Color

#59a6ee

#59a6ee
hex#59a6ee
rgbrgb(89, 166, 238)
hslhsl(209, 81%, 64%)
oklchoklch(0.707 0.131 248.7)
Closest name: Cerulean (#55aaee)Relative luminance 0.3557

Colors that go with #59a6ee

Charcoal, Medium Sea Green and Peru 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 →

#eea159

#59eeeb · #595bee

#ee59a6 · #a6ee59

Split-complementary

Open in tool →

#ee595b · #eeeb59

#eb59ee · #eea159 · #5bee59

Contrast

#59a6ee as textRatioAAAA largeAAAFix
Aaon white
2.59:1failfailfail
  • AA: use #1676d0 as the text (4.63:1)
  • AAA: use #10599d as the text (7.15:1)
  • AA: or shift the background to #383838 (4.53:1)
  • AAA: or shift the background to #141414 (7.12:1)
Aaon black
8.11:1passpasspassPasses 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 #59a6ee 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

#59a6ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #59a6ee
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 #59a6ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59a6ee-9cacc4-df4e4e-1f212d-e9f1f1?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