Color

#2d52b9

#2d52b9
hex#2d52b9
rgbrgb(45, 82, 185)
hslhsl(224, 61%, 45%)
oklchoklch(0.474 0.168 265.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.101

Colors that go with #2d52b9

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 →

#b9932d

#2d98b9 · #4d2db9

#b92d52 · #52b92d

Split-complementary

Open in tool →

#b94d2d · #98b92d

#b92d98 · #b9932d · #2db94d

Contrast

#2d52b9 as textRatioAAAA largeAAAFix
Aaon white
6.96:1passpassfail
  • AAA: use #2c50b5 as the text (7.19:1)
Aaon black
3.02:1failpassfail
  • AA: use #4a6fd3 as the text (4.51:1)
  • AAA: use #7893de as the text (7.03:1)
  • AA: or shift the background to #d1d1d1 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d52b9 as the background.

Brands using this color

Fonts for this mood

#2d52b9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d52b9
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 #2d52b9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d52b9-9ca2c4-df724e-221f2d-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