# #0a5cff

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

## Values

- Hex: `#0a5cff`
- RGB: rgb(10, 92, 255)
- HSL: hsl(220, 100%, 52%)
- OKLCH: oklch(0.546 0.251 262.4)
- Relative luminance: 0.1494
- Nearest named color: Blue Ribbon (#0066ff, Δ 2.139) — https://brandsweets.com/colors/blue-ribbon
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0a5cff

## Tints & shades

- Tints (toward white): #246dff, #387aff, #528bff, #6699ff, #80aaff, #99bbff, #adc9ff, #c7daff, #dbe7ff, #f5f8ff
- Shades (toward black): #0050f0, #0047d6, #0041c2, #0038a8, #00308f, #002775, #001f5c, #001847, #000f2e, #000714

## Harmonies

- Complementary: #ffad0a
- Analogous: #0ad6ff, #330aff
- Triadic: #ff0a5c, #5cff0a
- Split-complementary: #ff330a, #d6ff0a
- Tetradic: #ff0ad6, #ffad0a, #0aff33

## Colors that go with #0a5cff

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 #0a5cff: softer than #000 and cool enough to feel like part of the same palette. Seen in: Zoom (https://brandsweets.com/colors/brands/zoom-us), Docker (https://brandsweets.com/colors/brands/docker-com), Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #0a5cff — 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), Coinbase (https://brandsweets.com/colors/brands/coinbase), WWE (https://brandsweets.com/colors/brands/wwe-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #0a5cff in 6 real palettes, including Walmart's brand system and NBA's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Dropbox's brand system and Headspace's brand system put Blue beside #0a5cff, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Signal (https://brandsweets.com/colors/brands/signal-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #0a5cff: 10 real palettes, including Nokia's brand system and Nivea's brand system, as the lead colour. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Nivea (https://brandsweets.com/colors/brands/nivea-com), Behance (https://brandsweets.com/colors/brands/behance-net), NHL (https://brandsweets.com/colors/brands/nhl-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #0a5cff: 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), NBA (https://brandsweets.com/colors/brands/nba-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #0a5cff: 6 real palettes, including Elastic's brand system and Warp's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Warp (https://brandsweets.com/colors/brands/warp-dev), Calm (https://brandsweets.com/colors/brands/calm-com), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0a5cff: 14 real palettes, including Chase's brand system and Square's brand system, as the lead colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Square (https://brandsweets.com/colors/brands/squareup-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): 5.27:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0049db (7.06:1)
- On black (#000000): 3.99:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1f69ff (4.52:1); AA: background → #f0f0f0 (4.62:1); AAA: text → #5c92ff (7.01:1)

## Brands using this color

- **Zoom** — primary #0b5cff (Δ 0.023) — https://brandsweets.com/colors/brands/zoom-us
- **Zoom** — secondary #0b5cff (Δ 0.023) — https://brandsweets.com/colors/brands/zoom-us
- **Bose** — secondary #005bff (Δ 0.358) — https://brandsweets.com/colors/brands/bose-com
- **Spectrum** — accent #005eff (Δ 0.416) — https://brandsweets.com/colors/brands/spectrum-com
- **Nokia** — accent #005aff (Δ 0.542) — https://brandsweets.com/colors/brands/nokia-com
- **Toyota** — accent #145fff (Δ 0.784) — https://brandsweets.com/colors/brands/toyota-com
- **Cisco** — secondary #0a60ff (Δ 0.862) — https://brandsweets.com/colors/brands/cisco-com
- **Nivea** — secondary #0f60ff (Δ 0.909) — https://brandsweets.com/colors/brands/nivea-com
- **Dropbox** — primary #0061ff (Δ 1.033) — https://brandsweets.com/colors/brands/dropbox-com
- **Dropbox** — secondary #0061fe (Δ 1.039) — https://brandsweets.com/colors/brands/dropbox-com
- **IBM** — accent #0062fe (Δ 1.254) — https://brandsweets.com/colors/brands/ibm-com
- **IBM** — secondary #0f62fe (Δ 1.346) — https://brandsweets.com/colors/brands/ibm-com
- **Framer** — primary #0055ff (Δ 1.545) — https://brandsweets.com/colors/brands/framer
- **Docker** — secondary #2560ff (Δ 1.591) — https://brandsweets.com/colors/brands/docker-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/0a5cff-9ca5c4-df694e-211f2d-e9f0f1?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: "#0a5cff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.