Color

#6584cd

#6584cd
hex#6584cd
rgbrgb(101, 132, 205)
hslhsl(222, 51%, 60%)
oklchoklch(0.622 0.116 265.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2368

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cdae65

#65b8cd · #7a65cd

#cd6584 · #84cd65

Split-complementary

Open in tool →

#cd7a65 · #b8cd65

#cd65b8 · #cdae65 · #65cd7a

Contrast

#6584cd as textRatioAAAA largeAAAFix
Aaon white
3.66:1failpassfail
  • AA: use #4e72c6 as the text (4.62:1)
  • AAA: use #3455a2 as the text (7.08:1)
  • AA: or shift the background to #1f1f1f (4.5:1)
Aaon black
5.74:1passpassfail
  • AAA: use #7c97d5 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6584cd 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

#6584cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6584cd
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 #6584cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6584cd-9ca3c4-df6e4e-211f2d-e9eff1?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