Color

#688dc4

#688dc4
hex#688dc4
rgbrgb(104, 141, 196)
hslhsl(216, 44%, 59%)
oklchoklch(0.638 0.093 258.1)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2598

Colors that go with #688dc4

Charcoal, Copper and Amber 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.

Real palettes that use #688dc4

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c4a068

#68bbc4 · #7268c4

#c4688d · #8dc468

Split-complementary

Open in tool →

#c47268 · #bbc468

#c468bb · #c4a068 · #68c472

Contrast

#688dc4 as textRatioAAAA largeAAAFix
Aaon white
3.39:1failpassfail
  • AA: use #4b77b9 as the text (4.53:1)
  • AAA: use #36588c as the text (7.16:1)
  • AA: or shift the background to #242424 (4.58:1)
Aaon black
6.2:1passpassfail
  • AAA: use #7798ca as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #688dc4 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

#688dc4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #688dc4
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 #688dc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/688dc4-9ca7c4-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