Color

#837e91

#837e91
hex#837e91
rgbrgb(131, 126, 145)
hslhsl(256, 8%, 53%)
oklchoklch(0.604 0.029 297.6)
Closest name: Slate Gray (#708090)Relative luminance 0.2179

Colors that go with #837e91

Charcoal, Champagne and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c917e

#7e8291 · #8c7e91

#91837e · #7e9183

Split-complementary

Open in tool →

#918c7e · #82917e

#917e82 · #8c917e · #7e918c

Contrast

#837e91 as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #787387 as the text (4.56:1)
  • AAA: use #5b5766 as the text (7:1)
  • AA: or shift the background to #171717 (4.57:1)
Aaon black
5.36:1passpassfail
  • AAA: use #9894a4 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #837e91 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

#837e91 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #837e91
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #837e91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/837e91-ab9cc4-dfbf4e-291f2d-e9ebf1?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