Color

#604cc2

#604cc2
hex#604cc2
rgbrgb(96, 76, 194)
hslhsl(250, 49%, 53%)
oklchoklch(0.503 0.177 285.9)
Closest name: slateblue (#6a5acd)Relative luminance 0.1155

Colors that go with #604cc2

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 →

#aec24c

#4c74c2 · #9b4cc2

#c2604c · #4cc260

Split-complementary

Open in tool →

#c29b4c · #74c24c

#c24c74 · #aec24c · #4cc29b

Contrast

#604cc2 as textRatioAAAA largeAAAFix
Aaon white
6.34:1passpassfail
  • AAA: use #5641be as the text (7.25:1)
Aaon black
3.31:1failpassfail
  • AA: use #7867cb as the text (4.6:1)
  • AAA: use #9a8dd8 as the text (7.18:1)
  • AA: or shift the background to #dbdbdb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #604cc2 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

#604cc2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #604cc2
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 #604cc2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/604cc2-a79cc4-dfb14e-281f2d-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