Color

#df0135

#df0135
hex#df0135
rgbrgb(223, 1, 53)
hslhsl(346, 99%, 44%)
oklchoklch(0.571 0.23 21.3)
Closest name: crimson (#dc143c)Relative luminance 0.1597

Tints & shades

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

Harmonies

Complementary

Open in tool →

#01dfab

#df01a4 · #df3c01

#35df01 · #0135df

Split-complementary

Open in tool →

#01df3c · #01a4df

#a4df01 · #01dfab · #3c01df

Contrast

#df0135 as textRatioAAAA largeAAAFix
Aaon white
5.01:1passpassfail
  • AAA: use #b2012a as the text (7.17:1)
Aaon black
4.19:1failpassfail
  • AA: use #e90137 as the text (4.52:1)
  • AAA: use #fe5d82 as the text (7.1:1)
  • AA: or shift the background to #f5f5f5 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #df0135 as the background.

Brands using this color

Fonts for this mood

#df0135 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #df0135
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 #df0135 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/df0135-c49ca1-62cb80-2d221f-f1e9ef?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