# #2bb3c5

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

## Values

- Hex: `#2bb3c5`
- RGB: rgb(43, 179, 197)
- HSL: hsl(187, 64%, 47%)
- OKLCH: oklch(0.705 0.112 208.5)
- Relative luminance: 0.3679
- Nearest named color: Aquarius (#2db0ce, Δ 1.82) — https://brandsweets.com/colors/aquarius
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2bb3c5

## Tints & shades

- Tints (toward white): #36c1d3, #4bc7d8, #60cedc, #75d4e1, #8edce6, #a3e2eb, #b8e9ef, #cdeff4, #e2f6f9, #f7fcfd
- Shades (toward black): #27a3b4, #23909f, #1f818e, #1c727d, #18636d, #135058, #104147, #0c3136, #071e21, #040f11

## Harmonies

- Complementary: #c53d2b
- Analogous: #2bc58a, #2b66c5
- Triadic: #c52bb3, #b3c52b
- Split-complementary: #c52b66, #c58a2b
- Tetradic: #8a2bc5, #c53d2b, #66c52b

## Colors that go with #2bb3c5

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 #2bb3c5: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Lido (https://brandsweets.com/palettes/vivid#lido), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Tomato** #ff6347 [harmony, pool: complementary] — Tomato sits directly opposite #2bb3c5 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Raycast (https://brandsweets.com/colors/brands/raycast). — https://brandsweets.com/colors/tomato
- **Denim** #1560bd [pool] — Designers have shipped Denim with #2bb3c5: 7 real palettes, including Coca-Cola's brand system and Open House, as the accent. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Open House (https://brandsweets.com/palettes/clean#open-house), Venmo (https://brandsweets.com/colors/brands/venmo-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #2bb3c5: 5 real palettes, including Patreon's brand system and Figma's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #2bb3c5, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Mistral AI's brand system and Gopro's brand system put Orange beside #2bb3c5, as the supporting colour. Seen in: Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Gopro (https://brandsweets.com/colors/brands/gopro-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Graphite (https://brandsweets.com/palettes/technical#graphite). — https://brandsweets.com/colors/orange
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #2bb3c5 in 7 real palettes, including Confluent's brand system and Elastic's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Elastic (https://brandsweets.com/colors/brands/elastic-co), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Sky Blue** #87ceeb [pool] — Sky Blue is paired with #2bb3c5 in 4 real palettes, including Max's brand system and Coastal, as the lead colour. Seen in: Max (https://brandsweets.com/colors/brands/max-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/skyblue

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

- On white (#ffffff): 2.51:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1f818e (4.58:1); AA: background → #383838 (4.67:1); AAA: text → #175f69 (7.3:1); AAA: background → #171717 (7.13:1)
- On black (#000000): 8.36:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Perplexity** — accent #1fb8cd (Δ 1.54) — https://brandsweets.com/colors/brands/perplexity

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/2bb3c5-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: "#2bb3c5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.