Color

#688ccf

#688ccf
hex#688ccf
rgbrgb(104, 140, 207)
hslhsl(219, 52%, 61%)
oklchoklch(0.642 0.109 262.2)
Closest name: Blue Jay (#5588dd)Relative luminance 0.262

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfab68

#68c0cf · #7768cf

#cf688c · #8ccf68

Split-complementary

Open in tool →

#cf7768 · #c0cf68

#cf68c0 · #cfab68 · #68cf77

Contrast

#688ccf as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #4974c5 as the text (4.58:1)
  • AAA: use #31569b as the text (7.15:1)
  • AA: or shift the background to #242424 (4.61:1)
Aaon black
6.24:1passpassfail
  • AAA: use #7798d4 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #688ccf 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

#688ccf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #688ccf
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 #688ccf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/688ccf-9ca5c4-df664e-211f2d-e9f0f1?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