Color

#0473cd

#0473cd
hex#0473cd
rgbrgb(4, 115, 205)
hslhsl(207, 96%, 41%)
oklchoklch(0.552 0.163 251.9)
Closest name: Campanula (#3473b7)Relative luminance 0.167

Colors that go with #0473cd

Charcoal, Crimson and Sienna 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 →

#cd5f04

#04cdc3 · #040ecd

#cd0473 · #73cd04

Split-complementary

Open in tool →

#cd040e · #cdc304

#c304cd · #cd5f04 · #0ecd04

Contrast

#0473cd as textRatioAAAA largeAAAFix
Aaon white
4.84:1passpassfail
  • AAA: use #0359a0 as the text (7.14:1)
Aaon black
4.34:1failpassfail
  • AA: use #0478d7 as the text (4.67:1)
  • AAA: use #239afb as the text (7.09:1)
  • AA: or shift the background to #f7f7f7 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0473cd as the background.

Brands using this color

Fonts for this mood

#0473cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0473cd
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 #0473cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0473cd-9cadc4-df4e53-1f212d-e9f1f1?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