Color

#6581bd

#6581bd
hex#6581bd
rgbrgb(101, 129, 189)
hslhsl(221, 40%, 57%)
oklchoklch(0.607 0.097 264.6)
Closest name: Flood (#6677bb)Relative luminance 0.2214

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bda165

#65adbd · #7665bd

#bd6581 · #81bd65

Split-complementary

Open in tool →

#bd7665 · #adbd65

#bd65ad · #bda165 · #65bd76

Contrast

#6581bd as textRatioAAAA largeAAAFix
Aaon white
3.87:1failpassfail
  • AA: use #5473b6 as the text (4.66:1)
  • AAA: use #3d578f as the text (7.1:1)
  • AA: or shift the background to #171717 (4.63:1)
Aaon black
5.43:1passpassfail
  • AAA: use #7e96c8 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6581bd 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

#6581bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6581bd
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 #6581bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6581bd-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