Color

#d42e2b

#d42e2b
hex#d42e2b
rgbrgb(212, 46, 43)
hslhsl(1, 66%, 50%)
oklchoklch(0.569 0.202 27.3)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1613

Colors that go with #d42e2b

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 →

#2bd1d4

#d42b7d · #d4822b

#2bd42e · #2e2bd4

Split-complementary

Open in tool →

#2bd482 · #2b7dd4

#7dd42b · #2bd1d4 · #822bd4

Contrast

#d42e2b as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #a92523 as the text (7.06:1)
Aaon black
4.23:1failpassfail
  • AA: use #d63b38 as the text (4.54:1)
  • AAA: use #e27573 as the text (7.03:1)
  • AA: or shift the background to #f5f5f5 (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 #d42e2b as the background.

Brands using this color

Fonts for this mood

#d42e2b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d42e2b
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 #d42e2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d42e2b-c4a19c-62cb9a-2d261f-f1e9ed?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