Color

#635bbe

#635bbe
hex#635bbe
rgbrgb(99, 91, 190)
hslhsl(245, 43%, 55%)
oklchoklch(0.529 0.15 283.7)
Closest name: slateblue (#6a5acd)Relative luminance 0.1385

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b5be5b

#5b84be · #945bbe

#be635b · #5bbe63

Split-complementary

Open in tool →

#be945b · #84be5b

#be5b84 · #b5be5b · #5bbe94

Contrast

#635bbe as textRatioAAAA largeAAAFix
Aaon white
5.57:1passpassfail
  • AAA: use #5249b6 as the text (7.03:1)
Aaon black
3.77:1failpassfail
  • AA: use #7169c3 as the text (4.51:1)
  • AAA: use #948ed2 as the text (7.06:1)
  • AA: or shift the background to #e8e8e8 (4.55:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/635bbe-a49cc4-dfa54e-261f2d-e9ecf1?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