Color

#668fff

#668fff
hex#668fff
rgbrgb(102, 143, 255)
hslhsl(224, 100%, 70%)
oklchoklch(0.674 0.172 266.7)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2969

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffd666

#66dbff · #8a66ff

#ff668f · #8fff66

Split-complementary

Open in tool →

#ff8a66 · #dbff66

#ff66db · #ffd666 · #66ff8a

Contrast

#668fff as textRatioAAAA largeAAAFix
Aaon white
3.03:1failpassfail
  • AA: use #3369ff as the text (4.56:1)
  • AAA: use #0040f0 as the text (7.02:1)
  • AA: or shift the background to #2b2b2b (4.68:1)
Aaon black
6.94:1passpassfail
  • AAA: use #6b93ff as the text (7.24:1)

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

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

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

tool url/palettes/new/668fff-9ca2c4-df724e-221f2d-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