Color

#688fa1

#688fa1
hex#688fa1
rgbrgb(104, 143, 161)
hslhsl(199, 23%, 52%)
oklchoklch(0.628 0.051 228.2)
Closest name: Cavolo Nero (#72939e)Relative luminance 0.2516

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a17a68

#68a196 · #6873a1

#a1688f · #8fa168

Split-complementary

Open in tool →

#a16873 · #a19668

#9668a1 · #a17a68 · #73a168

Contrast

#688fa1 as textRatioAAAA largeAAAFix
Aaon white
3.48:1failpassfail
  • AA: use #567a8a as the text (4.62:1)
  • AAA: use #415b68 as the text (7.19:1)
  • AA: or shift the background to #212121 (4.63:1)
Aaon black
6.03:1passpassfail
  • AAA: use #789bab as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #688fa1 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #688fa1
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 #688fa1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/688fa1-9cb3c4-df4e66-1f232d-e9f1f0?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