# Docker Secondary (#2560ff)

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

## Values

- Hex: `#2560ff`
- RGB: rgb(37, 96, 255)
- HSL: hsl(224, 100%, 57%)
- OKLCH: oklch(0.558 0.243 264.2)
- Relative luminance: 0.1598
- Name: Docker Secondary (`docker-secondary`, source: brand, brand: docker-com)
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/docker-secondary

## Tints & shades

- Tints (toward white): #386dff, #4d7cff, #618bff, #759aff, #8fadff, #a3bcff, #b8cbff, #ccdaff, #e0e9ff, #f5f8ff
- Shades (toward black): #0a4bff, #003feb, #0038d1, #0031b8, #002a9e, #002280, #001b66, #00144d, #000c2e, #000514

## Harmonies

- Complementary: #ffc524
- Analogous: #24ccff, #5724ff
- Triadic: #ff245e, #5eff24
- Split-complementary: #ff5724, #ccff24
- Tetradic: #ff24cc, #ffc524, #24ff57

## Colors that go with Docker Secondary

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 Docker Secondary: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Campus (https://brandsweets.com/palettes/friendly#campus), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with Docker Secondary — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Toyota (https://brandsweets.com/colors/brands/toyota-com), WWE (https://brandsweets.com/colors/brands/wwe-com), Behance (https://brandsweets.com/colors/brands/behance-net), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with Docker Secondary in 7 real palettes, including Walmart's brand system and Mastodon hosted on mastodon.social's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Dropbox's brand system and Signal's brand system put Blue beside Docker Secondary, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Signal (https://brandsweets.com/colors/brands/signal-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with Docker Secondary: 11 real palettes, including Nivea's brand system and Behance's brand system, as the lead colour. Seen in: Nivea (https://brandsweets.com/colors/brands/nivea-com), Behance (https://brandsweets.com/colors/brands/behance-net), Nokia (https://brandsweets.com/colors/brands/nokia-com), NHL (https://brandsweets.com/colors/brands/nhl-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with Docker Secondary: 7 real palettes, including Roblox's brand system and Webflow's brand system, as the supporting colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with Docker Secondary: 6 real palettes, including Elastic's brand system and Calm's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Calm (https://brandsweets.com/colors/brands/calm-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with Docker Secondary: 14 real palettes, including Square's brand system and Chase's brand system, as the supporting colour. Seen in: Square (https://brandsweets.com/colors/brands/squareup-com), Chase (https://brandsweets.com/colors/brands/chase-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 5:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0040f0 (7.02:1)
- On black (#000000): 4.2:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3369ff (4.61:1); AA: background → #f5f5f5 (4.59:1); AAA: text → #6b93ff (7.24:1)

## Brands using this color

- **Docker** — secondary #2560ff — https://brandsweets.com/colors/brands/docker-com
- **Toyota** — accent #145fff (Δ 0.896) — https://brandsweets.com/colors/brands/toyota-com
- **IBM** — secondary #0f62fe (Δ 0.947) — https://brandsweets.com/colors/brands/ibm-com
- **Nivea** — secondary #0f60ff (Δ 0.963) — https://brandsweets.com/colors/brands/nivea-com
- **Cisco** — secondary #0a60ff (Δ 1.088) — https://brandsweets.com/colors/brands/cisco-com
- **Dropbox** — primary #0061ff (Δ 1.254) — https://brandsweets.com/colors/brands/dropbox-com
- **Roblox** — primary #345cfc (Δ 1.256) — https://brandsweets.com/colors/brands/roblox-com
- **IBM** — accent #0062fe (Δ 1.259) — https://brandsweets.com/colors/brands/ibm-com
- **Dropbox** — secondary #0061fe (Δ 1.275) — https://brandsweets.com/colors/brands/dropbox-com
- **Spectrum** — accent #005eff (Δ 1.507) — https://brandsweets.com/colors/brands/spectrum-com
- **OnePlus** — accent #2660f5 (Δ 1.508) — https://brandsweets.com/colors/brands/oneplus-com
- **WWE** — accent #0166ff (Δ 1.533) — https://brandsweets.com/colors/brands/wwe-com
- **Zoom** — primary #0b5cff (Δ 1.571) — https://brandsweets.com/colors/brands/zoom-us
- **Zoom** — secondary #0b5cff (Δ 1.571) — https://brandsweets.com/colors/brands/zoom-us
- **Behance** — primary #1769ff (Δ 1.924) — https://brandsweets.com/colors/brands/behance-net
- **Bose** — secondary #005bff (Δ 1.949) — https://brandsweets.com/colors/brands/bose-com
- **Yahoo** — accent #0f69ff (Δ 1.953) — https://brandsweets.com/colors/brands/yahoo-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/2560ff-9ca2c4-df724e-221f2d-e9eff1?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: "#2560ff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.