Color

#30e5fd

#30e5fd
hex#30e5fd
rgbrgb(48, 229, 253)
hslhsl(187, 98%, 59%)
oklchoklch(0.847 0.138 209)
Closest name: Aqua (#0ff0fe)Relative luminance 0.6376

Colors that go with #30e5fd

Charcoal, Deep Sky Blue and Dodger 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.

Real palettes that use #30e5fd

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#fd4830

#30fdae · #307ffd

#fd30e5 · #e5fd30

Split-complementary

Open in tool →

#fd307f · #fdae30

#ae30fd · #fd4830 · #7ffd30

Contrast

#30e5fd as textRatioAAAA largeAAAFix
Aaon white
1.53:1failfailfail
  • AA: use #018292 as the text (4.56:1)
  • AAA: use #01626f as the text (7.05:1)
  • AA: or shift the background to #595959 (4.59:1)
  • AAA: or shift the background to #3d3d3d (7.11:1)
Aaon black
13.75:1passpasspassPasses 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 #30e5fd 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

#30e5fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30e5fd
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 #30e5fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30e5fd-a2b8be-df4e83-1f262d-e9f1ee?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