Color

#688fdf

#688fdf
hex#688fdf
rgbrgb(104, 143, 223)
hslhsl(220, 65%, 64%)
oklchoklch(0.657 0.128 263.6)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2792

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfb768

#68cbdf · #7b68df

#df688f · #8fdf68

Split-complementary

Open in tool →

#df7b68 · #cbdf68

#df68cb · #dfb768 · #68df7b

Contrast

#688fdf as textRatioAAAA largeAAAFix
Aaon white
3.19:1failpassfail
  • AA: use #4273d7 as the text (4.5:1)
  • AAA: use #2554b1 as the text (7.04:1)
  • AA: or shift the background to #292929 (4.56:1)
Aaon black
6.58:1passpassfail
  • AAA: use #7096e1 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #688fdf 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

#688fdf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #688fdf
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 #688fdf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/688fdf-9ca5c4-df694e-211f2d-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