Color

#2a72b2

#2a72b2
hex#2a72b2
rgbrgb(42, 114, 178)
hslhsl(208, 62%, 43%)
oklchoklch(0.539 0.123 249.1)
Closest name: Campanula (#3473b7)Relative luminance 0.1574

Colors that go with #2a72b2

Charcoal, Crimson and Rust lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b2692a

#2ab2ad · #2a2eb2

#b22a72 · #72b22a

Split-complementary

Open in tool →

#b22a2e · #b2ad2a

#ad2ab2 · #b2692a · #2eb22a

Contrast

#2a72b2 as textRatioAAAA largeAAAFix
Aaon white
5.06:1passpassfail
  • AAA: use #215a8c as the text (7.23:1)
Aaon black
4.15:1failpassfail
  • AA: use #2d7abe as the text (4.64:1)
  • AAA: use #569bd7 as the text (7.07:1)
  • AA: or shift the background to #f2f2f2 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a72b2 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2a72b2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a72b2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2a72b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a72b2-9cadc4-df4e51-1f212d-e9f1f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md