Color

#808ba3

#808ba3
hex#808ba3
rgbrgb(128, 139, 163)
hslhsl(221, 16%, 57%)
oklchoklch(0.636 0.038 265.8)
Closest name: lightslategray (#778899)Relative luminance 0.257

Colors that go with #808ba3

Charcoal, Copper and Crimson 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 →

#a39880

#809ca3 · #8680a3

#a3808b · #8ba380

Split-complementary

Open in tool →

#a38680 · #9ca380

#a3809c · #a39880 · #80a386

Contrast

#808ba3 as textRatioAAAA largeAAAFix
Aaon white
3.42:1failpassfail
  • AA: use #697691 as the text (4.56:1)
  • AAA: use #4f596d as the text (7.04:1)
  • AA: or shift the background to #242424 (4.54:1)
Aaon black
6.14:1passpassfail
  • AAA: use #8c96ab as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #808ba3 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #808ba3
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 #808ba3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/808ba3-9ca4c4-df6b4e-211f2d-e9eff1?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