# #1663fe

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

## Values

- Hex: `#1663fe`
- RGB: rgb(22, 99, 254)
- HSL: hsl(220, 99%, 54%)
- OKLCH: oklch(0.559 0.241 262.3)
- Relative luminance: 0.1625
- Nearest named color: Blue Ribbon (#0066ff, Δ 0.743) — https://brandsweets.com/colors/blue-ribbon
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1663fe

## Tints & shades

- Tints (toward white): #2a71fe, #4382fe, #588ffe, #71a0fe, #85aefe, #9abbfe, #b3ccff, #c7daff, #e1ebff, #f5f8ff
- Shades (toward black): #0154f9, #014bdf, #0143c6, #013aad, #013293, #01297a, #002060, #001847, #000f2e, #000714

## Harmonies

- Complementary: #feb016
- Analogous: #16d7fe, #3c16fe
- Triadic: #fe1663, #63fe16
- Split-complementary: #fe3c16, #d7fe16
- Tetradic: #fe16d7, #feb016, #16fe3c

## Colors that go with #1663fe

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 #1663fe: 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 #1663fe — 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), Toyota (https://brandsweets.com/colors/brands/toyota-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 #1663fe 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] — 11 real palettes, including Dropbox's brand system and MongoDB's brand system put Blue beside #1663fe, 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), Signal (https://brandsweets.com/colors/brands/signal-org). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #1663fe: 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 #1663fe: 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 #1663fe: 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 #1663fe: 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): 4.94:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0149da (7.08:1)
- On black (#000000): 4.25:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #206afe (4.55:1); AA: background → #f5f5f5 (4.53:1); AAA: text → #5d92fe (7.01:1)

## Brands using this color

- **IBM** — secondary #0f62fe (Δ 0.362) — https://brandsweets.com/colors/brands/ibm-com
- **IBM** — accent #0062fe (Δ 0.667) — https://brandsweets.com/colors/brands/ibm-com
- **WWE** — accent #0166ff (Δ 0.734) — https://brandsweets.com/colors/brands/wwe-com
- **Nivea** — secondary #0f60ff (Δ 0.767) — https://brandsweets.com/colors/brands/nivea-com
- **Dropbox** — primary #0061ff (Δ 0.82) — https://brandsweets.com/colors/brands/dropbox-com
- **Dropbox** — secondary #0061fe (Δ 0.82) — https://brandsweets.com/colors/brands/dropbox-com
- **Cisco** — secondary #0a60ff (Δ 0.841) — https://brandsweets.com/colors/brands/cisco-com
- **Docker** — secondary #2560ff (Δ 0.842) — https://brandsweets.com/colors/brands/docker-com
- **Toyota** — accent #145fff (Δ 0.906) — https://brandsweets.com/colors/brands/toyota-com
- **Yahoo** — accent #0f69ff (Δ 1.319) — https://brandsweets.com/colors/brands/yahoo-com
- **Behance** — primary #1769ff (Δ 1.379) — https://brandsweets.com/colors/brands/behance-net
- **Spectrum** — accent #005eff (Δ 1.382) — https://brandsweets.com/colors/brands/spectrum-com
- **Square** — primary #006aff (Δ 1.525) — https://brandsweets.com/colors/brands/squareup-com
- **Square** — accent #006aff (Δ 1.525) — https://brandsweets.com/colors/brands/squareup-com
- **OnePlus** — accent #2660f5 (Δ 1.587) — https://brandsweets.com/colors/brands/oneplus-com
- **Zoom** — primary #0b5cff (Δ 1.653) — https://brandsweets.com/colors/brands/zoom-us
- **Zoom** — secondary #0b5cff (Δ 1.653) — https://brandsweets.com/colors/brands/zoom-us
- **Wayfair** — secondary #1364f1 (Δ 1.983) — https://brandsweets.com/colors/brands/wayfair-com
- **Bose** — secondary #005bff (Δ 1.99) — https://brandsweets.com/colors/brands/bose-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/1663fe-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: "#1663fe" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.