Color

#668bb7

#668bb7
hex#668bb7
rgbrgb(102, 139, 183)
hslhsl(213, 36%, 56%)
oklchoklch(0.627 0.079 253.3)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2471

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b79366

#66b3b7 · #6a66b7

#b7668b · #8bb766

Split-complementary

Open in tool →

#b76a66 · #b3b766

#b766b3 · #b79366 · #66b76a

Contrast

#668bb7 as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #5078aa as the text (4.56:1)
  • AAA: use #3b587d as the text (7.3:1)
  • AA: or shift the background to #212121 (4.56:1)
Aaon black
5.94:1passpassfail
  • AAA: use #7898bf as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668bb7 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

#668bb7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #668bb7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #668bb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668bb7-9ca9c4-df584e-1f202d-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