Color

#635dda

#635dda
hex#635dda
rgbrgb(99, 93, 218)
hslhsl(243, 63%, 61%)
oklchoklch(0.553 0.185 280.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1554

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#d4da5d

#5d95da · #a25dda

#da635d · #5dda63

Split-complementary

Open in tool →

#daa25d · #95da5d

#da5d95 · #d4da5d · #5ddaa2

Contrast

#635dda as textRatioAAAA largeAAAFix
Aaon white
5.11:1passpassfail
  • AAA: use #4740d4 as the text (7.11:1)
Aaon black
4.11:1failpassfail
  • AA: use #6b65dc as the text (4.52:1)
  • AAA: use #938fe6 as the text (7.31:1)
  • 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 #635dda as the background.

Brands using this color

Fonts for this mood

#635dda reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #635dda
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #635dda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/635dda-a39cc4-dfa04e-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