Color

#688fca

#688fca
hex#688fca
rgbrgb(104, 143, 202)
hslhsl(216, 48%, 60%)
oklchoklch(0.646 0.099 258.5)
Closest name: Blue Bay (#619ad6)Relative luminance 0.2685

Tints & shades

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

Harmonies

Complementary

Open in tool →

#caa368

#68c0ca · #7268ca

#ca688f · #8fca68

Split-complementary

Open in tool →

#ca7268 · #c0ca68

#ca68c0 · #caa368 · #68ca72

Contrast

#688fca as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #4676be as the text (4.57:1)
  • AAA: use #32588f as the text (7.17:1)
  • AA: or shift the background to #262626 (4.59:1)
Aaon black
6.37:1passpassfail
  • AAA: use #7398ce as the text (7.11:1)

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

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

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

tool url/palettes/new/688fca-9ca7c4-df5f4e-201f2d-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