Color

#3db8ff

#3db8ff
hex#3db8ff
rgbrgb(61, 184, 255)
hslhsl(202, 100%, 62%)
oklchoklch(0.747 0.147 239.1)
Closest name: deepskyblue (#00bfff)Relative luminance 0.4249

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff843d

#3dffe5 · #3d57ff

#ff3db8 · #b8ff3d

Split-complementary

Open in tool →

#ff3d57 · #ffe53d

#e53dff · #ff843d · #57ff3d

Contrast

#3db8ff as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #007bc2 as the text (4.55:1)
  • AAA: use #005a8f as the text (7.34:1)
  • AA: or shift the background to #424242 (4.55:1)
  • AAA: or shift the background to #242424 (7.02:1)
Aaon black
9.5:1passpasspassPasses 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 #3db8ff as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#3db8ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3db8ff
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 #3db8ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3db8ff-9cb1c4-df4e5f-1f222d-e9f1f0?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