Color

#4355cb

#4355cb
hex#4355cb
rgbrgb(67, 85, 203)
hslhsl(232, 57%, 53%)
oklchoklch(0.505 0.183 271.6)
Closest name: God of Rain (#4466cc)Relative luminance 0.12

Colors that go with #4355cb

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 →

#cbb943

#4399cb · #7543cb

#cb4355 · #55cb43

Split-complementary

Open in tool →

#cb7543 · #99cb43

#cb4399 · #cbb943 · #43cb75

Contrast

#4355cb as textRatioAAAA largeAAAFix
Aaon white
6.18:1passpassfail
  • AAA: use #374ac8 as the text (7.06:1)
Aaon black
3.4:1failpassfail
  • AA: use #5f6ed3 as the text (4.66:1)
  • AAA: use #8793de as the text (7.26:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4355cb as the background.

Brands using this color

Fonts for this mood

#4355cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4355cb
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 #4355cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4355cb-9c9dc4-df864e-231f2d-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