Color

#3ca2e7

#3ca2e7
hex#3ca2e7
rgbrgb(60, 162, 231)
hslhsl(204, 78%, 57%)
oklchoklch(0.684 0.138 242.6)
Closest name: Cerulean (#55aaee)Relative luminance 0.3257

Colors that go with #3ca2e7

Charcoal, Peru and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e7803c

#3ce7d6 · #3c4de7

#e73ca2 · #a2e73c

Split-complementary

Open in tool →

#e73c4d · #e7d63c

#d63ce7 · #e7803c · #4de73c

Contrast

#3ca2e7 as textRatioAAAA largeAAAFix
Aaon white
2.79:1failfailfail
  • AA: use #1779ba as the text (4.69:1)
  • AAA: use #115b8d as the text (7.23:1)
  • AA: or shift the background to #333333 (4.52:1)
  • AAA: or shift the background to #0a0a0a (7.08:1)
Aaon black
7.51:1passpasspassPasses 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 #3ca2e7 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

#3ca2e7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ca2e7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3ca2e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ca2e7-9cafc4-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