# #3d615c

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

## Values

- Hex: `#3d615c`
- RGB: rgb(61, 97, 92)
- HSL: hsl(172, 23%, 31%)
- OKLCH: oklch(0.464 0.042 184.9)
- Relative luminance: 0.1031
- Nearest named color: Ethereal Woods (#3e5e4e, Δ 2.134) — https://brandsweets.com/colors/ethereal-woods
- Moods: muted
- Page: https://brandsweets.com/colors/3d615c

## Tints & shades

- Tints (toward white): #4b7771, #568a83, #659f97, #7bada6, #91bab5, #a4c6c2, #bad4d0, #d0e2df, #e3edec, #f9fbfb
- Shades (toward black): #375853, #33524d, #2d4845, #273f3c, #233836, #1d2f2d, #182624, #121c1b, #0e1615, #080d0c

## Harmonies

- Complementary: #613d42
- Analogous: #3d614a, #3d5461
- Triadic: #5c3d61, #615c3d
- Split-complementary: #613d54, #614a3d
- Tetradic: #4a3d61, #613d42, #54613d

## Colors that go with #3d615c

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

- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #3d615c: 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
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #3d615c, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #3d615c: 4 real palettes, including Desert Road and Clay & Linen, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Dusk (https://brandsweets.com/palettes/cool#dusk), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #3d615c in 7 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), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Rolex's brand system and Cider put Dark Goldenrod beside #3d615c, as the supporting colour. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Cider (https://brandsweets.com/palettes/warm#cider), Puma (https://brandsweets.com/colors/brands/puma-com), Greige (https://brandsweets.com/palettes/neutral#greige). — https://brandsweets.com/colors/darkgoldenrod
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3d615c: 10 real palettes, including HP's brand system and The New York Times's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/denim
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #3d615c: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke
- **Sienna** #a0522d [harmony, pool: split] — Sienna is a split-complement of #3d615c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sienna

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

- On white (#ffffff): 6.86:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #3b5e59 (7.16:1)
- On black (#000000): 3.06:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #4f7d77 (4.53:1); AA: background → #d4d4d4 (4.63:1); AAA: text → #68a199 (7.15:1)

## Curated palettes containing it

- **Desert Road** (earthy, warm, muted, elegant) — #c2703d, #c9b28b, #3e5f5c, #fbf6ee, #2b211a — Sandstone and sand with a deep teal — the one cool note makes the warm colours look intentional rather than beige. — tool: https://brandsweets.com/palettes/new/c2703d-c9b28b-3e5f5c-fbf6ee-2b211a — collection: https://brandsweets.com/palettes/earthy

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3d615c-a2bebe-d459a5-1f292d-e9f1ec?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: "#3d615c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.