# #2b72ab

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

## Values

- Hex: `#2b72ab`
- RGB: rgb(43, 114, 171)
- HSL: hsl(207, 60%, 42%)
- OKLCH: oklch(0.535 0.114 246.5)
- Relative luminance: 0.1549
- Nearest named color: Brilliant Blue (#0075b3, Δ 1.856) — https://brandsweets.com/colors/brilliant-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2b72ab

## Tints & shades

- Tints (toward white): #3182c4, #3f8ecf, #589dd5, #6ca9da, #85b7e0, #9dc5e7, #b1d1ec, #cae0f2, #deecf7, #f7fafd
- Shades (toward black): #27679b, #235c8b, #20547e, #1c496e, #173e5e, #13334e, #0f293d, #0c2031, #081621, #040b10

## Harmonies

- Complementary: #ab652b
- Analogous: #2baba5, #2b31ab
- Triadic: #ab2b72, #72ab2b
- Split-complementary: #ab2b31, #aba52b
- Tetradic: #a52bab, #ab652b, #31ab2b

## Colors that go with #2b72ab

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 #2b72ab: softer than #000 and cool enough to feel like part of the same palette. Seen in: Amazon (https://brandsweets.com/colors/brands/amazon-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #2b72ab — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com). — https://brandsweets.com/colors/crimson
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #2b72ab: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Etsy (https://brandsweets.com/colors/brands/etsy-com), Semrush (https://brandsweets.com/colors/brands/semrush-com), Gallery (https://brandsweets.com/palettes/editorial#gallery). — https://brandsweets.com/colors/rust
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #2b72ab 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 #2b72ab in 8 real palettes, including Lemon Squeezy's brand system and McDonald's's brand system, as the lead colour. Seen in: Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wired (https://brandsweets.com/colors/brands/wired-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #2b72ab, 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), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #2b72ab: 10 real palettes, including Glacier and Hershey's's brand system, as the accent. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #2b72ab: 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

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

- On white (#ffffff): 5.12:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #235c8b (7.06:1)
- On black (#000000): 4.1:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2e7ab8 (4.59:1); AA: background → #f2f2f2 (4.58:1); AAA: text → #589dd5 (7.2:1)

## Brands using this color

- **Discover** — secondary #1e71ac (Δ 0.872) — https://brandsweets.com/colors/brands/discover-com
- **Discover** — accent #2477ab (Δ 1.447) — https://brandsweets.com/colors/brands/discover-com
- **Lemon Squeezy** — accent #0075ad (Δ 1.631) — https://brandsweets.com/colors/brands/lemonsqueezy-com
- **Linkedin** — primary #0073b1 (Δ 1.726) — https://brandsweets.com/colors/brands/linkedin-com
- **Capital One** — accent #0276b1 (Δ 1.77) — https://brandsweets.com/colors/brands/capitalone-com
- **AT&T** — secondary #0072b2 (Δ 1.873) — https://brandsweets.com/colors/brands/att-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/2b72ab-9cadc4-df4e53-1f212d-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: "#2b72ab" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.