Color

#686b87

#686b87
hex#686b87
rgbrgb(104, 107, 135)
hslhsl(234, 13%, 47%)
oklchoklch(0.536 0.044 280)
Closest name: Dark Prince (#6b6c89)Relative luminance 0.1521

Tints & shades

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

Harmonies

Complementary

Open in tool →

#878468

#687b87 · #756887

#87686b · #6b8768

Split-complementary

Open in tool →

#877568 · #7b8768

#87687b · #878468 · #688775

Contrast

#686b87 as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #54576d as the text (7.09:1)
Aaon black
4.04:1failpassfail
  • AA: use #727592 as the text (4.68:1)
  • AAA: use #9294ab as the text (7.05:1)
  • AA: or shift the background to #f0f0f0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #686b87 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #686b87
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 #686b87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/686b87-9d9cc4-df8a4e-241f2d-e9eef1?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