Color

#30addf

#30addf
hex#30addf
rgbrgb(48, 173, 223)
hslhsl(197, 73%, 53%)
oklchoklch(0.703 0.127 230.2)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3584

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df6130

#30dfb9 · #3056df

#df30ad · #addf30

Split-complementary

Open in tool →

#df3056 · #dfb930

#b930df · #df6130 · #56df30

Contrast

#30addf as textRatioAAAA largeAAAFix
Aaon white
2.57:1failfailfail
  • AA: use #197ca3 as the text (4.72:1)
  • AAA: use #135e7c as the text (7.19:1)
  • AA: or shift the background to #383838 (4.56:1)
  • AAA: or shift the background to #141414 (7.17:1)
Aaon black
8.17:1passpasspassPasses 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 #30addf 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

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

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

tool url/palettes/new/30addf-9cb4c4-df4e6b-1f232d-e9f1ef?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