Color

#668bc7

#668bc7
hex#668bc7
rgbrgb(102, 139, 199)
hslhsl(217, 46%, 59%)
oklchoklch(0.634 0.1 259.8)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2541

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c7a266

#66bbc7 · #7266c7

#c7668b · #8bc766

Split-complementary

Open in tool →

#c77266 · #bbc766

#c766bb · #c7a266 · #66c772

Contrast

#668bc7 as textRatioAAAA largeAAAFix
Aaon white
3.45:1failpassfail
  • AA: use #4975bc as the text (4.61:1)
  • AAA: use #365991 as the text (7.01:1)
  • AA: or shift the background to #212121 (4.66:1)
Aaon black
6.08:1passpassfail
  • AAA: use #7597cc as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668bc7 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

#668bc7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #668bc7
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 #668bc7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668bc7-9ca7c4-df624e-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