Color

#5880bb

#5880bb
hex#5880bb
rgbrgb(88, 128, 187)
hslhsl(216, 42%, 54%)
oklchoklch(0.596 0.101 258)
Closest name: steelblue (#4682b4)Relative luminance 0.211

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb9458

#58b1bb · #6258bb

#bb5880 · #80bb58

Split-complementary

Open in tool →

#bb6258 · #b1bb58

#bb58b1 · #bb9458 · #58bb62

Contrast

#5880bb as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • AA: use #4a75b5 as the text (4.66:1)
  • AAA: use #38598a as the text (7.08:1)
  • AA: or shift the background to #141414 (4.58:1)
Aaon black
5.22:1passpassfail
  • AAA: use #7999c8 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5880bb 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

#5880bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5880bb
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 #5880bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5880bb-9ca7c4-df5f4e-201f2d-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