Color

#688cf8

#688cf8
hex#688cf8
rgbrgb(104, 140, 248)
hslhsl(225, 91%, 69%)
oklchoklch(0.665 0.165 267.9)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2848

Colors that go with #688cf8

Charcoal, Tomato 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f8d468

#68d4f8 · #8c68f8

#f8688c · #8cf868

Split-complementary

Open in tool →

#f88c68 · #d4f868

#f868d4 · #f8d468 · #68f88c

Contrast

#688cf8 as textRatioAAAA largeAAAFix
Aaon white
3.14:1failpassfail
  • AA: use #3c6bf6 as the text (4.54:1)
  • AAA: use #0b41e5 as the text (7.24:1)
  • AA: or shift the background to #2b2b2b (4.51:1)
Aaon black
6.7:1passpassfail
  • AAA: use #7293f8 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #688cf8 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

#688cf8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #688cf8
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 #688cf8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/688cf8-9ca1c4-df754e-221f2d-e9eff1?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