Color

#635dbb

#635dbb
hex#635dbb
rgbrgb(99, 93, 187)
hslhsl(244, 41%, 55%)
oklchoklch(0.531 0.143 283.3)
Closest name: slateblue (#6a5acd)Relative luminance 0.1407

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b5bb5d

#5d86bb · #935dbb

#bb635d · #5dbb63

Split-complementary

Open in tool →

#bb935d · #86bb5d

#bb5d86 · #b5bb5d · #5dbb93

Contrast

#635dbb as textRatioAAAA largeAAAFix
Aaon white
5.51:1passpassfail
  • AAA: use #514ab0 as the text (7.1:1)
Aaon black
3.81:1failpassfail
  • AA: use #716cc1 as the text (4.62:1)
  • AAA: use #9490d0 as the text (7.16:1)
  • AA: or shift the background to #ebebeb (4.62:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/635dbb-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