Color

#2a4ea2

#2a4ea2
hex#2a4ea2
rgbrgb(42, 78, 162)
hslhsl(222, 59%, 40%)
oklchoklch(0.447 0.142 264)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0855

Colors that go with #2a4ea2

Charcoal, Sea Green and Steel 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 →

#a27e2a

#2a8aa2 · #422aa2

#a22a4e · #4ea22a

Split-complementary

Open in tool →

#a2422a · #8aa22a

#a22a8a · #a27e2a · #2aa242

Contrast

#2a4ea2 as textRatioAAAA largeAAAFix
Aaon white
7.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.71:1failfailfail
  • AA: use #4971d0 as the text (4.56:1)
  • AAA: use #7594db as the text (7.02:1)
  • AA: or shift the background to #c7c7c7 (4.58:1)
  • AAA: or shift the background to #f5f5f5 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a4ea2 as the background.

Brands using this color

Fonts for this mood

#2a4ea2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a4ea2
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 #2a4ea2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a4ea2-9ca3c4-df6e4e-211f2d-e9eff1?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