Color

#635eba

#635eba
hex#635eba
rgbrgb(99, 94, 186)
hslhsl(243, 40%, 55%)
oklchoklch(0.532 0.14 283)
Closest name: slateblue (#6a5acd)Relative luminance 0.142

Colors that go with #635eba

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 →

#b6ba5e

#5e88ba · #915eba

#ba635e · #5eba63

Split-complementary

Open in tool →

#ba915e · #88ba5e

#ba5e88 · #b6ba5e · #5eba91

Contrast

#635eba as textRatioAAAA largeAAAFix
Aaon white
5.47:1passpassfail
  • AAA: use #504baf as the text (7.08:1)
Aaon black
3.84:1failpassfail
  • AA: use #716dc0 as the text (4.65:1)
  • AAA: use #9390d0 as the text (7.14:1)
  • AA: or shift the background to #ebebeb (4.59:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/635eba-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