Color

#0580bd

#0580bd
hex#0580bd
rgbrgb(5, 128, 189)
hslhsl(200, 95%, 38%)
oklchoklch(0.573 0.131 240.4)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1914

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd4205

#05bd9e · #0524bd

#bd0580 · #80bd05

Split-complementary

Open in tool →

#bd0524 · #bd9e05

#9e05bd · #bd4205 · #24bd05

Contrast

#0580bd as textRatioAAAA largeAAAFix
Aaon white
4.35:1failpassfail
  • AA: use #057cb8 as the text (4.58:1)
  • AAA: use #045e8b as the text (7.05:1)
  • AA: or shift the background to #0a0a0a (4.55:1)
Aaon black
4.83:1passpassfail
  • AAA: use #069eea as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0580bd 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

#0580bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0580bd
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 #0580bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0580bd-9cb2c4-df4e64-1f232d-e9f1f0?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