Color

#3dcbeb

#3dcbeb
hex#3dcbeb
rgbrgb(61, 203, 235)
hslhsl(191, 81%, 58%)
oklchoklch(0.781 0.124 216.6)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.497

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb5d3d

#3debb4 · #3d74eb

#eb3dcb · #cbeb3d

Split-complementary

Open in tool →

#eb3d74 · #ebb43d

#b43deb · #eb5d3d · #74eb3d

Contrast

#3dcbeb as textRatioAAAA largeAAAFix
Aaon white
1.92:1failfailfail
  • AA: use #107f98 as the text (4.66:1)
  • AAA: use #0c6073 as the text (7.15:1)
  • AA: or shift the background to #4a4a4a (4.62:1)
  • AAA: or shift the background to #2e2e2e (7.07:1)
Aaon black
10.94:1passpasspassPasses 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 #3dcbeb 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

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

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

tool url/palettes/new/3dcbeb-a2b6be-df4e7a-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