Color

#686acf

#686acf
hex#686acf
rgbrgb(104, 106, 207)
hslhsl(239, 52%, 61%)
oklchoklch(0.572 0.152 279.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1776

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfce68

#689dcf · #9a68cf

#cf686a · #6acf68

Split-complementary

Open in tool →

#cf9a68 · #9dcf68

#cf689d · #cfce68 · #68cf9a

Contrast

#686acf as textRatioAAAA largeAAAFix
Aaon white
4.61:1passpassfail
  • AAA: use #4547c4 as the text (7.12:1)
Aaon black
4.55:1passpassfail
  • AAA: use #8f90dc as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #686acf as the background.

Brands using this color

Fonts for this mood

#686acf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #686acf
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 #686acf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/686acf-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