Color

#3361fa

#3361fa
hex#3361fa
rgbrgb(51, 97, 250)
hslhsl(226, 95%, 59%)
oklchoklch(0.559 0.233 265.9)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1616

Tints & shades

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

Harmonies

Complementary

Open in tool →

#facb33

#33c5fa · #6833fa

#fa3361 · #61fa33

Split-complementary

Open in tool →

#fa6833 · #c5fa33

#fa33c5 · #facb33 · #33fa68

Contrast

#3361fa as textRatioAAAA largeAAAFix
Aaon white
4.96:1passpassfail
  • AAA: use #063cef as the text (7.24:1)
Aaon black
4.23:1failpassfail
  • AA: use #3d69fa as the text (4.6:1)
  • AAA: use #6f90fb as the text (7.06:1)
  • AA: or shift the background to #f5f5f5 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3361fa as the background.

Brands using this color

Fonts for this mood

#3361fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3361fa
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 #3361fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3361fa-9ca1c4-df774e-221f2d-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