Color

#4c57cd

#4c57cd
hex#4c57cd
rgbrgb(76, 87, 205)
hslhsl(235, 56%, 55%)
oklchoklch(0.516 0.181 274.2)
Closest name: God of Rain (#4466cc)Relative luminance 0.1276

Colors that go with #4c57cd

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 →

#cdc24c

#4c97cd · #824ccd

#cd4c57 · #57cd4c

Split-complementary

Open in tool →

#cd824c · #97cd4c

#cd4c97 · #cdc24c · #4ccd82

Contrast

#4c57cd as textRatioAAAA largeAAAFix
Aaon white
5.91:1passpassfail
  • AAA: use #3c48c8 as the text (7.11:1)
Aaon black
3.55:1failpassfail
  • AA: use #646dd3 as the text (4.67:1)
  • AAA: use #888fdd as the text (7.02:1)
  • AA: or shift the background to #e3e3e3 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c57cd 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

#4c57cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c57cd
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 #4c57cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c57cd-9e9cc4-df8d4e-241f2d-e9eef1?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