Color

#4d73cb

#4d73cb
hex#4d73cb
rgbrgb(77, 115, 203)
hslhsl(222, 55%, 55%)
oklchoklch(0.571 0.142 264.7)
Closest name: God of Rain (#4466cc)Relative luminance 0.1815

Colors that go with #4d73cb

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 →

#cba54d

#4db2cb · #664dcb

#cb4d73 · #73cb4d

Split-complementary

Open in tool →

#cb664d · #b2cb4d

#cb4db2 · #cba54d · #4dcb66

Contrast

#4d73cb as textRatioAAAA largeAAAFix
Aaon white
4.54:1passpassfail
  • AAA: use #3054a6 as the text (7.13:1)
Aaon black
4.63:1passpassfail
  • AAA: use #7995d8 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d73cb as the background.

Brands using this color

Fonts for this mood

#4d73cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d73cb
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 #4d73cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d73cb-9ca3c4-df6e4e-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