# #216eb5

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

## Values

- Hex: `#216eb5`
- RGB: rgb(33, 110, 181)
- HSL: hsl(209, 69%, 42%)
- OKLCH: oklch(0.529 0.133 250.7)
- Relative luminance: 0.1481
- Nearest named color: Campanula (#3473b7, Δ 2.097) — https://brandsweets.com/colors/campanula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/216eb5

## Tints & shades

- Tints (toward white): #267dcf, #348ada, #4e99df, #64a5e3, #7eb4e7, #98c3ec, #add0f0, #c7dff5, #ddebf9, #f6fafd
- Shades (toward black): #1e63a4, #1b5993, #195186, #154674, #123c63, #0f3252, #0c2741, #091f34, #061522, #030a11

## Harmonies

- Complementary: #b56921
- Analogous: #21b5b3, #2124b5
- Triadic: #b5216e, #6eb521
- Split-complementary: #b52124, #b5b321
- Tetradic: #b321b5, #b56921, #24b521

## Colors that go with #216eb5

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 #216eb5: softer than #000 and cool enough to feel like part of the same palette. Seen in: 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), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #216eb5 — 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), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #216eb5 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 #216eb5 in 9 real palettes, including McDonald's's brand system and Lemon Squeezy's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wired (https://brandsweets.com/colors/brands/wired-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #216eb5, 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), BBC (https://brandsweets.com/colors/brands/bbc-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #216eb5: 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 #216eb5: 4 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 #216eb5: 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): 5.3:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1c5b97 (7.02:1)
- On black (#000000): 3.96:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2478c6 (4.58:1); AA: background → #ededed (4.53:1); AAA: text → #539bdf (7.12:1)

## Brands using this color

- **LEGO** — accent #006db7 (Δ 1.209) — https://brandsweets.com/colors/brands/lego-com
- **Venmo** — accent #0070ba (Δ 1.212) — https://brandsweets.com/colors/brands/venmo-com
- **State Farm** — accent #0a70bc (Δ 1.279) — https://brandsweets.com/colors/brands/statefarm-com
- **The New York Times** — secondary #346eb7 (Δ 1.361) — https://brandsweets.com/colors/brands/nytimes-com
- **AT&T** — secondary #0072b2 (Δ 1.568) — https://brandsweets.com/colors/brands/att-com
- **Discover** — secondary #1e71ac (Δ 1.82) — https://brandsweets.com/colors/brands/discover-com
- **Linkedin** — primary #0073b1 (Δ 1.852) — https://brandsweets.com/colors/brands/linkedin-com
- **McDonald's** — accent #006bae (Δ 1.906) — https://brandsweets.com/colors/brands/mcdonalds-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/216eb5-9cacc4-df4e4e-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: "#216eb5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.