# #0bc1ef

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

## Values

- Hex: `#0bc1ef`
- RGB: rgb(11, 193, 239)
- HSL: hsl(192, 91%, 49%)
- OKLCH: oklch(0.753 0.139 223.2)
- Relative luminance: 0.4444
- Nearest named color: Blue Bikini (#00bbee, Δ 1.699) — https://brandsweets.com/colors/blue-bikini
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0bc1ef

## Tints & shades

- Tints (toward white): #1fcaf4, #37d0f6, #50d5f7, #68dbf8, #80e1f9, #94e6fa, #acebfb, #c5f1fc, #ddf7fd, #f5fdff
- Shades (toward black): #0ab1db, #099ec3, #088eaf, #077a97, #066a84, #05576b, #044758, #03333f, #02232c, #011013

## Harmonies

- Complementary: #ef390b
- Analogous: #0befaa, #0b4fef
- Triadic: #ef0bc1, #c1ef0b
- Split-complementary: #ef0b4f, #efaa0b
- Tetradic: #aa0bef, #ef390b, #4fef0b

## Colors that go with #0bc1ef

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 #0bc1ef: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0bc1ef: 5 real palettes, including Venmo's brand system and UEFA's brand system, as the accent. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #0bc1ef: 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 Kraken's brand system and Confluent's brand system put Midnight Blue beside #0bc1ef, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #0bc1ef in 7 real palettes, including Elastic's brand system and Confluent's brand system, as the accent. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Confluent (https://brandsweets.com/colors/brands/confluent-io), 1password (https://brandsweets.com/colors/brands/1password-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #0bc1ef in 8 real palettes, including Astro's brand system and Cursor's brand system, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Cursor (https://brandsweets.com/colors/brands/cursor-com), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/taupe
- **Coral** #ff7f50 [harmony: complementary] — Coral sits directly opposite #0bc1ef 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 #0bc1ef: 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): 2.12:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #077e9c (4.69:1); AA: background → #454545 (4.51:1); AAA: text → #065f75 (7.24:1); AAA: background → #262626 (7.13:1)
- On black (#000000): 9.89:1 — 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/0bc1ef-a2b5be-df4e77-1f242d-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: "#0bc1ef" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.