Color

#58b9fd

#58b9fd
hex#58b9fd
rgbrgb(88, 185, 253)
hslhsl(205, 98%, 67%)
oklchoklch(0.756 0.134 242.1)
Closest name: Cooler Than Ever (#77bbff)Relative luminance 0.4386

Colors that go with #58b9fd

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 →

#fd9d58

#58fdf0 · #5866fd

#fd58b9 · #b9fd58

Split-complementary

Open in tool →

#fd5866 · #fdf058

#f058fd · #fd9d58 · #66fd58

Contrast

#58b9fd as textRatioAAAA largeAAAFix
Aaon white
2.15:1failfailfail
  • AA: use #0277ca as the text (4.67:1)
  • AAA: use #025997 as the text (7.3:1)
  • AA: or shift the background to #424242 (4.68:1)
  • AAA: or shift the background to #262626 (7.04:1)
Aaon black
9.77:1passpasspassPasses 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 #58b9fd as the background.

Brands using this color

Fonts for this mood

#58b9fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #58b9fd
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 #58b9fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/58b9fd-9cafc4-df4e58-1f212d-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