Color

#59bfcf

#59bfcf
hex#59bfcf
rgbrgb(89, 191, 207)
hslhsl(188, 55%, 58%)
oklchoklch(0.75 0.097 209.1)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4389

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf6959

#59cfa4 · #5984cf

#cf59bf · #bfcf59

Split-complementary

Open in tool →

#cf5984 · #cfa459

#a459cf · #cf6959 · #84cf59

Contrast

#59bfcf as textRatioAAAA largeAAAFix
Aaon white
2.15:1failfailfail
  • AA: use #29818e as the text (4.54:1)
  • AAA: use #1f616b as the text (7.05:1)
  • AA: or shift the background to #424242 (4.68:1)
  • AAA: or shift the background to #262626 (7.05:1)
Aaon black
9.78:1passpasspassPasses 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 #59bfcf 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

#59bfcf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #59bfcf
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 #59bfcf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59bfcf-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