Color

#58b0fe

#58b0fe
hex#58b0fe
rgbrgb(88, 176, 254)
hslhsl(208, 99%, 67%)
oklchoklch(0.736 0.142 247.8)
Closest name: Cerulean (#55aaee)Relative luminance 0.4028

Colors that go with #58b0fe

Charcoal, Goldenrod 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 →

#fea558

#58fef9 · #585dfe

#fe58b0 · #b0fe58

Split-complementary

Open in tool →

#fe585d · #fef958

#f958fe · #fea558 · #5dfe58

Contrast

#58b0fe as textRatioAAAA largeAAAFix
Aaon white
2.32:1failfailfail
  • AA: use #0175da as the text (4.61:1)
  • AAA: use #0157a2 as the text (7.28:1)
  • AA: or shift the background to #3d3d3d (4.68:1)
  • AAA: or shift the background to #1f1f1f (7.11:1)
Aaon black
9.06:1passpasspassPasses 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 #58b0fe as the background.

Brands using this color

Fonts for this mood

#58b0fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #58b0fe
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 #58b0fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/58b0fe-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