Color

#58a5fd

#58a5fd
hex#58a5fd
rgbrgb(88, 165, 253)
hslhsl(212, 98%, 67%)
oklchoklch(0.712 0.15 253.3)
Closest name: Cerulean (#55aaee)Relative luminance 0.3608

Colors that go with #58a5fd

Charcoal, Amber and Blue 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 →

#fdb058

#58f8fd · #5e58fd

#fd58a5 · #a5fd58

Split-complementary

Open in tool →

#fd5e58 · #f8fd58

#fd58f8 · #fdb058 · #58fd5e

Contrast

#58a5fd as textRatioAAAA largeAAAFix
Aaon white
2.56:1failfailfail
  • AA: use #0270ed as the text (4.62:1)
  • AAA: use #0253b1 as the text (7.3:1)
  • AA: or shift the background to #383838 (4.59:1)
  • AAA: or shift the background to #171717 (7.01:1)
Aaon black
8.22:1passpasspassPasses 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 #58a5fd as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#58a5fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #58a5fd
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 #58a5fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/58a5fd-9caac4-df564e-1f202d-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