Color

#2a72ac

#2a72ac
hex#2a72ac
rgbrgb(42, 114, 172)
hslhsl(207, 61%, 42%)
oklchoklch(0.536 0.115 246.7)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1551

Colors that go with #2a72ac

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 →

#ac652a

#2aaca6 · #2a30ac

#ac2a72 · #72ac2a

Split-complementary

Open in tool →

#ac2a30 · #aca62a

#a62aac · #ac652a · #30ac2a

Contrast

#2a72ac as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #225c8c as the text (7.05:1)
Aaon black
4.1:1failpassfail
  • AA: use #2d7ab9 as the text (4.6:1)
  • AAA: use #579dd6 as the text (7.2:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a72ac as the background.

Brands using this color

Fonts for this mood

#2a72ac reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a72ac
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 #2a72ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a72ac-9cadc4-df4e53-1f212d-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