Color

#668df0

#668df0
hex#668df0
rgbrgb(102, 141, 240)
hslhsl(223, 82%, 67%)
oklchoklch(0.661 0.154 266.1)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2817

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f0c966

#66d2f0 · #8466f0

#f0668d · #8df066

Split-complementary

Open in tool →

#f08466 · #d2f066

#f066d2 · #f0c966 · #66f084

Contrast

#668df0 as textRatioAAAA largeAAAFix
Aaon white
3.17:1failpassfail
  • AA: use #3c6eec as the text (4.53:1)
  • AAA: use #154ad1 as the text (7.16:1)
  • AA: or shift the background to #292929 (4.6:1)
Aaon black
6.63:1passpassfail
  • AAA: use #6f94f1 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668df0 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

#668df0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #668df0
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 #668df0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668df0-9ca3c4-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