Color

#635eb5

#635eb5
hex#635eb5
rgbrgb(99, 94, 181)
hslhsl(243, 37%, 54%)
oklchoklch(0.529 0.133 283.5)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1399

Colors that go with #635eb5

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 →

#b1b55e

#5e85b5 · #8e5eb5

#b5635e · #5eb563

Split-complementary

Open in tool →

#b58e5e · #85b55e

#b55e85 · #b1b55e · #5eb58e

Contrast

#635eb5 as textRatioAAAA largeAAAFix
Aaon white
5.53:1passpassfail
  • AAA: use #524da8 as the text (7.03:1)
Aaon black
3.8:1failpassfail
  • AA: use #706cbc as the text (4.56:1)
  • AAA: use #928fcc as the text (7.02:1)
  • AA: or shift the background to #e8e8e8 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #635eb5 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

#635eb5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #635eb5
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 #635eb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/635eb5-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