Color

#4c73c8

#4c73c8
hex#4c73c8
rgbrgb(76, 115, 200)
hslhsl(221, 53%, 54%)
oklchoklch(0.569 0.139 264)
Closest name: Campanula (#3473b7)Relative luminance 0.1797

Colors that go with #4c73c8

Charcoal, Sea Green and Amber 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 →

#c8a04c

#4cb1c8 · #624cc8

#c84c73 · #73c84c

Split-complementary

Open in tool →

#c8624c · #b1c84c

#c84cb1 · #c8a04c · #4cc862

Contrast

#4c73c8 as textRatioAAAA largeAAAFix
Aaon white
4.57:1passpassfail
  • AAA: use #3154a0 as the text (7.23:1)
Aaon black
4.59:1passpassfail
  • AAA: use #7a97d6 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c73c8 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

#4c73c8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c73c8
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 #4c73c8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c73c8-9ca4c4-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