Color

#838391

#838391
hex#838391
rgbrgb(131, 131, 145)
hslhsl(240, 6%, 54%)
oklchoklch(0.615 0.021 285.8)
Closest name: Aluminium (#848789)Relative luminance 0.231

Tints & shades

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

Harmonies

Complementary

Open in tool →

#919183

#838a91 · #8a8391

#918383 · #839183

Split-complementary

Open in tool →

#918a83 · #8a9183

#91838a · #919183 · #83918a

Contrast

#838391 as textRatioAAAA largeAAAFix
Aaon white
3.74:1failpassfail
  • AA: use #757584 as the text (4.53:1)
  • AAA: use #565661 as the text (7.24:1)
  • AA: or shift the background to #1c1c1c (4.56:1)
Aaon black
5.62:1passpassfail
  • AAA: use #9696a2 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #838391 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

#838391 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #838391
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 #838391 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/838391-a2beb0-c859d4-1f2d2b-eaf1e9?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