Color

#d02533

#d02533
hex#d02533
rgbrgb(208, 37, 51)
hslhsl(355, 70%, 48%)
oklchoklch(0.556 0.204 23.6)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1497

Colors that go with #d02533

Charcoal, Royal Blue and Steel Blue 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 →

#25d0c2

#d02589 · #d06c25

#33d025 · #2533d0

Split-complementary

Open in tool →

#25d06c · #2589d0

#89d025 · #25d0c2 · #6c25d0

Contrast

#d02533 as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #a91e29 as the text (7.23:1)
Aaon black
3.99:1failpassfail
  • AA: use #db3341 as the text (4.56:1)
  • AAA: use #e7747e as the text (7.2:1)
  • AA: or shift the background to #f0f0f0 (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 #d02533 as the background.

Brands using this color

Fonts for this mood

#d02533 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d02533
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 #d02533 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d02533-c49e9c-62cb8f-2d241f-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