Color

#688cbb

#688cbb
hex#688cbb
rgbrgb(104, 140, 187)
hslhsl(214, 38%, 57%)
oklchoklch(0.632 0.082 255.4)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2529

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb9768

#68b5bb · #6d68bb

#bb688c · #8cbb68

Split-complementary

Open in tool →

#bb6d68 · #b5bb68

#bb68b5 · #bb9768 · #68bb6d

Contrast

#688cbb as textRatioAAAA largeAAAFix
Aaon white
3.47:1failpassfail
  • AA: use #4d77ac as the text (4.62:1)
  • AAA: use #3a5a82 as the text (7.08:1)
  • AA: or shift the background to #212121 (4.64:1)
Aaon black
6.06:1passpassfail
  • AAA: use #7999c3 as the text (7.16:1)

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

#688cbb reads as cool, modern. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/688cbb-9ca9c4-df5a4e-1f1f2d-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