Color

#6b596e

#6b596e
hex#6b596e
rgbrgb(107, 89, 110)
hslhsl(291, 11%, 39%)
oklchoklch(0.489 0.04 321.5)
Closest name: Plummy (#675a75)Relative luminance 0.114

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c6e59

#60596e · #6e5967

#6e6b59 · #596e6b

Split-complementary

Open in tool →

#676e59 · #596e60

#6e6059 · #5c6e59 · #59676e

Contrast

#6b596e as textRatioAAAA largeAAAFix
Aaon white
6.4:1passpassfail
  • AAA: use #635266 as the text (7.17:1)
Aaon black
3.28:1failpassfail
  • AA: use #846d88 as the text (4.52:1)
  • AAA: use #a391a6 as the text (7.16:1)
  • AA: or shift the background to #d9d9d9 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b596e 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 #6b596e
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 #6b596e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b596e-bf9fc1-a4cb62-2d1f29-ece9f1?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