Color

#2552b1

#2552b1
hex#2552b1
rgbrgb(37, 82, 177)
hslhsl(221, 65%, 42%)
oklchoklch(0.465 0.16 262.8)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.096

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b18525

#2597b1 · #3f25b1

#b12552 · #52b125

Split-complementary

Open in tool →

#b13f25 · #97b125

#b12597 · #b18525 · #25b13f

Contrast

#2552b1 as textRatioAAAA largeAAAFix
Aaon white
7.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.92:1failfailfail
  • AA: use #4271d7 as the text (4.57:1)
  • AAA: use #7094e1 as the text (7.01:1)
  • AA: or shift the background to #cfcfcf (4.62:1)
  • AAA: or shift the background to #fcfcfc (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2552b1 as the background.

Brands using this color

Fonts for this mood

#2552b1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2552b1
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2552b1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2552b1-9ca4c4-df6b4e-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