Color

#3c7aec

#3c7aec
hex#3c7aec
rgbrgb(60, 122, 236)
hslhsl(219, 82%, 58%)
oklchoklch(0.6 0.184 261.3)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2094

Colors that go with #3c7aec

Charcoal, Crimson and Copper 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 →

#ecae3c

#3cd1ec · #563cec

#ec3c7a · #7aec3c

Split-complementary

Open in tool →

#ec563c · #d1ec3c

#ec3cd1 · #ecae3c · #3cec56

Contrast

#3c7aec as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #2e70ea as the text (4.54:1)
  • AAA: use #1351c3 as the text (7.02:1)
  • AA: or shift the background to #141414 (4.55:1)
Aaon black
5.19:1passpassfail
  • AAA: use #6696f0 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c7aec 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

#3c7aec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c7aec
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 #3c7aec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c7aec-9ca5c4-df664e-211f2d-e9f0f1?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