Color

#30f3fd

#30f3fd
hex#30f3fd
rgbrgb(48, 243, 253)
hslhsl(183, 98%, 59%)
oklchoklch(0.88 0.143 200.4)
Closest name: Aqua (#0ff0fe)Relative luminance 0.7182

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd3a30

#30fda1 · #308cfd

#fd30f3 · #f3fd30

Split-complementary

Open in tool →

#fd308c · #fda130

#a130fd · #fd3a30 · #8cfd30

Contrast

#30f3fd as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #018288 as the text (4.62:1)
  • AAA: use #016065 as the text (7.34:1)
  • AA: or shift the background to #616161 (4.53:1)
  • AAA: or shift the background to #454545 (7.01:1)
Aaon black
15.36:1passpasspassPasses 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 #30f3fd as the background.

Brands using this color

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

Fonts for this mood

#30f3fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30f3fd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #30f3fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30f3fd-a2b9be-d4598e-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