Color

#3ea5ea

#3ea5ea
hex#3ea5ea
rgbrgb(62, 165, 234)
hslhsl(204, 80%, 58%)
oklchoklch(0.693 0.138 242.2)
Closest name: Cerulean (#55aaee)Relative luminance 0.3387

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ea833e

#3eead8 · #3e4fea

#ea3ea5 · #a5ea3e

Split-complementary

Open in tool →

#ea3e4f · #ead83e

#d83eea · #ea833e · #4fea3e

Contrast

#3ea5ea as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #1579bc as the text (4.67:1)
  • AAA: use #105c8e as the text (7.13:1)
  • AA: or shift the background to #333333 (4.68:1)
  • AAA: or shift the background to #0f0f0f (7.1:1)
Aaon black
7.77:1passpasspassPasses 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 #3ea5ea 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

#3ea5ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ea5ea
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 #3ea5ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ea5ea-9cafc4-df4e5a-1f222d-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