Color

#336bfa

#336bfa
hex#336bfa
rgbrgb(51, 107, 250)
hslhsl(223, 95%, 59%)
oklchoklch(0.578 0.222 264.3)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1812

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fac133

#33cffa · #5e33fa

#fa336b · #6bfa33

Split-complementary

Open in tool →

#fa5e33 · #cffa33

#fa33cf · #fac133 · #33fa5e

Contrast

#336bfa as textRatioAAAA largeAAAFix
Aaon white
4.54:1passpassfail
  • AAA: use #0645e5 as the text (7.02:1)
Aaon black
4.62:1passpassfail
  • AAA: use #6a93fb as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #336bfa as the background.

Brands using this color

Fonts for this mood

#336bfa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #336bfa
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 #336bfa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/336bfa-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