# #379aa9

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

## Values

- Hex: `#379aa9`
- RGB: rgb(55, 154, 169)
- HSL: hsl(188, 51%, 44%)
- OKLCH: oklch(0.635 0.092 209.3)
- Relative luminance: 0.2679
- Nearest named color: Baltic (#279d9f, Δ 2.206) — https://brandsweets.com/colors/baltic
- Moods: cool, modern
- Page: https://brandsweets.com/colors/379aa9

## Tints & shades

- Tints (toward white): #3dacbd, #52b7c7, #65bfcd, #7cc9d5, #8fd1db, #a3d9e1, #bae2e9, #cdeaef, #e4f4f6, #f7fcfd
- Shades (toward black): #328c9a, #2d7e8b, #28707b, #23626c, #1e545c, #19464d, #14383e, #0f2a2e, #0a1c1f, #050e0f

## Harmonies

- Complementary: #a94637
- Analogous: #37a97f, #3761a9
- Triadic: #a9379a, #9aa937
- Split-complementary: #a93761, #a97f37
- Tetradic: #7f37a9, #a94637, #61a937

## Colors that go with #379aa9

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 #379aa9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Lido (https://brandsweets.com/palettes/vivid#lido), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Orange Red** #ff4500 [harmony, pool: complementary] — Orange Red sits directly opposite #379aa9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Cursor (https://brandsweets.com/colors/brands/cursor-com), Substack (https://brandsweets.com/colors/brands/substack-com). — https://brandsweets.com/colors/orangered
- **Copper** #b87333 [pool] — Designers have shipped Copper with #379aa9: 5 real palettes, including Dusk and Clean Beauty, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Atelier (https://brandsweets.com/palettes/elegant#atelier), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #379aa9 in 5 real palettes, including Diner and Redfin's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), 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 #379aa9: 4 real palettes, including Telegram's brand system and Snowflake AI Data Cloud's brand system, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Astro (https://brandsweets.com/colors/brands/astro-build), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #379aa9: 9 real palettes, including Peacock and Gopro's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Gopro (https://brandsweets.com/colors/brands/gopro-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #379aa9 in 4 real palettes, including Ledger Dark and Noir Beauty, as the lead colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Open House (https://brandsweets.com/palettes/clean#open-house), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Ford's brand system and SoFi's brand system put Midnight Blue beside #379aa9, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 3.3:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2d7e8b (4.7:1); AA: background → #262626 (4.58:1); AAA: text → #225f68 (7.23:1)
- On black (#000000): 6.36:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #3ba5b5 (7.24:1)

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/379aa9-a2b7be-df4e81-1f252d-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: "#379aa9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.