Color

#686dcf

#686dcf
hex#686dcf
rgbrgb(104, 109, 207)
hslhsl(237, 52%, 61%)
oklchoklch(0.578 0.148 278.5)
Closest name: Flood (#6677bb)Relative luminance 0.1839

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfca68

#68a1cf · #9668cf

#cf686d · #6dcf68

Split-complementary

Open in tool →

#cf9668 · #a1cf68

#cf68a1 · #cfca68 · #68cf96

Contrast

#686dcf as textRatioAAAA largeAAAFix
Aaon white
4.49:1failpassfail
  • AA: use #6469ce as the text (4.72:1)
  • AAA: use #4148c3 as the text (7.14:1)
  • AA: or shift the background to #050505 (4.54:1)
Aaon black
4.68:1passpassfail
  • AAA: use #8b8fda as the text (7.04:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/686dcf-9f9cc4-df924e-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