# #166ec5

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

## Values

- Hex: `#166ec5`
- RGB: rgb(22, 110, 197)
- HSL: hsl(210, 80%, 43%)
- OKLCH: oklch(0.537 0.156 253.3)
- Relative luminance: 0.1535
- Nearest named color: Campanula (#3473b7, Δ 3.334) — https://brandsweets.com/colors/campanula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/166ec5

## Tints & shades

- Tints (toward white): #197de1, #2c8ae8, #4799eb, #5ea6ed, #7ab5f0, #91c2f3, #acd1f6, #c3def8, #dfedfb, #f6fafe
- Shades (toward black): #1463b3, #1259a1, #104f8e, #0e457c, #0c3d6e, #0a335c, #082949, #061f37, #041425, #020a12

## Harmonies

- Complementary: #c56e16
- Analogous: #16c5c5, #1616c5
- Triadic: #c5166e, #6ec516
- Split-complementary: #c51616, #c5c516
- Tetradic: #c516c5, #c56e16, #16c516

## Colors that go with #166ec5

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 #166ec5: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #166ec5 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #166ec5 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 #166ec5 in 11 real palettes, including Wikipedia's brand system and NBA's brand system, as the accent. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), NBA (https://brandsweets.com/colors/brands/nba-com), Walmart (https://brandsweets.com/colors/brands/walmart-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 16 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #166ec5, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), BBC (https://brandsweets.com/colors/brands/bbc-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #166ec5: 13 real palettes, including Intel's brand system and General Mills's brand system, as the lead colour. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #166ec5: 6 real palettes, including NBA's brand system and Coca-Cola's brand system, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #166ec5: 7 real palettes, including Venmo's brand system and Astro's brand system, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 5.16:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1259a1 (7.07:1)
- On black (#000000): 4.07:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1775d3 (4.52:1); AA: background → #f0f0f0 (4.53:1); AAA: text → #4799eb (7.02:1)

## Brands using this color

- **PlanetScale** — accent #0b6ec5 (Δ 0.328) — https://brandsweets.com/colors/brands/planetscale-com
- **Intel** — secondary #0071c5 (Δ 0.881) — https://brandsweets.com/colors/brands/intel-com
- **KLM** — secondary #0070c2 (Δ 0.909) — https://brandsweets.com/colors/brands/klm-com
- **Dell** — accent #0672cb (Δ 1.3) — https://brandsweets.com/colors/brands/dell-com
- **Pizza Hut** — accent #266dcc (Δ 1.423) — https://brandsweets.com/colors/brands/pizzahut-com
- **American Express** — accent #006fcf (Δ 1.57) — https://brandsweets.com/colors/brands/americanexpress-com
- **Skechers** — accent #1973c1 (Δ 1.633) — https://brandsweets.com/colors/brands/skechers-com
- **State Farm** — accent #0a70bc (Δ 1.644) — https://brandsweets.com/colors/brands/statefarm-com
- **General Mills** — accent #0074c1 (Δ 1.859) — https://brandsweets.com/colors/brands/generalmills-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/166ec5-9cabc4-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: "#166ec5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.