Color

#2a4374

#2a4374
hex#2a4374
rgbrgb(42, 67, 116)
hslhsl(220, 47%, 31%)
oklchoklch(0.389 0.089 262.6)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0577

Colors that go with #2a4374

Teal, Blue and Cadet Blue 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 →

#745b2a

#2a6874 · #362a74

#742a43 · #43742a

Split-complementary

Open in tool →

#74362a · #68742a

#742a68 · #745b2a · #2a7436

Contrast

#2a4374 as textRatioAAAA largeAAAFix
Aaon white
9.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #4f74bf as the text (4.58:1)
  • AAA: use #7c98d0 as the text (7.26:1)
  • AA: or shift the background to #b3b3b3 (4.65:1)
  • AAA: or shift the background to #dbdbdb (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a4374 as the background.

Brands using this color

Fonts for this mood

#2a4374 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a4374
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 #2a4374 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a4374-9ca5c4-df694e-211f2d-e9f0f1?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