Color

#059cb3

#059cb3
hex#059cb3
rgbrgb(5, 156, 179)
hslhsl(188, 95%, 36%)
oklchoklch(0.637 0.111 213)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2706

Colors that go with #059cb3

Charcoal, Orange Red and Amber 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.

Real palettes that use #059cb3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b31c05

#05b373 · #0545b3

#b3059c · #9cb305

Split-complementary

Open in tool →

#b30545 · #b37305

#7305b3 · #b31c05 · #45b305

Contrast

#059cb3 as textRatioAAAA largeAAAFix
Aaon white
3.27:1failpassfail
  • AA: use #048295 as the text (4.53:1)
  • AAA: use #035f6d as the text (7.34:1)
  • AA: or shift the background to #262626 (4.62:1)
Aaon black
6.41:1passpassfail
  • AAA: use #05a4bd as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #059cb3 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

#059cb3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #059cb3
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 #059cb3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/059cb3-a2b7be-df4e81-1f252d-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