Color

#3344ff

#3344ff
hex#3344ff
rgbrgb(51, 68, 255)
hslhsl(235, 100%, 60%)
oklchoklch(0.518 0.269 269)
Closest name: C64 Blue (#003aff)Relative luminance 0.1206

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffee33

#33aaff · #8833ff

#ff3344 · #44ff33

Split-complementary

Open in tool →

#ff8833 · #aaff33

#ff33aa · #ffee33 · #33ff88

Contrast

#3344ff as textRatioAAAA largeAAAFix
Aaon white
6.16:1passpassfail
  • AAA: use #1f31ff as the text (7.14:1)
Aaon black
3.41:1failpassfail
  • AA: use #5765ff as the text (4.71:1)
  • AAA: use #858fff as the text (7.37:1)
  • AA: or shift the background to #dedede (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3344ff 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

#3344ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3344ff
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 #3344ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3344ff-9e9cc4-df8d4e-241f2d-e9eef1?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