Color

#3de7fa

#3de7fa
hex#3de7fa
rgbrgb(61, 231, 250)
hslhsl(186, 95%, 61%)
oklchoklch(0.853 0.134 206.4)
Closest name: Aqua (#0ff0fe)Relative luminance 0.6505

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa503d

#3dfaae · #3d89fa

#fa3de7 · #e7fa3d

Split-complementary

Open in tool →

#fa3d89 · #faae3d

#ae3dfa · #fa503d · #89fa3d

Contrast

#3de7fa as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #048290 as the text (4.56:1)
  • AAA: use #035e68 as the text (7.49:1)
  • AA: or shift the background to #595959 (4.67:1)
  • AAA: or shift the background to #3d3d3d (7.25:1)
Aaon black
14.01:1passpasspassPasses 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 #3de7fa 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

#3de7fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3de7fa
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 #3de7fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3de7fa-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