Color

#5f73ce

#5f73ce
hex#5f73ce
rgbrgb(95, 115, 206)
hslhsl(229, 53%, 59%)
oklchoklch(0.583 0.141 272)
Closest name: Flood (#6677bb)Relative luminance 0.1915

Colors that go with #5f73ce

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 →

#ceba5f

#5fabce · #825fce

#ce5f73 · #73ce5f

Split-complementary

Open in tool →

#ce825f · #abce5f

#ce5fab · #ceba5f · #5fce82

Contrast

#5f73ce as textRatioAAAA largeAAAFix
Aaon white
4.35:1failpassfail
  • AA: use #5b70cd as the text (4.52:1)
  • AAA: use #3850b7 as the text (7:1)
  • AA: or shift the background to #0a0a0a (4.55:1)
Aaon black
4.83:1passpassfail
  • AAA: use #8292d9 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5f73ce as the background.

Brands using this color

Fonts for this mood

#5f73ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5f73ce
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 #5f73ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5f73ce-9c9fc4-df7e4e-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