# #166d79

A color — cool, vivid, dark, technical, modern, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#166d79`
- RGB: rgb(22, 109, 121)
- HSL: hsl(187, 69%, 28%)
- OKLCH: oklch(0.492 0.079 209.1)
- Relative luminance: 0.1249
- Nearest named color: Aqua Obscura (#05696b, Δ 2.524) — https://brandsweets.com/colors/aqua-obscura
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/166d79

## Tints & shades

- Tints (toward white): #1c8897, #21a4b5, #27bfd3, #41cadc, #60d3e2, #7edbe7, #9ce3ed, #baecf2, #d8f4f8, #f6fdfd
- Shades (toward black): #156570, #125a63, #11525a, #0e464e, #0d3e45, #0b373c, #092b2f, #072327, #05171a, #031011

## Harmonies

- Complementary: #792216
- Analogous: #167953, #163c79
- Triadic: #79166d, #6d7916
- Split-complementary: #79163c, #795316
- Tetradic: #531679, #792216, #3c7916

## Colors that go with #166d79

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 #166d79: softer than #000 and cool enough to feel like part of the same palette. Seen in: Gusto (https://brandsweets.com/colors/brands/gusto-com), Pampers (https://brandsweets.com/colors/brands/pampers-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: complementary] — Crimson sits directly opposite #166d79 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #166d79 in 4 real palettes, including Lemon Squeezy's brand system and McDonald's's brand system, as the lead colour. Seen in: Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Warp's brand system and Activision's brand system put Blue beside #166d79, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Activision (https://brandsweets.com/colors/brands/activision-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Tesco (https://brandsweets.com/colors/brands/tesco-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #166d79: 6 real palettes, including Fintech Trust and Ink & Paper, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Glacier (https://brandsweets.com/palettes/cool#glacier), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #166d79: 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), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #166d79: 16 real palettes, including The New York Times's brand system and Dutch Bros's brand system, as the supporting colour. Seen in: The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Dutch Bros (https://brandsweets.com/colors/brands/dutchbros-com), HP (https://brandsweets.com/colors/brands/hp-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #166d79: 5 real palettes, including Wendy's's brand system and Fireside, as the supporting colour. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), Fireside (https://brandsweets.com/palettes/dark#fireside), AT&T (https://brandsweets.com/colors/brands/att-com), Honda (https://brandsweets.com/colors/brands/honda-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 6:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #14616c (7.1:1)
- On black (#000000): 3.5:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1a818e (4.57:1); AA: background → #e0e0e0 (4.55:1); AAA: text → #21a4b5 (7.04:1)

## 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

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/166d79-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: "#166d79" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.