# #0bb3bc

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

## Values

- Hex: `#0bb3bc`
- RGB: rgb(11, 179, 188)
- HSL: hsl(183, 89%, 39%)
- OKLCH: oklch(0.698 0.117 201.3)
- Relative luminance: 0.3594
- Nearest named color: lightseagreen (#20b2aa, Δ 2.597) — https://brandsweets.com/colors/lightseagreen
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0bb3bc

## Tints & shades

- Tints (toward white): #0dcfd9, #13e6f1, #30e9f3, #4decf5, #6aeff6, #82f2f8, #9ff5f9, #bcf8fb, #d8fbfd, #f5fefe
- Shades (toward black): #0aa5ae, #09939a, #08858c, #077378, #06656a, #055357, #044548, #033335, #022527, #011213

## Harmonies

- Complementary: #bc140b
- Analogous: #0bbc6c, #0b5bbc
- Triadic: #bc0bb3, #b3bc0b
- Split-complementary: #bc0b5b, #bc6c0b
- Tetradic: #6c0bbc, #bc140b, #5bbc0b

## Colors that go with #0bb3bc

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 #0bb3bc: 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), N26 (https://brandsweets.com/colors/brands/n26-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com). — https://brandsweets.com/colors/charcoal
- **Tomato** #ff6347 [harmony, pool: complementary] — Tomato sits directly opposite #0bb3bc 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). — https://brandsweets.com/colors/tomato
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0bb3bc: 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), Gopro (https://brandsweets.com/colors/brands/gopro-com), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #0bb3bc: 4 real palettes, including Unity's brand system and Patreon's brand system, as the lead colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #0bb3bc, 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), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Mint Modern and Gopro's brand system put Orange beside #0bb3bc, as the accent. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Gopro (https://brandsweets.com/colors/brands/gopro-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Graphite (https://brandsweets.com/palettes/technical#graphite). — https://brandsweets.com/colors/orange
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #0bb3bc in 4 real palettes, including Confluent's brand system and Khan Academy's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Elastic (https://brandsweets.com/colors/brands/elastic-co), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Sky Blue** #87ceeb [pool] — Sky Blue is paired with #0bb3bc in 4 real palettes, including Coastal and Max's brand system, as the supporting colour. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Max (https://brandsweets.com/colors/brands/max-com), 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): 2.56:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #088187 (4.67:1); AA: background → #383838 (4.57:1); AAA: text → #066065 (7.32:1); AAA: background → #141414 (7.18:1)
- On black (#000000): 8.19:1 — AA pass, AA-large pass, AAA pass

## 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/0bb3bc-a2b9be-d4598e-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: "#0bb3bc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.