Color

#3adde9

#3adde9
hex#3adde9
rgbrgb(58, 221, 233)
hslhsl(184, 80%, 57%)
oklchoklch(0.822 0.129 202.5)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.585

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e9453a

#3ae99d · #3a86e9

#e93add · #dde93a

Split-complementary

Open in tool →

#e93a86 · #e99d3a

#9d3ae9 · #e9453a · #86e93a

Contrast

#3adde9 as textRatioAAAA largeAAAFix
Aaon white
1.65:1failfailfail
  • AA: use #0f828a as the text (4.58:1)
  • AAA: use #0b5f65 as the text (7.4:1)
  • AA: or shift the background to #545454 (4.58:1)
  • AAA: or shift the background to #383838 (7.09:1)
Aaon black
12.7:1passpasspassPasses 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 #3adde9 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

#3adde9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3adde9
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 #3adde9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3adde9-a2b9be-df4e8a-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