Color

#2d65a4

#2d65a4
hex#2d65a4
rgbrgb(45, 101, 164)
hslhsl(212, 57%, 41%)
oklchoklch(0.501 0.117 253.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1255

Colors that go with #2d65a4

Charcoal, Crimson and Sea Green 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 →

#a46d2d

#2da0a4 · #312da4

#a42d65 · #65a42d

Split-complementary

Open in tool →

#a4312d · #a0a42d

#a42da0 · #a46d2d · #2da431

Contrast

#2d65a4 as textRatioAAAA largeAAAFix
Aaon white
5.98:1passpassfail
  • AAA: use #275890 as the text (7.28:1)
Aaon black
3.51:1failpassfail
  • AA: use #3576c0 as the text (4.5:1)
  • AAA: use #679ad5 as the text (7.16:1)
  • AA: or shift the background to #e0e0e0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d65a4 as the background.

Brands using this color

Fonts for this mood

#2d65a4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d65a4
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 #2d65a4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d65a4-9caac4-df564e-1f202d-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