Color

#6565fb

#6565fb
hex#6565fb
rgbrgb(101, 101, 251)
hslhsl(240, 95%, 69%)
oklchoklch(0.593 0.218 277.5)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.1904

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbfb65

#65b0fb · #b065fb

#fb6565 · #65fb65

Split-complementary

Open in tool →

#fbb065 · #b0fb65

#fb65b0 · #fbfb65 · #65fbb0

Contrast

#6565fb as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #6060fb as the text (4.6:1)
  • AAA: use #3333fa as the text (7.01:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.81:1passpassfail
  • AAA: use #8d8dfc as the text (7.35:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6565fb as the background.

Brands using this color

Fonts for this mood

#6565fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6565fb
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 #6565fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6565fb-a19cc4-df994e-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