# #687c8d

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

## Values

- Hex: `#687c8d`
- RGB: rgb(104, 124, 141)
- HSL: hsl(208, 15%, 48%)
- OKLCH: oklch(0.576 0.035 244.1)
- Relative luminance: 0.1928
- Nearest named color: Citadel (#6a7f8b, Δ 1.086) — https://brandsweets.com/colors/citadel
- Moods: cool, muted
- Page: https://brandsweets.com/colors/687c8d

## Tints & shades

- Tints (toward white): #758899, #8495a4, #92a2af, #a1aeba, #b0bbc4, #bec7cf, #cdd4da, #dce1e5, #eaedf0, #f9fafb
- Shades (toward black): #5f7181, #556472, #4c5a67, #414d58, #38434c, #303941, #252c32, #1c2126, #111517, #090a0c

## Harmonies

- Complementary: #8d7968
- Analogous: #688d8c, #68698d
- Triadic: #8d687c, #7c8d68
- Split-complementary: #8d6869, #8d8c68
- Tetradic: #8c688d, #8d7968, #698d68

## Colors that go with #687c8d

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 #687c8d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #687c8d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Atelier (https://brandsweets.com/palettes/elegant#atelier), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #687c8d in 4 real palettes, including Beach Hut and Lemon Squeezy's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wired (https://brandsweets.com/colors/brands/wired-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Midnight Luxe and Forest Floor put Champagne beside #687c8d, as that palette's text colour. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #687c8d: 6 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), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #687c8d in 11 real palettes, including Retro Pop and Redfin's brand system, as the lead colour. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #687c8d: 4 real palettes, including Deep Water and Astro's brand system, as the lead colour. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Telegram (https://brandsweets.com/colors/brands/telegram-org), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #687c8d: 13 real palettes, including Campus and Discover's brand system, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Discover (https://brandsweets.com/colors/brands/discover-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.32:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #647687 (4.68:1); AA: background → #0a0a0a (4.58:1); AAA: text → #4c5a67 (7.08:1)
- On black (#000000): 4.86:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8797a6 (7.01:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/687c8d-9cadc4-df4e51-1f212d-e9f1f1?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: "#687c8d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.