Color

#5c73eb

#5c73eb
hex#5c73eb
rgbrgb(92, 115, 235)
hslhsl(230, 78%, 64%)
oklchoklch(0.6 0.182 271.7)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2053

Colors that go with #5c73eb

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 →

#ebd35c

#5cbbeb · #8b5ceb

#eb5c73 · #73eb5c

Split-complementary

Open in tool →

#eb8b5c · #bbeb5c

#eb5cbb · #ebd35c · #5ceb8b

Contrast

#5c73eb as textRatioAAAA largeAAAFix
Aaon white
4.11:1failpassfail
  • AA: use #4e68e9 as the text (4.69:1)
  • AAA: use #2141e4 as the text (7.14:1)
  • AA: or shift the background to #121212 (4.56:1)
Aaon black
5.11:1passpassfail
  • AAA: use #7b8fef as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5c73eb as the background.

Brands using this color

Fonts for this mood

#5c73eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5c73eb
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 #5c73eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5c73eb-9c9ec4-df814e-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