Color

#604ec6

#604ec6
hex#604ec6
rgbrgb(96, 78, 198)
hslhsl(249, 51%, 54%)
oklchoklch(0.51 0.179 284.9)
Closest name: slateblue (#6a5acd)Relative luminance 0.1201

Colors that go with #604ec6

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 →

#b4c64e

#4e78c6 · #9c4ec6

#c6604e · #4ec660

Split-complementary

Open in tool →

#c69c4e · #78c64e

#c64e78 · #b4c64e · #4ec69c

Contrast

#604ec6 as textRatioAAAA largeAAAFix
Aaon white
6.17:1passpassfail
  • AAA: use #5542c2 as the text (7.13:1)
Aaon black
3.4:1failpassfail
  • AA: use #7869ce as the text (4.71:1)
  • AAA: use #978bda as the text (7.02:1)
  • 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 #604ec6 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

#604ec6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #604ec6
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 #604ec6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/604ec6-a79cc4-dfae4e-271f2d-e9ecf1?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