Color

#668ff0

#668ff0
hex#668ff0
rgbrgb(102, 143, 240)
hslhsl(222, 82%, 67%)
oklchoklch(0.665 0.151 265.3)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2876

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f0c666

#66d4f0 · #8166f0

#f0668f · #8ff066

Split-complementary

Open in tool →

#f08166 · #d4f066

#f066d4 · #f0c666 · #66f081

Contrast

#668ff0 as textRatioAAAA largeAAAFix
Aaon white
3.11:1failpassfail
  • AA: use #376deb as the text (4.62:1)
  • AAA: use #144bcc as the text (7.22:1)
  • AA: or shift the background to #2b2b2b (4.55:1)
Aaon black
6.75:1passpassfail
  • AAA: use #6a93f0 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 #668ff0 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

#668ff0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #668ff0
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 #668ff0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668ff0-9ca3c4-df6e4e-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