Color

#3dbdd6

#3dbdd6
hex#3dbdd6
rgbrgb(61, 189, 214)
hslhsl(190, 65%, 54%)
oklchoklch(0.74 0.114 213.6)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4224

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d6573d

#3dd6a3 · #3d70d6

#d63dbd · #bdd63d

Split-complementary

Open in tool →

#d63d70 · #d6a33d

#a33dd6 · #d6573d · #70d63d

Contrast

#3dbdd6 as textRatioAAAA largeAAAFix
Aaon white
2.22:1failfailfail
  • AA: use #1f8093 as the text (4.6:1)
  • AAA: use #175f6d as the text (7.26:1)
  • AA: or shift the background to #424242 (4.52:1)
  • AAA: or shift the background to #212121 (7.24:1)
Aaon black
9.45:1passpasspassPasses 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 #3dbdd6 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

#3dbdd6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3dbdd6
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 #3dbdd6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dbdd6-a2b6be-df4e7c-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