Color

#59bdf3

#59bdf3
hex#59bdf3
rgbrgb(89, 189, 243)
hslhsl(201, 87%, 65%)
oklchoklch(0.76 0.121 235.1)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.4499

Colors that go with #59bdf3

Charcoal, Dark Orange 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f38e58

#58f3dc · #586ff3

#f358bd · #bdf358

Split-complementary

Open in tool →

#f3586f · #f3dc58

#dc58f3 · #f38e58 · #6ff358

Contrast

#59bdf3 as textRatioAAAA largeAAAFix
Aaon white
2.1:1failfailfail
  • AA: use #0d7dba as the text (4.51:1)
  • AAA: use #0a5d8a as the text (7.13:1)
  • AA: or shift the background to #454545 (4.56:1)
  • AAA: or shift the background to #262626 (7.21:1)
Aaon black
10:1passpasspassPasses 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 #59bdf3 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#59bdf3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #59bdf3
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 #59bdf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59bdf3-9cb1c4-df4e62-1f222d-e9f1f0?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