Color

#3673ec

#3673ec
hex#3673ec
rgbrgb(54, 115, 236)
hslhsl(220, 83%, 57%)
oklchoklch(0.584 0.194 262.1)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.191

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecb036

#36ceec · #5536ec

#ec3673 · #73ec36

Split-complementary

Open in tool →

#ec5536 · #ceec36

#ec36ce · #ecb036 · #36ec55

Contrast

#3673ec as textRatioAAAA largeAAAFix
Aaon white
4.36:1failpassfail
  • AA: use #3270ec as the text (4.5:1)
  • AAA: use #134fc9 as the text (7.02:1)
  • AA: or shift the background to #0a0a0a (4.54:1)
Aaon black
4.82:1passpassfail
  • AAA: use #6594f1 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3673ec 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

#3673ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3673ec
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 #3673ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3673ec-9ca5c4-df694e-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