Color

#688cd4

#688cd4
hex#688cd4
rgbrgb(104, 140, 212)
hslhsl(220, 56%, 62%)
oklchoklch(0.644 0.116 263.3)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2645

Colors that go with #688cd4

Charcoal, Amber and Midnight Blue 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 →

#d4b068

#68c2d4 · #7a68d4

#d4688c · #8cd468

Split-complementary

Open in tool →

#d47a68 · #c2d468

#d468c2 · #d4b068 · #68d47a

Contrast

#688cd4 as textRatioAAAA largeAAAFix
Aaon white
3.34:1failpassfail
  • AA: use #4874cb as the text (4.53:1)
  • AAA: use #2e55a3 as the text (7.13:1)
  • AA: or shift the background to #262626 (4.53:1)
Aaon black
6.29:1passpassfail
  • AAA: use #7495d8 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #688cd4 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

#688cd4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #688cd4
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 #688cd4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/688cd4-9ca5c4-df694e-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