# #0b78cb

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

## Values

- Hex: `#0b78cb`
- RGB: rgb(11, 120, 203)
- HSL: hsl(206, 90%, 42%)
- OKLCH: oklch(0.563 0.154 249.7)
- Relative luminance: 0.1782
- Nearest named color: Haddock’s Sweater (#277aba, Δ 2.952) — https://brandsweets.com/colors/haddocks-sweater
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0b78cb

## Tints & shades

- Tints (toward white): #0c89e9, #1b96f3, #38a3f5, #51aef6, #6ebcf7, #8bc9f9, #a3d4fa, #c0e2fc, #d8edfd, #f5fbfe
- Shades (toward black): #0a6db8, #0961a5, #085996, #074d83, #06426f, #05365c, #042b49, #03223a, #021727, #010b13

## Harmonies

- Complementary: #cb5e0b
- Analogous: #0bcbbf, #0b18cb
- Triadic: #cb0b78, #78cb0b
- Split-complementary: #cb0b18, #cbbf0b
- Tetradic: #bf0bcb, #cb5e0b, #18cb0b

## Colors that go with #0b78cb

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 #0b78cb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #0b78cb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/crimson
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #0b78cb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #0b78cb in 11 real palettes, including Wired's brand system and Walmart's brand system, as the accent. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Walmart (https://brandsweets.com/colors/brands/walmart-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 15 real palettes, including Readymag's brand system and Activision's brand system put Blue beside #0b78cb, as the supporting colour. Seen in: Readymag (https://brandsweets.com/colors/brands/readymag-com), Activision (https://brandsweets.com/colors/brands/activision-com), BBC (https://brandsweets.com/colors/brands/bbc-com), Pixar (https://brandsweets.com/colors/brands/pixar-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #0b78cb: 12 real palettes, including General Mills's brand system and Intel's brand system, as the supporting colour. Seen in: General Mills (https://brandsweets.com/colors/brands/generalmills-com), Intel (https://brandsweets.com/colors/brands/intel-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #0b78cb: 6 real palettes, including NBA's brand system and Coca-Cola's brand system, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #0b78cb: 8 real palettes, including Astro's brand system and Venmo's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Venmo (https://brandsweets.com/colors/brands/venmo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 4.6:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #085b9b (7.05:1)
- On black (#000000): 4.56:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #259af4 (7.01:1)

## Brands using this color

- **Xbox** — accent #0078d4 (Δ 1.393) — https://brandsweets.com/colors/brands/xbox-com
- **NASCAR** — accent #007ac2 (Δ 1.624) — https://brandsweets.com/colors/brands/nascar-com
- **Dell** — accent #0672cb (Δ 1.691) — https://brandsweets.com/colors/brands/dell-com
- **Astro** — primary #3178c6 (Δ 1.772) — https://brandsweets.com/colors/brands/astro-build
- **General Mills** — accent #0074c1 (Δ 1.854) — https://brandsweets.com/colors/brands/generalmills-com
- **Skechers** — accent #1973c1 (Δ 1.868) — https://brandsweets.com/colors/brands/skechers-com

## 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/0b78cb-9caec4-df4e56-1f212d-e9f1f1?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: "#0b78cb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.