Color

#6567cd

#6567cd
hex#6567cd
rgbrgb(101, 103, 205)
hslhsl(239, 51%, 60%)
oklchoklch(0.563 0.154 279.4)
Closest name: slateblue (#6a5acd)Relative luminance 0.1687

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cdcb65

#659bcd · #9765cd

#cd6567 · #67cd65

Split-complementary

Open in tool →

#cd9765 · #9bcd65

#cd659b · #cdcb65 · #65cd97

Contrast

#6567cd as textRatioAAAA largeAAAFix
Aaon white
4.8:1passpassfail
  • AAA: use #4648c3 as the text (7.06:1)
Aaon black
4.37:1failpassfail
  • AA: use #696bce as the text (4.59:1)
  • AAA: use #8f91db as the text (7.24:1)
  • AA: or shift the background to #fafafa (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6567cd as the background.

Brands using this color

Fonts for this mood

#6567cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6567cd
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 #6567cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6567cd-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