# #2173ba

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

## Values

- Hex: `#2173ba`
- RGB: rgb(33, 115, 186)
- HSL: hsl(208, 70%, 43%)
- OKLCH: oklch(0.544 0.134 249.5)
- Relative luminance: 0.1613
- Nearest named color: Campanula (#3473b7, Δ 1.267) — https://brandsweets.com/colors/campanula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2173ba

## Tints & shades

- Tints (toward white): #2583d4, #388fdc, #529ee0, #67aae4, #81b9e9, #97c5ed, #b1d3f1, #c7dff5, #e1eefa, #f6fafd
- Shades (toward black): #1e68a9, #1b5d98, #185386, #154875, #124068, #0f3557, #0c2b45, #092034, #061523, #030b11

## Harmonies

- Complementary: #ba6921
- Analogous: #21bab5, #2126ba
- Triadic: #ba2173, #73ba21
- Split-complementary: #ba2126, #bab521
- Tetradic: #b521ba, #ba6921, #26ba21

## Colors that go with #2173ba

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 #2173ba: 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 #2173ba — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #2173ba 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 #2173ba in 9 real palettes, including Lemon Squeezy's brand system and Wired's brand system, as the lead colour. Seen in: Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wired (https://brandsweets.com/colors/brands/wired-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #2173ba, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), BBC (https://brandsweets.com/colors/brands/bbc-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #2173ba: 12 real palettes, including General Mills's brand system and Glacier, as the supporting colour. Seen in: General Mills (https://brandsweets.com/colors/brands/generalmills-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Intel (https://brandsweets.com/colors/brands/intel-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #2173ba: 5 real palettes, including Coca-Cola's brand system and NBA's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), NBA (https://brandsweets.com/colors/brands/nba-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 #2173ba: 7 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

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

- On white (#ffffff): 4.97:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1a5b93 (7.09:1)
- On black (#000000): 4.23:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2278c3 (4.54:1); AA: background → #f5f5f5 (4.56:1); AAA: text → #4d9be0 (7.08:1)

## Brands using this color

- **Skechers** — accent #1973c1 (Δ 1.124) — https://brandsweets.com/colors/brands/skechers-com
- **General Mills** — accent #0074c1 (Δ 1.352) — https://brandsweets.com/colors/brands/generalmills-com
- **State Farm** — accent #0a70bc (Δ 1.367) — https://brandsweets.com/colors/brands/statefarm-com
- **Dollar General** — accent #2a77bd (Δ 1.374) — https://brandsweets.com/colors/brands/dollargeneral-com
- **Venmo** — accent #0070ba (Δ 1.492) — https://brandsweets.com/colors/brands/venmo-com
- **American Express** — primary #2e77bc (Δ 1.512) — https://brandsweets.com/colors/brands/americanexpress-com
- **The New York Times** — secondary #346eb7 (Δ 1.644) — https://brandsweets.com/colors/brands/nytimes-com
- **AT&T** — secondary #0072b2 (Δ 1.762) — https://brandsweets.com/colors/brands/att-com
- **Linkedin** — primary #0073b1 (Δ 1.866) — https://brandsweets.com/colors/brands/linkedin-com
- **KLM** — secondary #0070c2 (Δ 1.959) — https://brandsweets.com/colors/brands/klm-com

## Curated palettes containing it

- **Glacier** (winter, cool, clean, technical) — #0077b6, #90e0ef, #023e8a, #f3f9fc, #03045e — Three blues from ice to deep water on a pale surface — a monochromatic winter set with real depth. — tool: https://brandsweets.com/palettes/new/0077b6-90e0ef-023e8a-f3f9fc-03045e — collection: https://brandsweets.com/palettes/winter
- **Deep Water** (ocean, dark, cool, luxury) — #00b4d8, #0077b6, #caf0f8, #03045e, #e8f6fb — Cyan and mid-blue on abyss navy with a foam highlight — the ocean at depth; the darker the surface, the brighter the water. — tool: https://brandsweets.com/palettes/new/00b4d8-0077b6-caf0f8-03045e-e8f6fb — collection: https://brandsweets.com/palettes/ocean

## 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/2173ba-9cadc4-df4e51-1f212d-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: "#2173ba" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.