Color

#3addfd

#3addfd
hex#3addfd
rgbrgb(58, 221, 253)
hslhsl(190, 98%, 61%)
oklchoklch(0.83 0.135 214.5)
Closest name: Aqua (#0ff0fe)Relative luminance 0.597

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd5b3a

#3afdbc · #3a7bfd

#fd3add · #ddfd3a

Split-complementary

Open in tool →

#fd3a7b · #fdbc3a

#bc3afd · #fd5b3a · #7bfd3a

Contrast

#3addfd as textRatioAAAA largeAAAFix
Aaon white
1.62:1failfailfail
  • AA: use #027e97 as the text (4.74:1)
  • AAA: use #016174 as the text (7.09:1)
  • AA: or shift the background to #545454 (4.67:1)
  • AAA: or shift the background to #383838 (7.23:1)
Aaon black
12.94:1passpasspassPasses 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 #3addfd 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

#3addfd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3addfd
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 #3addfd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3addfd-a2b6be-df4e7c-1f252d-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