# #1663b1

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

## Values

- Hex: `#1663b1`
- RGB: rgb(22, 99, 177)
- HSL: hsl(210, 78%, 39%)
- OKLCH: oklch(0.498 0.143 253.4)
- Relative luminance: 0.1227
- Nearest named color: Denim (#1560bd, Δ 2.168) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1663b1

## Tints & shades

- Tints (toward white): #1973cc, #2182e4, #3c91e7, #57a1ea, #72b0ee, #89bdf0, #a4ccf4, #bfdbf7, #dbebfb, #f6fafe
- Shades (toward black): #145ca3, #125291, #104a84, #0e4071, #0c3864, #0a2e52, #082644, #061c32, #041424, #020a12

## Harmonies

- Complementary: #b16316
- Analogous: #16b1b1, #1616b1
- Triadic: #b11663, #63b116
- Split-complementary: #b11616, #b1b116
- Tetradic: #b116b1, #b16316, #16b116

## Colors that go with #1663b1

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 #1663b1: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #1663b1 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Costco (https://brandsweets.com/colors/brands/costco-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #1663b1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dyson (https://brandsweets.com/colors/brands/dyson-com). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with #1663b1 in 8 real palettes, including McDonald's's brand system and Warner Bros.'s brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 12 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #1663b1, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #1663b1: 5 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), NBA (https://brandsweets.com/colors/brands/nba-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1663b1: 6 real palettes, including Venmo's brand system and Deep Water, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #1663b1: 6 real palettes, including Venmo's brand system and Apple's brand system, as the lead colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Apple (https://brandsweets.com/colors/brands/apple-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Coursera (https://brandsweets.com/colors/brands/coursera-org). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 6.08:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #14599f (7.1:1)
- On black (#000000): 3.45:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1a75d1 (4.51:1); AA: background → #dedede (4.52:1); AAA: text → #4999e9 (7.02:1)

## Brands using this color

- **Dell** — secondary #0063b8 (Δ 1.231) — https://brandsweets.com/colors/brands/dell-com
- **Xbox** — secondary #0067b8 (Δ 1.442) — https://brandsweets.com/colors/brands/xbox-com
- **Activision** — secondary #0768af (Δ 1.484) — https://brandsweets.com/colors/brands/activision-com
- **Skechers** — secondary #0063ba (Δ 1.511) — https://brandsweets.com/colors/brands/skechers-com
- **Target : Expect More. Pay Less.** — accent #005fb8 (Δ 1.85) — https://brandsweets.com/colors/brands/target-com
- **American Express** — secondary #005dae (Δ 1.992) — https://brandsweets.com/colors/brands/americanexpress-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/1663b1-9cabc4-df514e-1f202d-e9f1f1?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: "#1663b1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.