Color

#f305ff

#f305ff
hex#f305ff
rgbrgb(243, 5, 255)
hslhsl(297, 100%, 51%)
oklchoklch(0.684 0.318 325.7)
Closest name: fuchsia (#ff00ff)Relative luminance 0.2638

Tints & shades

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

Harmonies

Complementary

Open in tool →

#12ff05

#7605ff · #ff058f

#fff305 · #05fff3

Split-complementary

Open in tool →

#8fff05 · #05ff76

#ff7605 · #12ff05 · #058fff

Contrast

#f305ff as textRatioAAAA largeAAAFix
Aaon white
3.35:1failpassfail
  • AA: use #cb00d6 as the text (4.66:1)
  • AAA: use #9b00a3 as the text (7.19:1)
  • AA: or shift the background to #262626 (4.52:1)
Aaon black
6.28:1passpassfail
  • AAA: use #f642ff as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f305ff 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

#f305ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f305ff
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 #f305ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f305ff-c19fbe-9acb62-2d1f28-ede9f1?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