Color

#3dd5ff

#3dd5ff
hex#3dd5ff
rgbrgb(61, 213, 255)
hslhsl(193, 100%, 62%)
oklchoklch(0.813 0.135 221.1)
Closest name: lightskyblue (#87cefa)Relative luminance 0.558

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff673d

#3dffc8 · #3d74ff

#ff3dd5 · #d5ff3d

Split-complementary

Open in tool →

#ff3d74 · #ffc83d

#c83dff · #ff673d · #74ff3d

Contrast

#3dd5ff as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #0080a3 as the text (4.55:1)
  • AAA: use #00607a as the text (7.11:1)
  • AA: or shift the background to #525252 (4.52:1)
  • AAA: or shift the background to #333333 (7.32:1)
Aaon black
12.16:1passpasspassPasses 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 #3dd5ff as the background.

Brands using this color

Fonts for this mood

#3dd5ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3dd5ff
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 #3dd5ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dd5ff-a2b5be-df4e75-1f242d-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