# #0fb9db

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

## Values

- Hex: `#0fb9db`
- RGB: rgb(15, 185, 219)
- HSL: hsl(190, 87%, 46%)
- OKLCH: oklch(0.726 0.128 217.5)
- Relative luminance: 0.3991
- Nearest named color: Aquarius (#2db0ce, Δ 2.68) — https://brandsweets.com/colors/aquarius
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0fb9db

## Tints & shades

- Tints (toward white): #15cbef, #2dd0f0, #4ad6f2, #62dcf4, #79e1f6, #91e6f7, #a9ecf9, #c6f2fb, #def8fd, #f5fdfe
- Shades (toward black): #0ea9c8, #0d99b5, #0b859d, #0a758a, #086577, #075564, #064451, #043039, #032026, #011013

## Harmonies

- Complementary: #db310f
- Analogous: #0fdb97, #0f53db
- Triadic: #db0fb9, #b9db0f
- Split-complementary: #db0f53, #db970f
- Tetradic: #970fdb, #db310f, #53db0f

## Colors that go with #0fb9db

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 #0fb9db: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lido (https://brandsweets.com/palettes/vivid#lido), Vimeo (https://brandsweets.com/colors/brands/vimeo-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0fb9db: 7 real palettes, including Coca-Cola's brand system and Venmo's brand system, as the accent. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #0fb9db: 4 real palettes, including Figma's brand system and Patreon's brand system, as the accent. Seen in: Figma (https://brandsweets.com/colors/brands/figma), Patreon (https://brandsweets.com/colors/brands/patreon-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Confluent's brand system and SoFi's brand system put Midnight Blue beside #0fb9db, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), SoFi (https://brandsweets.com/colors/brands/sofi-com), Kraken (https://brandsweets.com/colors/brands/kraken-com), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #0fb9db in 9 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), NBA (https://brandsweets.com/colors/brands/nba-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #0fb9db in 10 real palettes, including Cursor's brand system and Astro's brand system, as the text colour against it. Seen in: Cursor (https://brandsweets.com/colors/brands/cursor-com), Astro (https://brandsweets.com/colors/brands/astro-build), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Polaroid (https://brandsweets.com/palettes/light#polaroid). — https://brandsweets.com/colors/taupe
- **Coral** #ff7f50 [harmony: complementary] — Coral sits directly opposite #0fb9db on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/coral
- **Goldenrod** #daa520 [harmony, pool: split] — Goldenrod is a split-complement of #0fb9db: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod

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

- On white (#ffffff): 2.34:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b8199 (4.55:1); AA: background → #3d3d3d (4.65:1); AAA: text → #086172 (7.09:1); AAA: background → #1f1f1f (7.05:1)
- On black (#000000): 8.98:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Tailwind CSS** — primary #06b6d4 (Δ 1.215) — https://brandsweets.com/colors/brands/tailwind-css

## Curated palettes containing it

- **Circuit** (technical, vivid, bold) — #7c3aed, #0a0a0a, #06b6d4, #ffffff — Violet plus cyan is the current AI-product signal — pair it with pure black type to keep it from going candy. — tool: https://brandsweets.com/palettes/new/7c3aed-0a0a0a-06b6d4-ffffff — collection: https://brandsweets.com/palettes/technical
- **Deep Water** (ocean, dark, cool, luxury) — #00b4d8, #0077b6, #caf0f8, #03045e, #e8f6fb — Cyan and mid-blue on abyss navy with a foam highlight — the ocean at depth; the darker the surface, the brighter the water. — tool: https://brandsweets.com/palettes/new/00b4d8-0077b6-caf0f8-03045e-e8f6fb — collection: https://brandsweets.com/palettes/ocean
- **Lagoon** (ocean, vivid, light, summer) — #06b6d4, #14b8a6, #fde68a, #ffffff, #134e4a — Turquoise and teal with a sand-yellow on white — shallow tropical water; the deep teal text is the reef. — tool: https://brandsweets.com/palettes/new/06b6d4-14b8a6-fde68a-ffffff-134e4a — collection: https://brandsweets.com/palettes/ocean

## 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/0fb9db-a2b6be-df4e7c-1f252d-e9f1ef?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: "#0fb9db" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.