Color

#59a8ee

#59a8ee
hex#59a8ee
rgbrgb(89, 168, 238)
hslhsl(208, 81%, 64%)
oklchoklch(0.711 0.129 247.5)
Closest name: Cerulean (#55aaee)Relative luminance 0.363

Colors that go with #59a8ee

Charcoal, Peru 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 →

#ee9e59

#59eee9 · #595eee

#ee59a8 · #a8ee59

Split-complementary

Open in tool →

#ee595e · #eee959

#e959ee · #ee9e59 · #5eee59

Contrast

#59a8ee as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #1576cb as the text (4.68:1)
  • AAA: use #105998 as the text (7.23:1)
  • AA: or shift the background to #383838 (4.61:1)
  • AAA: or shift the background to #171717 (7.05:1)
Aaon black
8.26:1passpasspassPasses 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 #59a8ee 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

#59a8ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #59a8ee
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 #59a8ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59a8ee-9cadc4-df4e51-1f212d-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