Color

#30e4f8

#30e4f8
hex#30e4f8
rgbrgb(48, 228, 248)
hslhsl(186, 93%, 58%)
oklchoklch(0.843 0.137 206.7)
Closest name: Aqua (#0ff0fe)Relative luminance 0.6289

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f84430

#30f8a8 · #3080f8

#f830e4 · #e4f830

Split-complementary

Open in tool →

#f83080 · #f8a830

#a830f8 · #f84430 · #80f830

Contrast

#30e4f8 as textRatioAAAA largeAAAFix
Aaon white
1.55:1failfailfail
  • AA: use #05818f as the text (4.62:1)
  • AAA: use #04626c as the text (7.07:1)
  • AA: or shift the background to #595959 (4.53:1)
  • AAA: or shift the background to #3d3d3d (7.02:1)
Aaon black
13.58:1passpasspassPasses 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 #30e4f8 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

#30e4f8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30e4f8
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 #30e4f8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30e4f8-a2b8be-df4e86-1f262d-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