), Discover (https://brandsweets.com/colors/brands/discover-com), Open House (https://brandsweets.com/palettes/clean#open-house), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Tide Pool and Crest's brand system put Midnight Blue beside #42004d, as that palette's text colour. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Crest (https://brandsweets.com/colors/brands/crest-com), Visa (https://brandsweets.com/colors/brands/visa-com), Allbirds (https://brandsweets.com/colors/brands/allbirds-com). — https://brandsweets.com/colors/midnightblue
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #42004d 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
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #42004d: 3 real palettes, including SoFi's brand system and Open House, as the supporting colour. Seen in: SoFi (https://brandsweets.com/colors/brands/sofi-com), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Light Pink** #ffb6c1 [pool] — Light Pink shows up next to #42004d 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 #42004d: 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

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

- On white (#ffffff): 15.69:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.34:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #c700eb (4.63:1); AA: background → #8a8a8a (4.54:1); AAA: text → #e657ff (7.17:1); AAA: background → #b0b0b0 (7.23:1)

## 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/42004d-bf9fc1-a4cb62-2d1f29-ece9f1?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: "#42004d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.