Color

#3ca3ec

#3ca3ec
hex#3ca3ec
rgbrgb(60, 163, 236)
hslhsl(205, 82%, 58%)
oklchoklch(0.689 0.142 243.8)
Closest name: Cerulean (#55aaee)Relative luminance 0.3321

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ec853c

#3cecdd · #3c4bec

#ec3ca3 · #a3ec3c

Split-complementary

Open in tool →

#ec3c4b · #ecdd3c

#dd3cec · #ec853c · #4bec3c

Contrast

#3ca3ec as textRatioAAAA largeAAAFix
Aaon white
2.75:1failfailfail
  • AA: use #137ac3 as the text (4.57:1)
  • AAA: use #0e5a90 as the text (7.28:1)
  • AA: or shift the background to #333333 (4.6:1)
  • AAA: or shift the background to #0d0d0d (7.07:1)
Aaon black
7.64:1passpasspassPasses 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 #3ca3ec as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#3ca3ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ca3ec
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 #3ca3ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ca3ec-9cafc4-df4e58-1f212d-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