# #37686d

A color — cool, muted. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#37686d`
- RGB: rgb(55, 104, 109)
- HSL: hsl(186, 33%, 32%)
- OKLCH: oklch(0.485 0.054 204.1)
- Relative luminance: 0.1182
- Nearest named color: Deep Pool Teal (#366d68, Δ 2.006) — https://brandsweets.com/colors/deep-pool-teal
- Moods: cool, muted
- Page: https://brandsweets.com/colors/37686d

## Tints & shades

- Tints (toward white): #437e84, #4d9199, #5ca5ad, #71b0b7, #88bdc3, #a0cacf, #b4d6d9, #cce3e5, #e0eef0, #f8fbfc
- Shades (toward black): #325d62, #2c5458, #294d51, #244447, #1f3a3d, #1a3033, #152729, #112022, #0c1718, #070d0e

## Harmonies

- Complementary: #6d3c37
- Analogous: #376d57, #374c6d
- Triadic: #6d3767, #676d37
- Split-complementary: #6d374c, #6d5737
- Tetradic: #57376d, #6d3c37, #4c6d37

## Colors that go with #37686d

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 #37686d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Pampers (https://brandsweets.com/colors/brands/pampers-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Rust** #b7410e [harmony, pool: complementary] — Rust sits directly opposite #37686d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gallery (https://brandsweets.com/palettes/editorial#gallery), IHG (https://brandsweets.com/colors/brands/ihg-com). — https://brandsweets.com/colors/rust
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #37686d: 4 real palettes, including Alpine and Open House, as the supporting colour. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #37686d: 4 real palettes, including Ink & Paper and Fintech Trust, as the accent. Seen in: Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Intel (https://brandsweets.com/colors/brands/intel-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #37686d: 5 real palettes, including Desert Road and Dusk, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Dusk (https://brandsweets.com/palettes/cool#dusk), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #37686d in 10 real palettes, including Gemstone and Redfin's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Cider and Rolex's brand system put Dark Goldenrod beside #37686d, as the supporting colour. Seen in: Cider (https://brandsweets.com/palettes/warm#cider), Rolex (https://brandsweets.com/colors/brands/rolex-com), Greige (https://brandsweets.com/palettes/neutral#greige), Puma (https://brandsweets.com/colors/brands/puma-com). — https://brandsweets.com/colors/darkgoldenrod
- **Denim** #1560bd [pool] — Designers have shipped Denim with #37686d: 14 real palettes, including The New York Times's brand system and HP's brand system, as the supporting colour. Seen in: The New York Times (https://brandsweets.com/colors/brands/nytimes-com), HP (https://brandsweets.com/colors/brands/hp-com), Campus (https://brandsweets.com/palettes/friendly#campus), Dutch Bros (https://brandsweets.com/colors/brands/dutchbros-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 6.24:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #325d62 (7.3:1)
- On black (#000000): 3.36:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #437e84 (4.56:1); AA: background → #dbdbdb (4.51:1); AAA: text → #55a1aa (7.06:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/37686d-a2b8be-df4e86-1f262d-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: "#37686d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.