Color

#366efc

#366efc
hex#366efc
rgbrgb(54, 110, 252)
hslhsl(223, 97%, 60%)
oklchoklch(0.586 0.22 264.3)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1896

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fcc436

#36d1fc · #6136fc

#fc366e · #6efc36

Split-complementary

Open in tool →

#fc6136 · #d1fc36

#fc36d1 · #fcc436 · #36fc61

Contrast

#366efc as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #316bfc as the text (4.53:1)
  • AAA: use #0444e7 as the text (7.03:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.79:1passpassfail
  • AAA: use #6892fd as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #366efc 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

#366efc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #366efc
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 #366efc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/366efc-9ca3c4-df704e-211f2d-e9eff1?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