# #3d4139

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

## Values

- Hex: `#3d4139`
- RGB: rgb(61, 65, 57)
- HSL: hsl(90, 7%, 24%)
- OKLCH: oklch(0.369 0.014 128.9)
- Relative luminance: 0.0507
- Nearest named color: Black Olive (#3b3c36, Δ 1.65) — https://brandsweets.com/colors/black-olive
- Moods: neutral, dark, luxury, bold
- Page: https://brandsweets.com/colors/3d4139

## Tints & shades

- Tints (toward white): #4f554a, #636a5c, #757e6d, #8a9281, #9ca395, #adb3a8, #c2c6be, #d4d7d1, #e8eae6, #fafafa
- Shades (toward black): #383c34, #33372f, #2e312b, #292c26, #242621, #1f211c, #1a1b18, #141613, #0f100e, #0a0b09

## Harmonies

- Complementary: #3d3941
- Analogous: #414139, #394139
- Triadic: #393d41, #41393d
- Split-complementary: #393941, #413941
- Tetradic: #394141, #3d3941, #413939

## Colors that go with #3d4139

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 #3d4139, 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), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Garden Wedding and Nursery put Blush Pink beside #3d4139, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Nursery (https://brandsweets.com/palettes/light#nursery), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #3d4139 in 5 real palettes, including Polaroid and Chalkboard, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coastal (https://brandsweets.com/palettes/cool#coastal), Velvet (https://brandsweets.com/palettes/luxury#velvet). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #3d4139: 5 real palettes, including Paper & Pine and Clean Beauty, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), 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 #3d4139: 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), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #3d4139 in 12 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), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Puma's brand system and Greige put Dark Goldenrod beside #3d4139, as the supporting colour. Seen in: Puma (https://brandsweets.com/colors/brands/puma-com), Greige (https://brandsweets.com/palettes/neutral#greige), Rolex (https://brandsweets.com/colors/brands/rolex-com), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/darkgoldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the near-white surface #3d4139 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): 10.43:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.01:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #707868 (4.58:1); AA: background → #ababab (4.54:1); AAA: text → #91998a (7.13:1); AAA: background → #d4d4d4 (7.04:1)

## 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/3d4139-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: "#3d4139" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.