Color

#58b4bb

#58b4bb
hex#58b4bb
rgbrgb(88, 180, 187)
hslhsl(184, 42%, 54%)
oklchoklch(0.717 0.088 202)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3831

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb5f58

#58bb90 · #5883bb

#bb58b4 · #b4bb58

Split-complementary

Open in tool →

#bb5883 · #bb9058

#9058bb · #bb5f58 · #83bb58

Contrast

#58b4bb as textRatioAAAA largeAAAFix
Aaon white
2.42:1failfailfail
  • AA: use #378186 as the text (4.52:1)
  • AAA: use #296165 as the text (7.02:1)
  • AA: or shift the background to #3b3b3b (4.62:1)
  • AAA: or shift the background to #1c1c1c (7.03:1)
Aaon black
8.66:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #58b4bb 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

#58b4bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #58b4bb
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 #58b4bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/58b4bb-a2b9be-df4e8a-1f262d-e9f1ee?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