Color

#6358da

#6358da
hex#6358da
rgbrgb(99, 88, 218)
hslhsl(245, 64%, 60%)
oklchoklch(0.544 0.192 281.7)
Closest name: slateblue (#6a5acd)Relative luminance 0.1469

Colors that go with #6358da

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 →

#cfda58

#588eda · #a458da

#da6358 · #58da63

Split-complementary

Open in tool →

#daa458 · #8eda58

#da588e · #cfda58 · #58daa4

Contrast

#6358da as textRatioAAAA largeAAAFix
Aaon white
5.33:1passpassfail
  • AAA: use #4b3fd5 as the text (7.07:1)
Aaon black
3.94:1failpassfail
  • AA: use #6e64dd as the text (4.53:1)
  • AAA: use #958ee6 as the text (7.29:1)
  • AA: or shift the background to #ededed (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6358da 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

#6358da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6358da
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 #6358da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6358da-a49cc4-dfa54e-261f2d-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