Color

#df2a01

#df2a01
hex#df2a01
rgbrgb(223, 42, 1)
hslhsl(11, 99%, 44%)
oklchoklch(0.583 0.218 32.4)
Closest name: Alarm (#ec0003)Relative luminance 0.1735

Colors that go with #df2a01

Charcoal, Royal Blue and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#01b7df

#df0147 · #df9901

#01df2a · #2a01df

Split-complementary

Open in tool →

#01df99 · #0147df

#47df01 · #01b7df · #9901df

Contrast

#df2a01 as textRatioAAAA largeAAAFix
Aaon white
4.7:1passpassfail
  • AAA: use #ad2001 as the text (7.04:1)
Aaon black
4.47:1failpassfail
  • AA: use #e42b01 as the text (4.64:1)
  • AAA: use #fe6543 as the text (7.16:1)
  • AA: or shift the background to #fafafa (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #df2a01 as the background.

Brands using this color

Fonts for this mood

#df2a01 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #df2a01
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #df2a01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/df2a01-c4a89c-62cbab-2d281f-f1e9ec?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