# #2b4dca

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

## Values

- Hex: `#2b4dca`
- RGB: rgb(43, 77, 202)
- HSL: hsl(227, 65%, 48%)
- OKLCH: oklch(0.478 0.197 266.7)
- Relative luminance: 0.1009
- Nearest named color: Denim (#1560bd, Δ 5.152) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2b4dca

## Tints & shades

- Tints (toward white): #395bd5, #4e6cda, #637ede, #788fe2, #8da1e7, #a2b2eb, #b7c4f0, #cdd5f4, #e2e7f9, #f7f8fd
- Shades (toward black): #2747b9, #233fa4, #1f3893, #1b307e, #172a6d, #14235d, #0f1b48, #0c1537, #070d22, #040611

## Harmonies

- Complementary: #caa72b
- Analogous: #2b9dca, #582bca
- Triadic: #ca2b4d, #4dca2b
- Split-complementary: #ca582b, #9dca2b
- Tetradic: #ca2b9d, #caa72b, #2bca58

## Colors that go with #2b4dca

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 #2b4dca: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #2b4dca — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #2b4dca's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: American Express (https://brandsweets.com/colors/brands/americanexpress-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Discover (https://brandsweets.com/colors/brands/discover-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #2b4dca in 7 real palettes, including Walmart's brand system and Warner Bros.'s brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Zillow's brand system and Pixar's brand system put Blue beside #2b4dca, as the lead colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Tesco (https://brandsweets.com/colors/brands/tesco-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #2b4dca: 9 real palettes, including Gopro's brand system and Coca-Cola's brand system, as the supporting colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #2b4dca in 19 real palettes, including Chase's brand system and Behance's brand system, as the accent. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Behance (https://brandsweets.com/colors/brands/behance-net), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #2b4dca: 7 real palettes, including Kraken's brand system and Venmo's brand system, as the accent. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Calm (https://brandsweets.com/colors/brands/calm-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 6.96:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2a4cc6 (7.12:1)
- On black (#000000): 3.02:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5270da (4.69:1); AA: background → #d1d1d1 (4.56:1); AAA: text → #7d93e3 (7.15:1)

## Brands using this color

- **UEFA** — accent #1e4fd0 (Δ 1.331) — https://brandsweets.com/colors/brands/uefa-com
- **Etsy** — accent #254ec1 (Δ 1.531) — https://brandsweets.com/colors/brands/etsy-com
- **Warbyparker** — accent #1050d0 (Δ 1.878) — https://brandsweets.com/colors/brands/warbyparker-com
- **Purina Pro Plan** — accent #1c49c4 (Δ 1.974) — https://brandsweets.com/colors/brands/chewy-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/2b4dca-9ca0c4-df7a4e-221f2d-e9eff1?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: "#2b4dca" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.