Color

#668beb

#668beb
hex#668beb
rgbrgb(102, 139, 235)
hslhsl(223, 77%, 66%)
oklchoklch(0.654 0.149 266.5)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2729

Colors that go with #668beb

Charcoal, Medium Sea Green and Tomato 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 →

#ebc566

#66ceeb · #8266eb

#eb668b · #8beb66

Split-complementary

Open in tool →

#eb8266 · #ceeb66

#eb66ce · #ebc566 · #66eb82

Contrast

#668beb as textRatioAAAA largeAAAFix
Aaon white
3.25:1failpassfail
  • AA: use #3d6de6 as the text (4.64:1)
  • AAA: use #1a4ccb as the text (7.14:1)
  • AA: or shift the background to #262626 (4.65:1)
Aaon black
6.46:1passpassfail
  • AAA: use #7396ed as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668beb 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

#668beb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #668beb
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 #668beb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668beb-9ca3c4-df704e-211f2d-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