Color

#3eb3da

#3eb3da
hex#3eb3da
rgbrgb(62, 179, 218)
hslhsl(195, 68%, 55%)
oklchoklch(0.718 0.116 224.4)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.3833

Tints & shades

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

Harmonies

Complementary

Open in tool →

#da653e

#3edab3 · #3e65da

#da3eb3 · #b3da3e

Split-complementary

Open in tool →

#da3e65 · #dab33e

#b33eda · #da653e · #65da3e

Contrast

#3eb3da as textRatioAAAA largeAAAFix
Aaon white
2.42:1failfailfail
  • AA: use #1e7e9f as the text (4.63:1)
  • AAA: use #176078 as the text (7.05:1)
  • AA: or shift the background to #3b3b3b (4.62:1)
  • AAA: or shift the background to #1c1c1c (7.03:1)
Aaon black
8.67:1passpasspassPasses 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 #3eb3da 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

#3eb3da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3eb3da
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 #3eb3da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eb3da-9cb5c4-df4e70-1f242d-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