Color

#688ea1

#688ea1
hex#688ea1
rgbrgb(104, 142, 161)
hslhsl(200, 23%, 52%)
oklchoklch(0.625 0.051 230.2)
Closest name: Cavolo Nero (#72939e)Relative luminance 0.2486

Colors that go with #688ea1

Charcoal, Copper and Blush Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a17b68

#68a197 · #6872a1

#a1688e · #8ea168

Split-complementary

Open in tool →

#a16872 · #a19768

#9768a1 · #a17b68 · #72a168

Contrast

#688ea1 as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #56798a as the text (4.67:1)
  • AAA: use #415b68 as the text (7.19:1)
  • AA: or shift the background to #212121 (4.58:1)
Aaon black
5.97:1passpassfail
  • AAA: use #789aab as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #688ea1 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 #688ea1
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #688ea1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/688ea1-9cb2c4-df4e64-1f232d-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