Color

#685bcd

#685bcd
hex#685bcd
rgbrgb(104, 91, 205)
hslhsl(247, 53%, 58%)
oklchoklch(0.544 0.17 284.4)
Closest name: slateblue (#6a5acd)Relative luminance 0.1483

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfcd5b

#5b87cd · #a15bcd

#cd685b · #5bcd68

Split-complementary

Open in tool →

#cda15b · #87cd5b

#cd5b87 · #bfcd5b · #5bcda1

Contrast

#685bcd as textRatioAAAA largeAAAFix
Aaon white
5.29:1passpassfail
  • AAA: use #4f40c4 as the text (7.34:1)
Aaon black
3.97:1failpassfail
  • AA: use #7367d0 as the text (4.58:1)
  • AAA: use #978edc as the text (7.22:1)
  • AA: or shift the background to #ededed (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #685bcd 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

#685bcd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #685bcd
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 #685bcd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/685bcd-a59cc4-dfaa4e-271f2d-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