Color

#df012a

#df012a
hex#df012a
rgbrgb(223, 1, 42)
hslhsl(349, 99%, 44%)
oklchoklch(0.57 0.23 23.9)
Closest name: crimson (#dc143c)Relative luminance 0.1588

Tints & shades

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

Harmonies

Complementary

Open in tool →

#01dfb7

#df0199 · #df4701

#2adf01 · #012adf

Split-complementary

Open in tool →

#01df47 · #0199df

#99df01 · #01dfb7 · #4701df

Contrast

#df012a as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #b20121 as the text (7.19:1)
Aaon black
4.18:1failpassfail
  • AA: use #e9012c as the text (4.51:1)
  • AAA: use #fe5d7a as the text (7.06:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #df012a as the background.

Brands using this color

Fonts for this mood

#df012a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #df012a
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 #df012a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/df012a-c49c9f-62cb85-2d231f-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