Color

#635fd3

#635fd3
hex#635fd3
rgbrgb(99, 95, 211)
hslhsl(242, 57%, 60%)
oklchoklch(0.551 0.173 280.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1554

Colors that go with #635fd3

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 →

#cfd35f

#5f95d3 · #9d5fd3

#d3635f · #5fd363

Split-complementary

Open in tool →

#d39d5f · #95d35f

#d35f95 · #cfd35f · #5fd39d

Contrast

#635fd3 as textRatioAAAA largeAAAFix
Aaon white
5.11:1passpassfail
  • AAA: use #4743cb as the text (7.16:1)
Aaon black
4.11:1failpassfail
  • AA: use #6b67d5 as the text (4.53:1)
  • AAA: use #928fe0 as the text (7.23:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #635fd3 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

#635fd3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #635fd3
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 #635fd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/635fd3-a29cc4-df9e4e-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