Color

#3243fb

#3243fb
hex#3243fb
rgbrgb(50, 67, 251)
hslhsl(235, 96%, 59%)
oklchoklch(0.512 0.266 268.9)
Closest name: C64 Blue (#003aff)Relative luminance 0.1166

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbea32

#32a7fb · #8632fb

#fb3243 · #43fb32

Split-complementary

Open in tool →

#fb8632 · #a7fb32

#fb32a7 · #fbea32 · #32fb86

Contrast

#3243fb as textRatioAAAA largeAAAFix
Aaon white
6.3:1passpassfail
  • AAA: use #2335fb as the text (7.06:1)
Aaon black
3.33:1failpassfail
  • AA: use #5563fc as the text (4.58:1)
  • AAA: use #828cfc as the text (7.11:1)
  • AA: or shift the background to #dbdbdb (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 #3243fb 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

#3243fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3243fb
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 #3243fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3243fb-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