# #2d9aa4

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

## Values

- Hex: `#2d9aa4`
- RGB: rgb(45, 154, 164)
- HSL: hsl(185, 57%, 41%)
- OKLCH: oklch(0.631 0.096 204.1)
- Relative luminance: 0.2635
- Nearest named color: Baltic (#279d9f, Δ 1.375) — https://brandsweets.com/colors/baltic
- Moods: cool, modern
- Page: https://brandsweets.com/colors/2d9aa4

## Tints & shades

- Tints (toward white): #34b1bc, #3fbfca, #57c7d1, #6fcfd8, #87d7de, #9bdee4, #b3e6ea, #cbeef1, #dff4f6, #f7fcfd
- Shades (toward black): #298b94, #258088, #217178, #1d6268, #19575c, #15474c, #10383c, #0c292c, #091e20, #040f10

## Harmonies

- Complementary: #a4372d
- Analogous: #2da472, #2d5fa4
- Triadic: #a42d9a, #9aa42d
- Split-complementary: #a42d5f, #a4722d
- Tetradic: #722da4, #a4372d, #5fa42d

## Colors that go with #2d9aa4

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 #2d9aa4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Lido (https://brandsweets.com/palettes/vivid#lido), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Red** #ff0000 [harmony, pool: complementary] — Red sits directly opposite #2d9aa4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Nike (https://brandsweets.com/colors/brands/nike-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/red
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #2d9aa4: 4 real palettes, including Fintech Trust and Hershey's's brand system, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), 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 #2d9aa4: 5 real palettes, including Clean Beauty and Dusk, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk), Wellness (https://brandsweets.com/palettes/warm#wellness), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #2d9aa4 in 7 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #2d9aa4: 13 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 #2d9aa4 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] — 10 real palettes, including Ford's brand system and Tide Pool put Midnight Blue beside #2d9aa4, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), SoFi (https://brandsweets.com/colors/brands/sofi-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 3.35:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #258088 (4.64:1); AA: background → #262626 (4.52:1); AAA: text → #1d6268 (7:1)
- On black (#000000): 6.27:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #30a5b0 (7.13:1)

## 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/2d9aa4-a2b8be-df4e88-1f262d-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: "#2d9aa4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.