Color

#635fd8

#635fd8
hex#635fd8
rgbrgb(99, 95, 216)
hslhsl(242, 61%, 61%)
oklchoklch(0.555 0.18 280.2)
Closest name: slateblue (#6a5acd)Relative luminance 0.1579

Colors that go with #635fd8

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 →

#d4d85f

#5f98d8 · #a05fd8

#d8635f · #5fd863

Split-complementary

Open in tool →

#d8a05f · #98d85f

#d85f98 · #d4d85f · #5fd8a0

Contrast

#635fd8 as textRatioAAAA largeAAAFix
Aaon white
5.05:1passpassfail
  • AAA: use #4742d1 as the text (7.08:1)
Aaon black
4.16:1failpassfail
  • AA: use #6b67da as the text (4.58:1)
  • AAA: use #8f8ce3 as the text (7.03:1)
  • AA: or shift the background to #f2f2f2 (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 #635fd8 as the background.

Brands using this color

Fonts for this mood

#635fd8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #635fd8
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 #635fd8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/635fd8-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