Color

#75818a

#75818a
hex#75818a
rgbrgb(117, 129, 138)
hslhsl(206, 8%, 50%)
oklchoklch(0.596 0.02 240.2)
Closest name: slategray (#708090)Relative luminance 0.2132

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a7e75

#758a88 · #75778a

#8a7581 · #818a75

Split-complementary

Open in tool →

#8a7577 · #8a8875

#88758a · #8a7e75 · #778a75

Contrast

#75818a as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #6c777f as the text (4.58:1)
  • AAA: use #525a60 as the text (7.02:1)
  • AA: or shift the background to #141414 (4.62:1)
Aaon black
5.26:1passpassfail
  • AAA: use #8e989f 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 #75818a 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

#75818a reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #75818a
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 #75818a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/75818a-9caec4-df4e56-1f212d-e9f1f1?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