Color

#ff3859

#ff3859
hex#ff3859
rgbrgb(255, 56, 89)
hslhsl(350, 100%, 61%)
oklchoklch(0.657 0.231 18)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2481

Tints & shades

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

Harmonies

Complementary

Open in tool →

#38ffde

#ff38bd · #ff7a38

#59ff38 · #3859ff

Split-complementary

Open in tool →

#38ff7a · #38bdff

#bdff38 · #38ffde · #7a38ff

Contrast

#ff3859 as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #eb0027 as the text (4.6:1)
  • AAA: use #b3001e as the text (7.15:1)
  • AA: or shift the background to #212121 (4.57:1)
Aaon black
5.96:1passpassfail
  • AAA: use #ff5c77 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff3859 as the background.

Brands using this color

Fonts for this mood

#ff3859 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff3859
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 #ff3859 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff3859-c49c9e-62cb87-2d231f-f1e9ee?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