Color

#336dff

#336dff
hex#336dff
rgbrgb(51, 109, 255)
hslhsl(223, 100%, 60%)
oklchoklch(0.586 0.226 264.1)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1886

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffc533

#33d3ff · #5f33ff

#ff336d · #6dff33

Split-complementary

Open in tool →

#ff5f33 · #d3ff33

#ff33d3 · #ffc533 · #33ff5f

Contrast

#336dff as textRatioAAAA largeAAAFix
Aaon white
4.4:1failpassfail
  • AA: use #2e69ff as the text (4.58:1)
  • AAA: use #0042eb as the text (7.05:1)
  • AA: or shift the background to #080808 (4.55:1)
Aaon black
4.77:1passpassfail
  • AAA: use #6691ff 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 #336dff as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/336dff-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