# #1663df

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

## Values

- Hex: `#1663df`
- RGB: rgb(22, 99, 223)
- HSL: hsl(217, 82%, 48%)
- OKLCH: oklch(0.533 0.203 260.3)
- Relative luminance: 0.1442
- Nearest named color: Bluetiful (#3c69e7, Δ 3.47) — https://brandsweets.com/colors/bluetiful
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1663df

## Tints & shades

- Tints (toward white): #2570e9, #3c7fec, #538fee, #6a9ef0, #82adf3, #99bcf5, #b0cbf7, #c7dbf9, #dfeafc, #f6f9fe
- Shades (toward black): #145bcc, #1250b5, #1048a2, #0e3e8b, #0c3679, #0a2d66, #08234f, #061b3c, #041025, #020813

## Harmonies

- Complementary: #df9216
- Analogous: #16c7df, #2d16df
- Triadic: #df1663, #63df16
- Split-complementary: #df2d16, #c7df16
- Tetradic: #df16c7, #df9216, #16df2d

## Colors that go with #1663df

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 #1663df: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Docker (https://brandsweets.com/colors/brands/docker-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #1663df — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Chase (https://brandsweets.com/colors/brands/chase-com), WWE (https://brandsweets.com/colors/brands/wwe-com), Toyota (https://brandsweets.com/colors/brands/toyota-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #1663df in 7 real palettes, including NBA's brand system and Walmart's brand system, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Walmart (https://brandsweets.com/colors/brands/walmart-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Headspace's brand system and BBC's brand system put Blue beside #1663df, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), BBC (https://brandsweets.com/colors/brands/bbc-com), EA (https://brandsweets.com/colors/brands/ea-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #1663df: 12 real palettes, including Carrefour's brand system and NHL's brand system, as the accent. Seen in: Carrefour (https://brandsweets.com/colors/brands/carrefour-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Nivea (https://brandsweets.com/colors/brands/nivea-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #1663df: 8 real palettes, including NBA's brand system and Webflow's brand system, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Roblox (https://brandsweets.com/colors/brands/roblox-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 #1663df: 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), Astro (https://brandsweets.com/colors/brands/astro-build), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #1663df: 6 real palettes, including HashiCorp's brand system and Apple's brand system, as the supporting colour. Seen in: HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Apple (https://brandsweets.com/colors/brands/apple-com), OnePlus (https://brandsweets.com/colors/brands/oneplus-com), Coursera (https://brandsweets.com/colors/brands/coursera-org). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 5.41:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1252ba (7.14:1)
- On black (#000000): 3.88:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2570e9 (4.57:1); AA: background → #ebebeb (4.53:1); AAA: text → #5d95ef (7.01:1)

## Brands using this color

- **1password** — accent #145fe4 (Δ 1.254) — https://brandsweets.com/colors/brands/1password-com
- **Loom** — primary #1868db (Δ 1.433) — https://brandsweets.com/colors/brands/loom-com
- **Loom** — secondary #1868db (Δ 1.433) — https://brandsweets.com/colors/brands/loom-com
- **HashiCorp** — primary #2264d6 (Δ 1.515) — https://brandsweets.com/colors/brands/hashicorp-com
- **HashiCorp** — accent #2264d6 (Δ 1.515) — https://brandsweets.com/colors/brands/hashicorp-com
- **GitHub** — accent #0969da (Δ 1.689) — https://brandsweets.com/colors/brands/github
- **Box** — primary #0061d5 (Δ 1.82) — https://brandsweets.com/colors/brands/box-com
- **Box** — secondary #0061d5 (Δ 1.82) — https://brandsweets.com/colors/brands/box-com
- **Philips** — secondary #0b5ed7 (Δ 1.852) — https://brandsweets.com/colors/brands/philips-com
- **NBA** — secondary #0268d6 (Δ 1.935) — https://brandsweets.com/colors/brands/nba-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/1663df-9ca7c4-df624e-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: "#1663df" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.