Color

#da2537

#da2537
hex#da2537
rgbrgb(218, 37, 55)
hslhsl(354, 71%, 50%)
oklchoklch(0.575 0.212 23)
Closest name: Angry Tomato (#d82029)Relative luminance 0.165

Colors that go with #da2537

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 →

#25dac8

#da2592 · #da6d25

#37da25 · #2537da

Split-complementary

Open in tool →

#25da6d · #2592da

#92da25 · #25dac8 · #6d25da

Contrast

#da2537 as textRatioAAAA largeAAAFix
Aaon white
4.88:1passpassfail
  • AAA: use #aa1d2b as the text (7.19:1)
Aaon black
4.3:1failpassfail
  • AA: use #dc2e3f as the text (4.51:1)
  • AAA: use #e7737f as the text (7.16:1)
  • AA: or shift the background to #f7f7f7 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #da2537 as the background.

Brands using this color

Fonts for this mood

#da2537 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #da2537
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 #da2537 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/da2537-c49d9c-62cb8e-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