# #406f77

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

## Values

- Hex: `#406f77`
- RGB: rgb(64, 111, 119)
- HSL: hsl(189, 30%, 36%)
- OKLCH: oklch(0.511 0.053 209.5)
- Relative luminance: 0.1379
- Nearest named color: Calypso (#3d7188, Δ 2.621) — https://brandsweets.com/colors/calypso
- Moods: cool, muted
- Page: https://brandsweets.com/colors/406f77

## Tints & shades

- Tints (toward white): #4b828b, #56949f, #6aa4af, #7eb0b9, #92bdc4, #a5c9cf, #b9d5da, #d1e3e6, #e4eff1, #f8fbfb
- Shades (toward black): #3b666d, #365d63, #2e5056, #29474c, #243e42, #1e3438, #192b2e, #121f21, #0c1617, #070c0d

## Harmonies

- Complementary: #774940
- Analogous: #407764, #405477
- Triadic: #77406f, #6f7740
- Split-complementary: #774054, #776440
- Tetradic: #644077, #774940, #547740

## Colors that go with #406f77

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 #406f77: softer than #000 and cool enough to feel like part of the same palette. Seen in: Gusto (https://brandsweets.com/colors/brands/gusto-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Campus (https://brandsweets.com/palettes/friendly#campus), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Rust** #b7410e [harmony, pool: complementary] — Rust sits directly opposite #406f77 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). — https://brandsweets.com/colors/rust
- **Amber** #ffbf00 [pool] — Amber is paired with #406f77 in 4 real palettes, including Lemon Squeezy's brand system and Beach Hut, as the lead colour. Seen in: Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Darkroom and Forest Floor put Champagne beside #406f77, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), 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 #406f77: 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 #406f77: 5 real palettes, including Desert Road and Riverbed, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Dusk (https://brandsweets.com/palettes/cool#dusk), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #406f77 in 12 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #406f77: 14 real palettes, including The New York Times's brand system and Campus, as the supporting colour. Seen in: The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 5.59:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #365d63 (7.23:1)
- On black (#000000): 3.76:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #497f88 (4.67:1); AA: background → #e8e8e8 (4.56:1); AAA: text → #63a0ab (7.15:1)

## Curated palettes containing it

- **Mid-Century** (vintage, retro, warm, muted) — #d9822b, #2f6f73, #e6b33d, #f7efdf, #2b2622 — Tangerine, teal and mustard on cream — the 1960s lounge trio, one of the few retro palettes with real hue contrast. — tool: https://brandsweets.com/palettes/new/d9822b-2f6f73-e6b33d-f7efdf-2b2622 — collection: https://brandsweets.com/palettes/vintage

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/406f77-a2b7be-df4e7e-1f252d-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: "#406f77" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
