Color

#58b2ee

#58b2ee
hex#58b2ee
rgbrgb(88, 178, 238)
hslhsl(204, 82%, 64%)
oklchoklch(0.733 0.123 240.5)
Closest name: Cerulean (#55aaee)Relative luminance 0.4009

Colors that go with #58b2ee

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 →

#ee9458

#58eedf · #5867ee

#ee58b2 · #b2ee58

Split-complementary

Open in tool →

#ee5867 · #eedf58

#df58ee · #ee9458 · #67ee58

Contrast

#58b2ee as textRatioAAAA largeAAAFix
Aaon white
2.33:1failfailfail
  • AA: use #137abe as the text (4.61:1)
  • AAA: use #0e5c90 as the text (7.11:1)
  • AA: or shift the background to #3d3d3d (4.66:1)
  • AAA: or shift the background to #1f1f1f (7.08:1)
Aaon black
9.02:1passpasspassPasses 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 #58b2ee as the background.

Brands using this color

Fonts for this mood

#58b2ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #58b2ee
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 #58b2ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/58b2ee-9cafc4-df4e5a-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