# #3f767d

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

## Values

- Hex: `#3f767d`
- RGB: rgb(63, 118, 125)
- HSL: hsl(187, 33%, 37%)
- OKLCH: oklch(0.531 0.059 206.2)
- Relative luminance: 0.1549
- Nearest named color: Calypso (#3d7188, Δ 2.697) — https://brandsweets.com/colors/calypso
- Moods: cool, muted
- Page: https://brandsweets.com/colors/3f767d

## Tints & shades

- Tints (toward white): #498992, #549da6, #66a9b2, #7bb5bc, #92c2c8, #a7cdd3, #bbd9dd, #d0e4e7, #e4f0f1, #f8fbfc
- Shades (toward black): #3a6d73, #336066, #2e565c, #294d51, #244347, #1d363a, #182d2f, #132325, #0c1618, #070d0e

## Harmonies

- Complementary: #7d463f
- Analogous: #3f7d66, #3f577d
- Triadic: #7d3f76, #767d3f
- Split-complementary: #7d3f57, #7d663f
- Tetradic: #663f7d, #7d463f, #577d3f

## Colors that go with #3f767d

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 #3f767d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Gusto (https://brandsweets.com/colors/brands/gusto-com), N26 (https://brandsweets.com/colors/brands/n26-com), Campus (https://brandsweets.com/palettes/friendly#campus), Stanley (https://brandsweets.com/colors/brands/stanley1913-com). — https://brandsweets.com/colors/charcoal
- **Rust** #b7410e [harmony, pool: complementary] — Rust sits directly opposite #3f767d 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), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty). — https://brandsweets.com/colors/rust
- **Amber** #ffbf00 [pool] — Amber is paired with #3f767d 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 Forest Floor and Darkroom put Champagne beside #3f767d, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #3f767d: 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), 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 #3f767d: 7 real palettes, including Riverbed and Desert Road, as the accent. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #3f767d in 11 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), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #3f767d: 4 real palettes, including Warp's brand system and Deep Water, as the lead colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Venmo (https://brandsweets.com/colors/brands/venmo-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 5.12:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #325d62 (7.3:1)
- On black (#000000): 4.1:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #437d84 (4.51:1); AA: background → #f2f2f2 (4.58:1); AAA: text → #59a2ab (7.18:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3f767d-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: "#3f767d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.