# #423d42

A color — neutral, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#423d42`
- RGB: rgb(66, 61, 66)
- HSL: hsl(300, 4%, 25%)
- OKLCH: oklch(0.367 0.011 325.8)
- Relative luminance: 0.0489
- Nearest named color: Black Truffle (#463d3e, Δ 0.939) — https://brandsweets.com/colors/black-truffle
- Moods: neutral, dark, luxury, bold
- Page: https://brandsweets.com/colors/423d42

## Tints & shades

- Tints (toward white): #554e55, #6a626a, #7d737d, #8e858e, #a29aa2, #b3adb3, #c4bfc4, #d5d2d5, #e9e7e9, #fafafa
- Shades (toward black): #3d383d, #383338, #322f32, #2d2a2d, #282528, #201d20, #1b181b, #151415, #100f10, #0b0a0b

## Harmonies

- Complementary: #3d423d
- Analogous: #403d42, #423d40
- Triadic: #42423d, #3d4242
- Split-complementary: #40423d, #3d4240
- Tetradic: #42403d, #3d423d, #3d4042

## Colors that go with #423d42

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] — 10 real palettes, including Dunkin''s brand system and Jeep's brand system put Blue beside #423d42, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Nursery and Garden Wedding put Blush Pink beside #423d42, as the lead colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Blush (https://brandsweets.com/palettes/light#blush), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #423d42 in 5 real palettes, including Polaroid and Velvet, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Velvet (https://brandsweets.com/palettes/luxury#velvet), Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #423d42: 6 real palettes, including Clean Beauty and Paper & Pine, as the lead colour. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Coastal (https://brandsweets.com/palettes/cool#coastal), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #423d42: 9 real palettes, including Notion's brand system and Clean Beauty. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Bakery (https://brandsweets.com/palettes/warm#bakery), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #423d42 in 13 real palettes, including Dunkin''s brand system and Codecademy's brand system, as the accent. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Burger King (https://brandsweets.com/colors/brands/bk-com). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Puma's brand system and Greige put Dark Goldenrod beside #423d42, as the supporting colour. Seen in: Puma (https://brandsweets.com/colors/brands/puma-com), Greige (https://brandsweets.com/palettes/neutral#greige), Cider (https://brandsweets.com/palettes/warm#cider), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/darkgoldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the near-white surface #423d42 was made for — maximum legibility with no colour cast to argue with. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 10.62:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.98:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7d737d (4.62:1); AA: background → #ababab (4.62:1); AAA: text → #9d959d (7.22:1); AAA: background → #d4d4d4 (7.16:1)

## Curated palettes containing it

- **Stone** (neutral, cool, minimal, clean) — #44403c, #a8a29e, #d6d3d1, #fafaf9, #1c1917 — Stone greys with a faint warmth — Tailwind's stone scale used as a whole palette: interfaces that want to disappear. — tool: https://brandsweets.com/palettes/new/44403c-a8a29e-d6d3d1-fafaf9-1c1917 — collection: https://brandsweets.com/palettes/neutral

## Fonts for this mood

- neutral: https://brandsweets.com/fonts/mood/neutral
- 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/423d42-a2beb0-c859d4-1f2d2b-eaf1e9?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: "#423d42" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.