# #39646a

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

## Values

- Hex: `#39646a`
- RGB: rgb(57, 100, 106)
- HSL: hsl(187, 30%, 32%)
- OKLCH: oklch(0.474 0.049 207.1)
- Relative luminance: 0.1102
- Nearest named color: After the Storm (#33616a, Δ 1.216) — https://brandsweets.com/colors/after-the-storm
- Moods: cool, muted
- Page: https://brandsweets.com/colors/39646a

## Tints & shades

- Tints (toward white): #467a81, #508d95, #60a1a9, #74adb4, #8bbac1, #a2c8cd, #b6d4d8, #cde2e4, #e1edef, #f8fbfb
- Shades (toward black): #345b60, #2e5256, #2b4b50, #254246, #20383c, #1b2f32, #152628, #121f21, #0c1617, #070d0d

## Harmonies

- Complementary: #6a3f39
- Analogous: #396a57, #394c6a
- Triadic: #6a3964, #646a39
- Split-complementary: #6a394c, #6a5739
- Tetradic: #57396a, #6a3f39, #4c6a39

## Colors that go with #39646a

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

- **Rust** #b7410e [harmony, pool: complementary] — Rust sits directly opposite #39646a 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), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/rust
- **Blue** #0000ff [pool] — 5 real palettes, including Warp's brand system and Rolex's brand system put Blue beside #39646a, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Rolex (https://brandsweets.com/colors/brands/rolex-com), Activision (https://brandsweets.com/colors/brands/activision-com), Jeep (https://brandsweets.com/colors/brands/jeep-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #39646a: 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 #39646a: 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 #39646a: 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 #39646a in 9 real palettes, including Gemstone and Codecademy's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Cider and Rolex's brand system put Dark Goldenrod beside #39646a, as the supporting colour. Seen in: Cider (https://brandsweets.com/palettes/warm#cider), Rolex (https://brandsweets.com/colors/brands/rolex-com), Puma (https://brandsweets.com/colors/brands/puma-com), Greige (https://brandsweets.com/palettes/neutral#greige). — https://brandsweets.com/colors/darkgoldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #39646a: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 6.55:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #365e63 (7.15:1)
- On black (#000000): 3.2:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #477d85 (4.54:1); AA: background → #d6d6d6 (4.51:1); AAA: text → #60a1a9 (7.17:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/39646a-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: "#39646a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.