Color

#2552bb

#2552bb
hex#2552bb
rgbrgb(37, 82, 187)
hslhsl(222, 67%, 44%)
oklchoklch(0.473 0.173 263.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1002

Colors that go with #2552bb

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 →

#bb8e25

#259dbb · #4325bb

#bb2552 · #52bb25

Split-complementary

Open in tool →

#bb4325 · #9dbb25

#bb259d · #bb8e25 · #25bb43

Contrast

#2552bb as textRatioAAAA largeAAAFix
Aaon white
6.99:1passpassfail
  • AAA: use #2450b7 as the text (7.23:1)
Aaon black
3:1failpassfail
  • AA: use #4471da as the text (4.62:1)
  • AAA: use #7294e3 as the text (7.06:1)
  • AA: or shift the background to #d1d1d1 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2552bb as the background.

Brands using this color

Fonts for this mood

#2552bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2552bb
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 #2552bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2552bb-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