Color

#6365d4

#6365d4
hex#6365d4
rgbrgb(99, 101, 212)
hslhsl(239, 57%, 61%)
oklchoklch(0.563 0.167 278.8)
Closest name: slateblue (#6a5acd)Relative luminance 0.1671

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d4d263

#639dd4 · #9a63d4

#d46365 · #65d463

Split-complementary

Open in tool →

#d49a63 · #9dd463

#d4639d · #d4d263 · #63d49a

Contrast

#6365d4 as textRatioAAAA largeAAAFix
Aaon white
4.84:1passpassfail
  • AAA: use #4345cb as the text (7.11:1)
Aaon black
4.34:1failpassfail
  • AA: use #6769d5 as the text (4.56:1)
  • AAA: use #8f90e0 as the text (7.23:1)
  • AA: or shift the background to #f7f7f7 (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 #6365d4 as the background.

Brands using this color

Fonts for this mood

#6365d4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6365d4
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 #6365d4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6365d4-a09cc4-df964e-251f2d-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