# #31393a

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

## Values

- Hex: `#31393a`
- RGB: rgb(49, 57, 58)
- HSL: hsl(187, 8%, 21%)
- OKLCH: oklch(0.337 0.011 205.8)
- Relative luminance: 0.0388
- Nearest named color: Artist’s Charcoal (#37393e, Δ 1.268) — https://brandsweets.com/colors/artists-charcoal
- Moods: muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/31393a

## Tints & shades

- Tints (toward white): #444e50, #546163, #677779, #7b8c8e, #919fa1, #a4b0b2, #bac3c4, #d0d6d7, #e3e7e8, #f9fafa
- Shades (toward black): #2d3334, #2a3132, #262b2c, #212627, #1e2324, #1a1e1e, #151819, #101313, #0e1011, #090b0b

## Harmonies

- Complementary: #3a3231
- Analogous: #313a37, #31353a
- Triadic: #3a3139, #393a31
- Split-complementary: #3a3135, #3a3731
- Tetradic: #37313a, #3a3231, #353a31

## Colors that go with #31393a

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

- **Amber** #ffbf00 [pool] — Amber is paired with #31393a in 6 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 13 real palettes, including Minecraft's brand system and Dunkin''s brand system put Blue beside #31393a, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #31393a, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Blush (https://brandsweets.com/palettes/light#blush), Nursery (https://brandsweets.com/palettes/light#nursery). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #31393a in 5 real palettes, including Polaroid and Coastal, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #31393a: 8 real palettes, including Clean Beauty and Coastal, as the lead colour. Seen in: 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), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 7 real palettes, including Sweetgreen's brand system and Darkroom put Champagne beside #31393a, as the supporting colour. Seen in: Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Allbirds (https://brandsweets.com/colors/brands/allbirds-com). — https://brandsweets.com/colors/champagne
- **Chocolate** #d2691e [pool] — Chocolate shows up next to #31393a in 4 real palettes, including Homestead and Wellness, as the accent. Seen in: Homestead (https://brandsweets.com/palettes/warm#homestead), Wellness (https://brandsweets.com/palettes/warm#wellness), Postman (https://brandsweets.com/colors/brands/postman-com), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market). — https://brandsweets.com/colors/chocolate
- **White Smoke** #f5f5f5 [role] — White Smoke is the near-white surface #31393a 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): 11.82:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.78:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6a7a7c (4.69:1); AA: background → #a1a1a1 (4.57:1); AAA: text → #89989a (7.02:1); AAA: background → #c9c9c9 (7.14:1)

## Fonts for this mood

- 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/31393a-a2b8be-df4e83-1f262d-e9f1ee?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: "#31393a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.