Color

#808ca3

#808ca3
hex#808ca3
rgbrgb(128, 140, 163)
hslhsl(219, 16%, 57%)
oklchoklch(0.638 0.037 263.5)
Closest name: lightslategray (#778899)Relative luminance 0.2599

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a39780

#809ea3 · #8580a3

#a3808c · #8ca380

Split-complementary

Open in tool →

#a38580 · #9ea380

#a3809e · #a39780 · #80a385

Contrast

#808ca3 as textRatioAAAA largeAAAFix
Aaon white
3.39:1failpassfail
  • AA: use #697791 as the text (4.52:1)
  • AAA: use #4d576a as the text (7.27:1)
  • AA: or shift the background to #242424 (4.58:1)
Aaon black
6.2:1passpassfail
  • AAA: use #8c97ab as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #808ca3 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 #808ca3
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 #808ca3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/808ca3-9ca5c4-df664e-211f2d-e9f0f1?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