# #0166fe

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

## Values

- Hex: `#0166fe`
- RGB: rgb(1, 102, 254)
- HSL: hsl(216, 99%, 50%)
- OKLCH: oklch(0.563 0.24 260.8)
- Relative luminance: 0.1666
- Nearest named color: Blue Ribbon (#0066ff, Δ 0.15) — https://brandsweets.com/colors/blue-ribbon
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0166fe

## Tints & shades

- Tints (toward white): #1b76fe, #3485fe, #4891fe, #62a0fe, #7bb0fe, #94bffe, #aeceff, #c2daff, #dbeaff, #f5f9ff
- Shades (toward black): #015ce4, #0154d0, #014ab7, #0141a2, #013789, #012d70, #00255b, #001b42, #00122e, #000814

## Harmonies

- Complementary: #fe9901
- Analogous: #01e4fe, #1b01fe
- Triadic: #fe0166, #66fe01
- Split-complementary: #fe1b01, #e4fe01
- Tetradic: #fe01e4, #fe9901, #01fe1b

## Colors that go with #0166fe

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 #0166fe: 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), Disney (https://brandsweets.com/colors/brands/disney-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #0166fe — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: WWE (https://brandsweets.com/colors/brands/wwe-com), Behance (https://brandsweets.com/colors/brands/behance-net), Toyota (https://brandsweets.com/colors/brands/toyota-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #0166fe in 7 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] — 12 real palettes, including Dropbox's brand system and MongoDB's brand system put Blue beside #0166fe, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #0166fe: 12 real palettes, including Behance's brand system and Nivea's brand system, as the supporting colour. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #0166fe: 6 real palettes, including Webflow's brand system and Roblox's brand system, as the accent. Seen in: Webflow (https://brandsweets.com/colors/brands/webflow-com), Roblox (https://brandsweets.com/colors/brands/roblox-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 #0166fe: 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), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0166fe: 15 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): 4.85:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0150c6 (7.08:1)
- On black (#000000): 4.33:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #0b6cfe (4.59:1); AA: background → #f7f7f7 (4.52:1); AAA: text → #5297fe (7.22:1)

## Brands using this color

- **WWE** — accent #0166ff (Δ 0.151) — https://brandsweets.com/colors/brands/wwe-com
- **Yahoo** — accent #0f69ff (Δ 0.849) — https://brandsweets.com/colors/brands/yahoo-com
- **IBM** — secondary #0f62fe (Δ 0.856) — https://brandsweets.com/colors/brands/ibm-com
- **IBM** — accent #0062fe (Δ 0.906) — https://brandsweets.com/colors/brands/ibm-com
- **Square** — primary #006aff (Δ 0.927) — https://brandsweets.com/colors/brands/squareup-com
- **Square** — accent #006aff (Δ 0.927) — https://brandsweets.com/colors/brands/squareup-com
- **Behance** — primary #1769ff (Δ 1.023) — https://brandsweets.com/colors/brands/behance-net
- **Dropbox** — secondary #0061fe (Δ 1.127) — https://brandsweets.com/colors/brands/dropbox-com
- **Dropbox** — primary #0061ff (Δ 1.129) — https://brandsweets.com/colors/brands/dropbox-com
- **Nivea** — secondary #0f60ff (Δ 1.281) — https://brandsweets.com/colors/brands/nivea-com
- **Cisco** — secondary #0a60ff (Δ 1.294) — https://brandsweets.com/colors/brands/cisco-com
- **Toyota** — accent #145fff (Δ 1.484) — https://brandsweets.com/colors/brands/toyota-com
- **MongoDB** — secondary #006cfa (Δ 1.506) — https://brandsweets.com/colors/brands/mongodb-com
- **Docker** — secondary #2560ff (Δ 1.548) — https://brandsweets.com/colors/brands/docker-com
- **Spectrum** — accent #005eff (Δ 1.779) — https://brandsweets.com/colors/brands/spectrum-com
- **Elastic** — accent #0d6efd (Δ 1.947) — https://brandsweets.com/colors/brands/elastic-co

## 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/0166fe-9ca7c4-df5f4e-201f2d-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: "#0166fe" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.