Color

#3ea3cc

#3ea3cc
hex#3ea3cc
rgbrgb(62, 163, 204)
hslhsl(197, 58%, 52%)
oklchoklch(0.674 0.11 228.8)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3158

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc663e

#3eccad · #3e5ccc

#cc3ea3 · #a3cc3e

Split-complementary

Open in tool →

#cc3e5c · #ccad3e

#ad3ecc · #cc663e · #5ccc3e

Contrast

#3ea3cc as textRatioAAAA largeAAAFix
Aaon white
2.87:1failfailfail
  • AA: use #2a7c9d as the text (4.7:1)
  • AAA: use #1f5d75 as the text (7.29:1)
  • AA: or shift the background to #303030 (4.6:1)
  • AAA: or shift the background to #050505 (7.1:1)
Aaon black
7.32:1passpasspassPasses 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 #3ea3cc 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

#3ea3cc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ea3cc
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 #3ea3cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ea3cc-9cb4c4-df4e6b-1f232d-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