Color

#3642f2

#3642f2
hex#3642f2
rgbrgb(54, 66, 242)
hslhsl(236, 88%, 58%)
oklchoklch(0.503 0.255 270.1)
Closest name: C64 Blue (#003aff)Relative luminance 0.1109

Colors that go with #3642f2

Charcoal, Crimson and Sea Green 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 →

#f2e636

#36a0f2 · #8736f2

#f23642 · #42f236

Split-complementary

Open in tool →

#f28736 · #a0f236

#f236a0 · #f2e636 · #36f287

Contrast

#3642f2 as textRatioAAAA largeAAAFix
Aaon white
6.53:1passpassfail
  • AAA: use #2c39f2 as the text (7.06:1)
Aaon black
3.22:1failpassfail
  • AA: use #5c66f5 as the text (4.67:1)
  • AAA: use #878ff7 as the text (7.3:1)
  • AA: or shift the background to #d9d9d9 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3642f2 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

#3642f2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3642f2
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 #3642f2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3642f2-9e9cc4-df8f4e-241f2d-e9eef1?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