Color

#0551c2

#0551c2
hex#0551c2
rgbrgb(5, 81, 194)
hslhsl(216, 95%, 39%)
oklchoklch(0.47 0.189 260.2)
Closest name: Denim (#2243b6)Relative luminance 0.0981

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c27605

#05afc2 · #1805c2

#c20551 · #51c205

Split-complementary

Open in tool →

#c21805 · #afc205

#c205af · #c27605 · #05c218

Contrast

#0551c2 as textRatioAAAA largeAAAFix
Aaon white
7.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.96:1failfailfail
  • AA: use #106df9 as the text (4.58:1)
  • AAA: use #5195fb as the text (7.04:1)
  • AA: or shift the background to #cfcfcf (4.55:1)
  • AAA: or shift the background to #ffffff (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0551c2 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0551c2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0551c2
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 #0551c2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0551c2-9ca7c4-df5f4e-201f2d-e9f0f1?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