Color

#635cc7

#635cc7
hex#635cc7
rgbrgb(99, 92, 199)
hslhsl(244, 49%, 57%)
oklchoklch(0.537 0.161 282.5)
Closest name: slateblue (#6a5acd)Relative luminance 0.1443

Colors that go with #635cc7

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 →

#c0c75c

#5c8ac7 · #995cc7

#c7635c · #5cc763

Split-complementary

Open in tool →

#c7995c · #8ac75c

#c75c8a · #c0c75c · #5cc799

Contrast

#635cc7 as textRatioAAAA largeAAAFix
Aaon white
5.4:1passpassfail
  • AAA: use #4d45bf as the text (7.19:1)
Aaon black
3.89:1failpassfail
  • AA: use #716bcc as the text (4.68:1)
  • AAA: use #928dd8 as the text (7.02:1)
  • AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #635cc7 as the background.

Brands using this color

Fonts for this mood

#635cc7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #635cc7
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 #635cc7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/635cc7-a39cc4-dfa24e-261f2d-e9edf1?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