Color

#0548bd

#0548bd
hex#0548bd
rgbrgb(5, 72, 189)
hslhsl(218, 95%, 38%)
oklchoklch(0.447 0.194 261.5)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0834

Colors that go with #0548bd

Charcoal, Crimson 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 →

#bd7905

#05a4bd · #1d05bd

#bd0548 · #48bd05

Split-complementary

Open in tool →

#bd1d05 · #a4bd05

#bd05a4 · #bd7905 · #05bd1d

Contrast

#0548bd as textRatioAAAA largeAAAFix
Aaon white
7.87:1passpasspassPasses AAA — no fix needed.
Aaon black
2.67:1failfailfail
  • AA: use #1a6cf9 as the text (4.56:1)
  • AAA: use #5b96fb as the text (7.2:1)
  • AA: or shift the background to #c4c4c4 (4.51:1)
  • AAA: or shift the background to #f2f2f2 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0548bd as the background.

Brands using this color

Fonts for this mood

#0548bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0548bd
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 #0548bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0548bd-9ca6c4-df644e-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