Color

#6173cc

#6173cc
hex#6173cc
rgbrgb(97, 115, 204)
hslhsl(230, 51%, 59%)
oklchoklch(0.583 0.138 272.8)
Closest name: Flood (#6677bb)Relative luminance 0.1916

Colors that go with #6173cc

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 →

#ccba61

#61a8cc · #8561cc

#cc6173 · #73cc61

Split-complementary

Open in tool →

#cc8561 · #a8cc61

#cc61a8 · #ccba61 · #61cc85

Contrast

#6173cc as textRatioAAAA largeAAAFix
Aaon white
4.35:1failpassfail
  • AA: use #5d6fcb as the text (4.56:1)
  • AAA: use #3b4fb5 as the text (7.07:1)
  • AA: or shift the background to #0a0a0a (4.56:1)
Aaon black
4.83:1passpassfail
  • AAA: use #8492d7 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6173cc as the background.

Brands using this color

Fonts for this mood

#6173cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6173cc
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 #6173cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6173cc-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