Color

#58b5ca

#58b5ca
hex#58b5ca
rgbrgb(88, 181, 202)
hslhsl(191, 52%, 57%)
oklchoklch(0.725 0.093 214.6)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3939

Colors that go with #58b5ca

Charcoal, Denim and Dodger Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca6d58

#58caa6 · #587cca

#ca58b5 · #b5ca58

Split-complementary

Open in tool →

#ca587c · #caa658

#a658ca · #ca6d58 · #7cca58

Contrast

#58b5ca as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #2d7d8f as the text (4.73:1)
  • AAA: use #225f6d as the text (7.18:1)
  • AA: or shift the background to #3d3d3d (4.59:1)
  • AAA: or shift the background to #1c1c1c (7.2:1)
Aaon black
8.88:1passpasspassPasses 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 #58b5ca 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

#58b5ca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #58b5ca
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #58b5ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/58b5ca-a2b6be-df4e7a-1f252d-e9f1ef?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